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Leles CR, Curado TFF, Nascimento LN, Silva JR, de Paula MS, McKenna G, Schimmel M. Changes in masticatory performance and bite force after treatment with mandibular overdentures retained by four titanium-zirconium mini implants: One-year randomised clinical trial. J Oral Rehabil 2024; 51:1459-1467. [PMID: 38685704 DOI: 10.1111/joor.13722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/12/2024] [Accepted: 04/19/2024] [Indexed: 05/02/2024]
Abstract
OBJECTIVE This prospective study is part of a randomised clinical trial and reports the changes in masticatory performance (MP) and bite force, and explores their influential factors, 1 year after the provision of mandibular overdentures retained by four titanium-zirconium mini implants. METHODS Edentulous patients received conventional complete dentures, followed by placement of four mini implants (Straumann® Mini Implant System) in the anterior mandible and converting the conventional prosthesis into a mandibular overdenture. Treatment protocols were randomised using a 2×2 factorial design combining different surgical (flapped vs. flapless) and loading (immediate vs. delayed) protocols. MP was assessed using a two-colour mixing ability test and a colorimetric analysis to measure the level of colour mixing (Variance of Hue-VoH). Maximum voluntary bite force (MBF) was measured by a digital gnathodynamometer in the posterior and anterior regions. Sex, age, surgical and loading protocols and ridge morphology were tested as independent variables. MP and MBF tests were performed at baseline (pre-treatment) and the 3-, 6- and 12-month after implant loading. Descriptive statistics, independent t-test, and linear mixed-effect model (LMM) regression were used for data analysis. RESULTS Seventy-four participants were assessed and 73 completed the 1-year follow-up. Statistically significant improvements in functional parameters were observed in all follow-up periods compared to baseline (p < .001). The flapless protocol was associated with higher improvement in MP at the 3-month follow-up (p = .004), while less resorbed ridges were associated with better MP (p = .038) and higher MBF (p < .001). CONCLUSION The mandibular overdenture protocol using four titanium-zirconium mini implants was effective in improving MP and MBF of edentulous patients, compared to pre-treatment values. The findings also suggest that improvements in chewing function and bite force are impacted by clinical factors since better outcomes were observed for flapless surgeries and less resorbed edentulous ridges. CLINICAL TRIAL REGISTRATION ClinicalTrials.Gov ID NCT04760457.
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Affiliation(s)
- Cláudio Rodrigues Leles
- School of Dentistry, Federal University of Goias, Goiania, Brazil
- Division of Gerodontology, Department of Reconstructive Dentistry, School of Dental Medicine of the University of Bern, Bern, Switzerland
| | | | | | | | | | - Gerald McKenna
- Centre for Public Health, Queen's University Belfast, Belfast, UK
| | - Martin Schimmel
- Division of Gerodontology, Department of Reconstructive Dentistry, School of Dental Medicine of the University of Bern, Bern, Switzerland
- Division of Gerodontology and Removable Prosthodontics, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
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Ardila CM, Jiménez-Arbeláez GA, Vivares-Builes AM. Efficacy of wireless sensors in assessing occlusal and bite forces: A systematic review. J Oral Rehabil 2024; 51:1337-1347. [PMID: 38616519 DOI: 10.1111/joor.13700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 04/01/2024] [Accepted: 04/08/2024] [Indexed: 04/16/2024]
Abstract
BACKGROUND The noteworthy correlation between bite force and masticatory performance emphasizes its significance as a meaningful and objective method for assessing oral function. Furthermore, in the study of bruxism, the measurement of intraoral bite force assumes critical importance. Given the importance of assessing occlusal forces and bite force, this systematic review aims to assess the efficacy of wireless sensors in measuring these forces. METHODS The search methodology employed in this systematic review adhered to the guidelines outlined by PRISMA. The strategy involved the exploration of various databases, including PubMed/MEDLINE, SCOPUS and SCIELO. An assessment tool was employed to evaluate the bias risk and study quality. RESULTS This systematic review encompassed six prospective clinical studies involving a total of 89 participants. Wireless sensors for measuring occlusal forces and bite forces were predominantly employed in healthy adults or individuals with bruxism, along with children undergoing orthodontic treatment. All wireless sensors employed in the studies underwent validation and reproducibility assessments, affirming their reliability. The findings indicated that all wireless sensors exhibited efficacy in detecting occlusal forces and bite forces. CONCLUSION Wireless sensors offer real-time monitoring of occlusal and bite forces, aiding in understanding force distribution and identifying bruxism patterns. Despite limited studies on their application, these sensors contribute to evolving insights. Integration into clinical practice requires careful consideration of factors like calibration and patient compliance. Ongoing research is crucial to address limitations and enhance the efficacy of wireless sensors in measuring occlusal and bite forces and managing bruxism.
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Affiliation(s)
- Carlos-M Ardila
- Biomedical Stomatology Research Group, Universidad de Antioquia U de A, Medellín, Colombia
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Pitchika V, Büttner M, Schwendicke F. Artificial intelligence and personalized diagnostics in periodontology: A narrative review. Periodontol 2000 2024. [PMID: 38927004 DOI: 10.1111/prd.12586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 04/29/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024]
Abstract
Periodontal diseases pose a significant global health burden, requiring early detection and personalized treatment approaches. Traditional diagnostic approaches in periodontology often rely on a "one size fits all" approach, which may overlook the unique variations in disease progression and response to treatment among individuals. This narrative review explores the role of artificial intelligence (AI) and personalized diagnostics in periodontology, emphasizing the potential for tailored diagnostic strategies to enhance precision medicine in periodontal care. The review begins by elucidating the limitations of conventional diagnostic techniques. Subsequently, it delves into the application of AI models in analyzing diverse data sets, such as clinical records, imaging, and molecular information, and its role in periodontal training. Furthermore, the review also discusses the role of research community and policymakers in integrating personalized diagnostics in periodontal care. Challenges and ethical considerations associated with adopting AI-based personalized diagnostic tools are also explored, emphasizing the need for transparent algorithms, data safety and privacy, ongoing multidisciplinary collaboration, and patient involvement. In conclusion, this narrative review underscores the transformative potential of AI in advancing periodontal diagnostics toward a personalized paradigm, and their integration into clinical practice holds the promise of ushering in a new era of precision medicine for periodontal care.
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Affiliation(s)
- Vinay Pitchika
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
| | - Martha Büttner
- Department of Oral Diagnostics, Digital Health and Health Services Research, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Falk Schwendicke
- Department of Conservative Dentistry and Periodontology, LMU University Hospital, LMU Munich, Munich, Germany
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Gonçalves TMSV, Bezerra AP, Reginaldo I, Wanghon ZML, Drummond LB, Feldmann A, Philippi AG, Mezzomo LAM. Four-year assessment of masticatory function in mandibular overdenture wearers: A randomised clinical trial comparing two to four implants to retain the prosthesis. J Oral Rehabil 2024. [PMID: 38873742 DOI: 10.1111/joor.13781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 05/25/2024] [Accepted: 06/05/2024] [Indexed: 06/15/2024]
Abstract
BACKGROUND Limited data exist on the mid- to long-term masticatory capacity of mandibular overdenture (IOD) wearers, particularly regarding the use of posterior implants to retention. OBJECTIVES To periodically evaluate mastication of IOD wearers, comparing the effectiveness of two to four implants to retain the prosthesis. METHODS In a randomised controlled clinical trial, 20 complete edentulous patients (14 women), aged 51-84 years (mean age 69.1 ± 9.6), received new bimaxillary complete dentures (CD). After adaptation, baseline measurements of masticatory performance (X50) and swallowing threshold were conducted using the sieving method. Patients were then randomly assigned to groups: control (two intra-foraminal regular implants) and experimental (two intra-foraminal regular implants and two extra-short posterior implants) (n = 10 each). After 4 months, implants were splinted, and a new mandibular IOD was fabricated with bar/clip retention. Mastication was reassessed after 6, 12, and 48 months, and data analysed with repeated measures ANOVA and Sidak's post hoc (α = 0.05). RESULTS Despite a loss of two patients per group, masticatory performance significantly improved after mandibular IOD installation (p = .031) in both groups (p = .670). A second improvement was observed after 6 months (p = .027), with no subsequent changes (p > .05). Swallowing threshold improvements were noted with IOD, and no discernible differences between groups were observed (p > .05). CONCLUSION Masticatory function significantly improved after mandibular IOD installation, with the number of implants demonstrating minimal influence. CLINICAL TRIAL REGISTRATION The present study was not registered in a public database, as mandated. It is important to note that the recommendation for registration was initiated in 2017 by the Committee of Medical Journal Editors, while patient inclusion in the research took place in 2016. Given that the data presented in this manuscript cover a follow-up period of up to 4 years post-surgical intervention, delayed registration was not feasible.
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Affiliation(s)
| | - Adriana Pinto Bezerra
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Isabela Reginaldo
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Zuila Maria Lobato Wanghon
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Liliane Bonatto Drummond
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Alexandra Feldmann
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Analucia Gebler Philippi
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
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Nabil MS, Mahanna FF, Said MM. Evaluation of masticatory performance and patient satisfaction for conventional and 3D-printed implant overdentures: a randomized crossover study. BMC Oral Health 2024; 24:672. [PMID: 38851676 PMCID: PMC11162030 DOI: 10.1186/s12903-024-04389-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 05/20/2024] [Indexed: 06/10/2024] Open
Abstract
BACKGROUND This crossover clinical study aimed to evaluate and compare masticatory performance and patient satisfaction for patients rehabilitated with conventional heat-cured acrylic resin and 3D-printed mandibular implant overdentures retained with bar attachment. MATERIALS AND METHODS Sixteen completely edentulous healthy participants received new conventional dentures. In the mandible, four interforaminal implants were inserted. Following the stage of osseointegration, the bar was constructed in a trapezoidal configuration. Each patient randomly received the following overdentures using a crossover design: (1) conventional heat-cured acrylic resin overdenture and (2) 3D-printed overdenture (developed by scanning of mandibular conventional overdenture). The masticatory performance was assessed by conducting a two-colour mixing ability test at 5, 10, 20, 30, and 50 masticatory cycles. Moreover, the McGill Denture Satisfaction Questionnaire (MDSQ) was employed to assess patient satisfaction. Evaluation was performed after 3 months of using each overdenture. Paired sample t tests were used to compare the masticatory performance and MDSQ scores of patients for both prostheses. RESULTS No significant difference in masticatory performance was reported between the two types of overdentures. Regarding patient satisfaction, only the esthetic aspect was significantly better for conventionally processed overdentures than for printed overdentures. Insignificant differences were observed regarding other MDSQ items between the two overdentures. CONCLUSION Within this clinical study, 3D-printed implant overdentures showed promising results in terms of chewing efficiency and patient satisfaction compared to conventionally fabricated implant overdentures. TRIAL REGISTRATION Retrospectively registered at www. CLINICALTRIALS gov : NCT06148727.(28/11/2023).
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Affiliation(s)
- Mohamed Shady Nabil
- Removable Prosthodontics Department, Faculty of Dentistry, Mansoura University, Mansoura, 35511, Egypt
| | - Fatma Fathe Mahanna
- Removable Prosthodontics Department, Faculty of Dentistry, Mansoura University, Mansoura, 35511, Egypt.
| | - Mohamed Moustafa Said
- Removable Prosthodontics Department, Faculty of Dentistry, Mansoura University, Mansoura, 35511, Egypt
- Restorative Dentistry and Prosthodontics, College of Dentistry, American University Iraq Baghdad (AUIB), Baghdad, Iraq
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Gehrke P, Rashidpour M, Sader R, Weigl P. A systematic review of factors impacting intraoral scanning accuracy in implant dentistry with emphasis on scan bodies. Int J Implant Dent 2024; 10:20. [PMID: 38691258 PMCID: PMC11063012 DOI: 10.1186/s40729-024-00543-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 04/23/2024] [Indexed: 05/03/2024] Open
Abstract
PURPOSE The purpose of this systematic review was to explore and identify the factors that influence the accuracy of intraoral scanning in implant dentistry, with a specific focus on scan bodies (ISBs). METHODS Following the PRISMA 2020 guidelines, this study conducted a thorough electronic search across MedLine, PubMed, and Scopus to identify relevant studies. Articles were screened based on titles, abstracts, and full texts for relevance. The Robins I tool assessed the risk of bias in various study types. Data extraction occurred based on predetermined parameters for studying specimens and assessing outcomes. RESULTS 16 studies met the specified criteria and were consequently included in the systematic review. Due to variations in variables and methods across the selected studies, statistical comparison of results was not feasible. Therefore, a descriptive review approach was chosen, acknowledging the substantial heterogeneity in the reviewed literature. CONCLUSIONS The precision of virtual scan results is contingent upon diverse characteristics of ISBs and implants. These factors encompass their placement within the dental arch, structural design, shape, material composition, color, and the manufacturing system, all of which contribute to scan accuracy. Additionally, considerations such as the intraoral scanner (IOS) type, scanning technique, use of scan aids, inter-implant distance, scan span, and the number of implants warrant evaluation. In the context of capturing implant positions, intraoral scanning with ISBs demonstrates comparable accuracy to traditional impression methods, particularly in single and short-span scenarios. However, the existing data lacks sufficient information on in vivo applications to formulate clinical recommendations.
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Affiliation(s)
- Peter Gehrke
- Department of Postgraduate Education, Master of Oral Implantology, Center for Dentistry and Oral Medicine (Carolinum), Johann Wolfgang Goethe University, Theodor-Stern-Kai 7, 60596, Frankfurt, Germany.
- Private Practice for Oral Surgery and Implant Dentistry, Bismarckstraße 27, 67059, Ludwigshafen, Germany.
| | - Mahsa Rashidpour
- Master of Oral Implantology, Center for Dentistry and Oral Medicine, Johann Wolfgang Goethe University, Frankfurt, Germany
- Private Practice for Implant dentistry and Prosthodontics, Tehran, Iran
| | - Robert Sader
- Department for Oral, Cranio-Maxillofacial and Facial Plastic Surgery, Medical Center of the Goethe University, Frankfurt, Germany
| | - Paul Weigl
- Head of Department of Postgraduate Education, Master of Oral Implantology, Center for Dentistry and Oral Medicine (Carolinum), Johann Wolfgang Goethe University, Theodor-Stern-Kai 7, 60596, Frankfurt, Germany
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7
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Lin CS, Chen YC, Chao LJ, Kao WC, Chen TC. Age-related difference in oral adaptation to masticatory perturbation. Arch Oral Biol 2024; 161:105914. [PMID: 38447352 DOI: 10.1016/j.archoralbio.2024.105914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/26/2023] [Accepted: 02/15/2024] [Indexed: 03/08/2024]
Abstract
OBJECTIVES Mastication can be influenced by intraoral perturbation (e.g., hard food). We developed the masticatory perturbation task (MPT) to assess the perturbation effect during mastication and quantify the degree of adaptation to masticatory perturbation in younger and older adults. DESIGN Thirty-eight younger and 38 older participants completed the MPT, which consisted of three trials assessing masticatory performance (MP) without perturbation (i.e., the baseline condition) and three trials assessing MP with perturbation (i.e., the perturbation condition). Perturbation was implemented by concurrently chewing test food on the preferred side and a drinking straw on the nonpreferred side. We estimated the perturbation effect as the ΔMP between the baseline and perturbation conditions and the adaptation effect as the ΔMP between the third and the first trials for both age groups. RESULTS We found a significant perturbation effect, i.e., a lower MP in the perturbation condition than in the baseline condition, and an adaptation effect, i.e., a higher MP in the third trial than the first trial, in both groups. Moreover, the older group showed a lower degree of adaptation than the younger group. CONCLUSION The masticatory perturbation task revealed the perturbation effect during mastication and the adaptation to masticatory perturbation. The results revealed an association between age and masticatory adaptation.
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Affiliation(s)
- Chia-Shu Lin
- Department of Dentistry, National Yang Ming Chiao Tung University, Taiwan; Institute of Brain Science, National Yang Ming Chiao Tung University, Taiwan; Brain Research Center, National Yang Ming Chiao Tung University, Taiwan; Oral Medicine Innovation Center, National Yang Ming Chiao Tung University, Taiwan.
| | - Yi-Chen Chen
- Department of Dentistry, National Yang Ming Chiao Tung University, Taiwan
| | - Li-Jung Chao
- Department of Dentistry, National Yang Ming Chiao Tung University, Taiwan
| | - Wei-Chieh Kao
- Department of Dentistry, National Yang Ming Chiao Tung University, Taiwan
| | - Ta-Chung Chen
- Division of Prosthodontics, Department of Stomatology, Taipei Veterans General Hospital, Taiwan
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8
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Briguglio M, Wainwright TW, Latella M, Ninfa A, Cordani C, Colombo C, Banfi G, Francetti L, Corbella S. A Proposal for a Multidisciplinary Integrated Oral Health Network for Patients Undergoing Major Orthopaedic Surgery (IOHN-OS). Geriatrics (Basel) 2024; 9:39. [PMID: 38525756 PMCID: PMC10961760 DOI: 10.3390/geriatrics9020039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 03/13/2024] [Accepted: 03/15/2024] [Indexed: 03/26/2024] Open
Abstract
The passing of the years of life physiologically leads to the accumulation of changes in tissues in the oral cavity, influencing dentition, chewing and swallowing mechanisms, and the oral microbiota. Some diseases and medications can aggravate oral symptoms and negatively influence eating behaviours, increasing the likelihood of becoming malnourished. This could make older individuals more vulnerable to complications when undergoing major orthopaedic surgery. Hidden infection foci in the oral cavity are a recognised cause of post-operative periprosthetic joint infections. Dysfunctional oral problems might also compromise feeding after surgery when good nutrition represents a fundamental aspect of a proper recovery. To manage these shortcomings, in this article, the authors hypothesise a multidisciplinary path of care named the Integrated Oral Health Network applied to major Orthopaedic Surgery (IOHN-OS). This peri-operative initiative would include pre-operative oral health screening and risk management by a dental team, patient education programmes before and after surgery, and bedside gerodontology actions like oral care and meal and eating support for fragile individuals. The IOHN-OS has the potential to reshape the concept of suitability for major orthopaedic surgery and generate momentum for designing community-based surveillance programmes that can keep the mouths of older subjects healthy for a long time.
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Affiliation(s)
- Matteo Briguglio
- Laboratory of Nutritional Sciences, IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy
| | - Thomas W. Wainwright
- Orthopaedic Research Institute, Bournemouth University, Bournemouth BH8 8FT, UK
- Physiotherapy Department, University Hospitals Dorset NHS Foundation Trust, Bournemouth BH7 7DW, UK
| | - Marialetizia Latella
- Laboratory of Nutritional Sciences, IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy
| | - Aurora Ninfa
- Operational Unit of Phoniatry, ASST Fatebenefratelli-Sacco, 20154 Milan, Italy
| | - Claudio Cordani
- Department of Biomedical, Surgical, and Dental Sciences, Università degli Studi di Milano, 20122 Milan, Italy
- Scientific Direction, IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy
| | - Cecilia Colombo
- Orthopaedic Biotechnology Laboratory, IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy
| | - Giuseppe Banfi
- Scientific Direction, IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, 20132 Milan, Italy
| | - Luca Francetti
- Department of Biomedical, Surgical, and Dental Sciences, Università degli Studi di Milano, 20122 Milan, Italy
- Operational Unit of Odontostomatology, IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy
| | - Stefano Corbella
- Department of Biomedical, Surgical, and Dental Sciences, Università degli Studi di Milano, 20122 Milan, Italy
- Operational Unit of Odontostomatology, IRCCS Orthopedic Institute Galeazzi, 20161 Milan, Italy
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Shimizu A, Yamaguchi K, Tohara H. Impact of pureed and liquidised diets on health-related quality of life scores in older patients during postacute rehabilitation: A pilot study. J Hum Nutr Diet 2024; 37:227-233. [PMID: 37805824 DOI: 10.1111/jhn.13250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 09/24/2023] [Indexed: 10/09/2023]
Abstract
BACKGROUND Consuming texture-modified diets was considered to negatively affect health-related quality of life (HR-QoL). However, the precise relationship between the levels of food texture consumed and HR-QoL remains uncertain. The present study aimed to determine the association between levels of food texture consumed and HR-QoL. METHODS This cross-sectional study included 122 hospitalised patients aged ≥ 65 years (mean ± SD age 78.9 ± 7.9 years; 48.4% female) who required postacute rehabilitation. Consumed food texture levels were classified using the International Dysphagia Diet Standardization Initiative (IDDSI) framework 2.0. HR-QoL was evaluated using the five-level EuroQoL five-dimension (EQ-5D-5L). The association between food texture levels and HR-QoL was analysed using a multivariate linear regression model. RESULTS The lower food texture levels consumed were associated with significantly lower EQ-5D-5L scores. Consumption of pureed (IDDSI Level 4) and liqudised (IDDSI Level 3) diets were associated with lower EQ-5D-5L scores among older patients undergoing postacute rehabilitation (regression coefficient -0.304; 95% confidence interval = -0.472 to -0.137 and regression coefficient, -0.444, 95% confidence interval = -0.676 to -0.213, respectivly). CONCLUSIONS The findings suggest a link between the consumption of pureed and liquidised diets and lower HR-QoL scores in older hospitalised patients undergoing rehabilitation. To establish a clearer cause-and-effect relationship, future research should encompass multicentre and longitudinal studies, building upon the insights from the present study.
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Affiliation(s)
- Akio Shimizu
- Department of Food and Health Science, Faculty of Health and Human Development, The University of Nagano, Nagano, Japan
| | - Kohei Yamaguchi
- Department of Dysphagia Rehabilitation, Tokyo Medical and Dental University, Tokyo, Japan
| | - Haruka Tohara
- Department of Dysphagia Rehabilitation, Tokyo Medical and Dental University, Tokyo, Japan
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10
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Nickenig HJ, Terheyden H, Reich RH, Kreppel M, Linz C, Lentzen MP. Oral health-related quality of life (OHRQoL) and implant therapy: A prospective multicenter study of preoperative, intermediate, and posttreatment assessment. J Craniomaxillofac Surg 2024; 52:59-64. [PMID: 37891090 DOI: 10.1016/j.jcms.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 07/28/2023] [Accepted: 08/09/2023] [Indexed: 10/29/2023] Open
Abstract
The purpose of this multicenter continuation study was to use high patient numbers in order to generate reliable statements regarding the association between different implant indications and OHRQoL. Patients with various types of indication for dental implants, ranging from single tooth loss to edentulous jaws, were included. Quality of life relating to dental implants was assessed through the oral health impact profile (OHIP-G-21), which has a summary score from 0 to 20 in healthy patients. In total, 16 253 patients from 29 centers (European Centers for Dental Implantology (ECDI)) were involved in the study between 2009 and 2021.8251 patients (50.7%) completed the questionnaire after implant insertion, and 4996 patients (30.7%) after prosthodontic treatment. The average age was 54 years (range 18-88 years). Posterior single-tooth gap (28.5%) and free-end gap (27.8%) were the most frequent indications. The preoperative OHIP-G-21 score for all patients was 32.81 (SD 11.92), while the score during the healing period was 30.00 (SD 10.72), and after completion of treatment 27.24 (SD 9.26) (p < 0.001). The most significant improvements in OHIP-G-21 scores were in the indication of edentulous jaw (phase 1, 41.81 (SD 15.53); phase 2, 35.39 (SD 14.22); phase 3, 29.60 (SD 10.12) (p < 0.001). The study revealed significant improvements in the most frequently reported problems (chewing, serious concerns, appearance) (p < 0.001). Insertion of dental implants and prosthodontic rehabilitation led to an improved OHRQoL for patients with all indications for dental implants. Special attention should be paid to patients with edentulous jaw, since in comparison with other indications it had the greatest impact on improving OHRQoL. The psychological dissatisfaction scale of the OHIP-G-21 represented the most important factors for patients, and these scores were substantially influenced by implant therapy. Thus, treating physicians should increase their focus on these factors, in order to avoid dissatisfaction and increase the likelihood of complete implant therapy success.
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Affiliation(s)
- Hans-Joachim Nickenig
- Department for Oral and Craniomaxillofacial and Plastic Surgery, University Hospital Cologne and Faculty of Medicine, University of Cologne, Germany
| | - Hendrik Terheyden
- Department for Oral and Maxillofacial Surgery, Red Cross Hospital Kassel, Germany
| | - Rudolf H Reich
- Department for Oral and Craniomaxillofacial and Plastic Surgery, University Hospital Bonn and Faculty of Medicine, University of Bonn, Germany
| | - Matthias Kreppel
- Department for Oral and Craniomaxillofacial and Plastic Surgery, University Hospital Cologne and Faculty of Medicine, University of Cologne, Germany
| | - Christian Linz
- Department for Oral and Craniomaxillofacial and Plastic Surgery, University Hospital Cologne and Faculty of Medicine, University of Cologne, Germany
| | - Max-Philipp Lentzen
- Department for Oral and Craniomaxillofacial and Plastic Surgery, University Hospital Cologne and Faculty of Medicine, University of Cologne, Germany.
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11
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Leong JZ, Beh YH, Ho TK. Tooth-Supported Overdentures Revisited. Cureus 2024; 16:e53184. [PMID: 38420101 PMCID: PMC10901637 DOI: 10.7759/cureus.53184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/25/2024] [Indexed: 03/02/2024] Open
Abstract
The goal of prosthodontics is to provide a functional prosthesis to restore aesthetics, functions, and masticatory efficiencies. Tooth-supported overdentures are one of the treatment options for removable dentures. This article aims to discuss the advantages and disadvantages of tooth-supported overdentures and the principles of using various overdenture attachments, including non-attachment overdentures. The common treatment options in preparing the overdenture abutment are either with or without abutment coping with or without attachment systems, which were discussed and illustrated. A range of tooth-supported overdenture systems were addressed, from low to high financial implications and treatment complexities. The clinician can choose a system that best fits the patient's condition and expectations. This allows clinicians to decide and consider tooth-supported overdentures as a treatment option before full edentulism. A well-executed tooth-supported overdenture ensures the preservation of alveolar bone, optimizes patient satisfaction in denture treatment, and eventually improves the patient's adaptation when transitioning to complete dentures.
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Affiliation(s)
- Jia Zheng Leong
- Department of Oral and Maxillofacial Surgery, Hospital Tuanku Ja'afar, Seremban, MYS
| | - Yew Hin Beh
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur, MYS
| | - Ting Khee Ho
- Division of Dentistry, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, GBR
- Department of Restorative Dentistry, Faculty of Dentistry, Universiti Kebangsaan Malaysia, Kuala Lumpur, MYS
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12
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Mohamed Abdel-Aziz L, Abdallah SA, Mohammed bakr N, Bahaa SM, Zainalabdeen EH, Alsharif M, Elsayed SA. Effectiveness of a polycaprolactone scaffold combined with platelet-rich fibrin as guided tissue regeneration materials for preserving an implant-supported overdenture. Saudi Dent J 2024; 36:151-157. [PMID: 38375393 PMCID: PMC10874784 DOI: 10.1016/j.sdentj.2023.08.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 02/21/2024] Open
Abstract
Objectives This study aimed to assess the effectiveness of ridge preservation using a polycaprolactone (PCL) scaffold combined with platelet-rich fibrin (PRF) to promote bone regeneration before implantation. Materials and Methods This prospective study was conducted at Al-Azhar University in Egypt. It included 30 participants requiring the extraction of their last mandibular premolar before constructing an implant-supported overdenture. The participants were divided into three groups: Group A was treated with a PCL scaffold and PRF as ridge preservative materials, Group B was treated with PRF alone, and Group C (control) was treated with no preservative material. Bone samples were collected for histomorphometric analysis at implant placement. Results The participants' mean age was 65.3 ± 4.27 years, and 18 (60%) were male. Postoperative alveolar bone lengths differed significantly between Groups A and B (P = 0.001). However, alveolar bone width changes did not differ significantly among groups. In contrast, the postoperative bone density and loss differed significantly among groups (P = 0.001). Conclusion Combining two ridge preservation techniques (PCL and PRF) enhanced participants' alveolar bone remodelling by decreasing its resorption and maintaining its width.
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Affiliation(s)
- Lobna Mohamed Abdel-Aziz
- Oral Medicine, Periodontology, Diagnosis and Oral Radiology, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Shahenda A. Abdallah
- Biomaterial, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Noura Mohammed bakr
- Oral and Dental Biology Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Sara M. Bahaa
- Removable Prosthodontic Department, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Ebtihal H. Zainalabdeen
- Department of Oral Basic and Clinical Sciences, College of Dentistry, Taibah University, Al Madinah Al Munawwarah, Saudi Arabia
| | | | - Shadia A. Elsayed
- Oral Medicine, Periodontology, Diagnosis and Oral Radiology, Faculty of Dental Medicine for Girls, Al-Azhar University, Cairo, Egypt
- Department of Oral & Maxillofacial Surgery, College of Dentistry, Taibah University, Al Madinah Al Munawwarah, Saudi Arabia
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13
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Neves BR, Costa RTF, Vasconcelos BCDE, Pellizzer EP, Moraes SLD. Muscle activity between dentate and edentulous patients rehabilitated with dental prostheses: A systematic review. J Oral Rehabil 2023; 50:1508-1517. [PMID: 37605296 DOI: 10.1111/joor.13564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 07/18/2023] [Accepted: 07/31/2023] [Indexed: 08/23/2023]
Abstract
BACKGROUND Adequate muscle activity is important for the success of oral rehabilitation: it maintains the integrity of the stomatognathic system and is responsible for chewing movements needed to break, crush and grind food. OBJECTIVE To compare muscle activity using electromyography (EMG) while clenching or chewing soft and/or hard foods among individuals with natural dentition (ND) and edentulous patients rehabilitated with dental prostheses. METHODS This review was conducted until March, 2023, and the research question was "Is the muscle activity of edentulous patients rehabilitated with dental prostheses similar to that of dentate individuals?" A search strategy was conducted in PubMed/MEDLINE, The Cochrane Library, Web of Science, Lilacs, Embase and manual journal searches. RESULTS Ten studies were included in the analysis. Most of them reported that individuals with ND had significant higher muscle activity (clenching or chewing) than complete dentures (CD) users. However, no difference was observed between patients with full mouth implant-supported fixed dental prosthesis (ISFDP) and ND. Additionally, two studies compared patients with mandibular ISFDP with maxillary CD and individuals with ND and found no differences; however, one study concluded that patients with ISFDP with CD (maxillary or mandibular) had lower muscle activity than individuals with ND. Only one study reported a higher muscle activity in patients with full-mouth ISFDP than in individuals with ND. CONCLUSIONS Bimaxillary CD users had lower muscle activity than individuals with ND. During rehabilitation, the muscle activity of patients with full-mouth ISFDP and mandibular ISFDP with maxillary CD is similar to individuals with ND.
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Affiliation(s)
- Bruna Rocha Neves
- Department of Oral Rehabilitation, Faculty of Dentistry, University of Pernambuco (UPE), Recife, Brazil
| | | | | | - Eduardo Piza Pellizzer
- Department of Dental Materials and Prosthodontics, Araçatuba Dental School, São Paulo State University (UNESP), Araçatuba, Brazil
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14
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Bogner MS, Chambas V, Nicolas E, Faulks D, Hennequin M. Implant-supported prostheses in patients with special needs: A systematic literature review of protocols and outcomes. J Prosthet Dent 2023:S0022-3913(23)00628-5. [PMID: 37880026 DOI: 10.1016/j.prosdent.2023.09.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 10/27/2023]
Abstract
STATEMENT OF PROBLEM Implant-supported prostheses for individuals with special needs have been considered high-risk because of the prevalence of poor oral hygiene and parafunction in this population; however, systematic evidence on protocols and outcomes is scarce. PURPOSE The purpose of this systematic review was to summarize implant procedures and outcomes for the special needs population. MATERIAL AND METHODS A systematic literature review was conducted using PubMed, Embase, and Scopus databases in accordance with the preferred reporting items for systematic reviews and meta-analyses (PRISMA) methodological framework. Data collected included patient information, location and number of implants, surgical and prosthetic procedures, behavior support techniques, postoperative follow-up, complications, and criteria for outcome assessment. Survival rates were pooled for quantitative analysis, and a separate analysis pooling data from groups of special needs patients that present similar risks was undertaken. RESULTS The qualitative analysis included 79 studies involving 759 patients and 2269 implants. The quantitative analysis included 65 studies concerning 666 patients with special needs and 1886 implants. The overall weighted implant survival rate was 95.4%, with a mean follow-up duration of 40.7 ±29.5 months. CONCLUSIONS In individuals with special needs considered suitable for implant-supported prostheses by their clinician, implant survival rates were similar to those reported in the general population. (J Prosthet Dent xxxx;xxx:xxx-xxx).
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Affiliation(s)
- Marie-Sophie Bogner
- Specialist, Centre for Research in Clinical Dentistry (CROC), University of Clermont Auvergne BP 10448, Clermont-Ferrand, France.
| | - Vivien Chambas
- Specialist, Centre for Research in Clinical Dentistry (CROC), University of Clermont Auvergne BP 10448, Clermont-Ferrand, France; and Private practice, Clermont-Ferrand, France
| | - Emmanuel Nicolas
- Professor, Centre for Research in Clinical Dentistry (CROC), University of Clermont Auvergne BP 10448, Clermont-Ferrand, France; and CHU Clermont-Ferrand, Service d'Odontologie, CHU Estaing, Clermont-Ferrand, France
| | - Denise Faulks
- Specialist Consultant, Centre for Research in Clinical Dentistry (CROC), University of Clermont Auvergne BP 10448, F-63000 Clermont-Ferrand, France; and CHU Clermont-Ferrand, Service d'Odontologie, CHU Estaing, Clermont-Ferrand, France
| | - Martine Hennequin
- Professor, Centre for Research in Clinical Dentistry (CROC), University of Clermont Auvergne BP 10448, Clermont-Ferrand, France; and CHU Clermont-Ferrand, Service d'Odontologie, CHU Estaing, Clermont-Ferrand, France
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15
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Altalhi AM, Alharbi FS, Alhodaithy MA, Almarshedy BS, Al-Saaib MY, Al Jfshar RM, Aljohani AS, Alshareef AH, Muhayya M, Al-Harbi NH. The Impact of Artificial Intelligence on Dental Implantology: A Narrative Review. Cureus 2023; 15:e47941. [PMID: 38034167 PMCID: PMC10685062 DOI: 10.7759/cureus.47941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Implant dentistry has witnessed a transformative shift with the integration of artificial intelligence (AI) technologies. This article explores the role of AI in implant dentistry, emphasizing its impact on diagnostics, treatment planning, and patient outcomes. AI-driven image analysis and deep learning algorithms enhance the precision of implant placement, reducing risks and optimizing aesthetics. Moreover, AI-driven data analytics provide valuable insights into patient-specific treatment strategies, improving overall success rates. As AI continues to evolve, it promises to reshape the landscape of implant dentistry and lead in an era of personalized and efficient oral healthcare.
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Affiliation(s)
| | | | | | | | | | | | | | - Adeeb H Alshareef
- Dentistry, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, SAU
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Mäntynen P, Laurila M, Strausz T, Mauno J, Leikola J, Suojanen J. Use of Individually Designed CAD/CAM Suprastructures for Dental Reconstruction in Patients with Cleft Lip and Palate. Dent J (Basel) 2023; 11:212. [PMID: 37754332 PMCID: PMC10528161 DOI: 10.3390/dj11090212] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/01/2023] [Accepted: 09/07/2023] [Indexed: 09/28/2023] Open
Abstract
This patient series reports the outcomes of CAD/CAM prosthetic reconstructions in patients with cleft lip and palate (n = 9, aged 27 to 76) who have experienced significant failure with conventional restorative and fixed prosthodontic treatments. The objective of the protocol is to establish a functional and patient-friendly prosthetic structure for individuals with unilateral/bilateral cleft lip and palate (UCLP/BCLP) while minimising the requirement for specialised follow-up care in the cleft unit. The study data were obtained from a retrospective cohort at Helsinki University Hospital. Prosthetic reconstructions were performed using CAD/CAM bar structures by the Atlantis 2in1 system or Createch removable telescope structures, supported by four to eight maxillary dental implants. Out of the nine patients, seven experienced no complications. One prosthesis fracture occurred after 16 months due to a design error in the original framework, and one patient experienced failure of osseointegration in a dental fixture (specifically, one fixture out of the eight maxillary implants in this patient). In total, 56 implants were successfully placed. The maxillary dentition of elderly patients with cleft lip and palate often poses challenges due to periodontal and reconstructive issues. An implant-supported CAD/CAM bar with a removable telescope suprastructure offers an easily maintained and functional solution for dental rehabilitation.
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Affiliation(s)
- Pilvi Mäntynen
- Päijät-Häme Joint Authority for Health and Wellbeing, Department of Oral and Maxillofacial Surgery, Lahti Central Hospital, 15850 Lahti, Finland; (M.L.); (J.S.)
- Clinicum, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland
| | - Marisa Laurila
- Päijät-Häme Joint Authority for Health and Wellbeing, Department of Oral and Maxillofacial Surgery, Lahti Central Hospital, 15850 Lahti, Finland; (M.L.); (J.S.)
| | - Tommi Strausz
- Institute for Molecular Medicine Finland, Helsinki Institute of Life Science, University of Helsinki, 00014 Helsinki, Finland
| | - Jari Mauno
- Cleft Palate and Craniofacial Centre, Department of Plastic Surgery, HUS Helsinki University Hospital and University of Helsinki, 00029 Helsinki, Finland; (J.M.); (J.L.)
| | - Junnu Leikola
- Cleft Palate and Craniofacial Centre, Department of Plastic Surgery, HUS Helsinki University Hospital and University of Helsinki, 00029 Helsinki, Finland; (J.M.); (J.L.)
| | - Juho Suojanen
- Päijät-Häme Joint Authority for Health and Wellbeing, Department of Oral and Maxillofacial Surgery, Lahti Central Hospital, 15850 Lahti, Finland; (M.L.); (J.S.)
- Clinicum, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland
- Cleft Palate and Craniofacial Centre, Department of Plastic Surgery, HUS Helsinki University Hospital and University of Helsinki, 00029 Helsinki, Finland; (J.M.); (J.L.)
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17
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Schuster AJ, Possebon APDR, Schinestsck AR, Chagas-Júnior OL, Faot F. Effect of mandibular bone atrophy on maxillary and mandibular bone remodeling and quality of life with an implant-retained mandibular overdenture after 3 years. J Prosthet Dent 2023; 130:220-228. [PMID: 34728072 DOI: 10.1016/j.prosdent.2021.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 08/24/2021] [Accepted: 08/24/2021] [Indexed: 10/19/2022]
Abstract
STATEMENT OF PROBLEM The medium-term effect of an implant-retained mandibular overdenture on bone remodeling in the maxilla and posterior mandible of edentulous patients and the effects on quality of life have not been established. PURPOSE The purpose of this prospective observational clinical study was to evaluate the 3-year effects of implant-retained mandibular overdentures on oral-health-related quality of life (OHRQoL) and bone remodeling in different regions of the maxilla and mandible in participants with atrophic or nonatrophic mandibles. MATERIAL AND METHODS Twenty-six edentulous participants received 2 narrow-diameter implants in the anterior mandible. Mandibular bone atrophy was categorized from presurgical panoramic radiographs according to the Cawood and Howell criteria. OHRQoL was assessed by using the OHIP-EDENT questionnaire. Participants were evaluated annually for 3 years to measure the marginal bone loss and bone area of the posterior mandible, and the anterior and posterior regions of the maxilla were assessed annually through panoramic radiographs. The data were analyzed by using a mixed-effects linear regression to estimate time-dependent trends and a mixed-effect linear regression model to verify differences between groups. The Pearson correlation coefficients between bone variables and 3-year OHIP-EDENT outcomes were calculated. RESULTS In the third year, atrophic participants had a significantly lower marginal bone loss (0.02 mm) than nonatrophic participants (-0.39 mm) (P=.030). Differences were also found in the functional limitation (nonatrophic=1.82 ±1.75, atrophic participants=1.92 ±1.54; P=.018) and handicap domains (nonatrophic=0.36 ±0.54, atrophic participants=0.08 ±0.27; P=.003). For nonatrophic participants, comparisons between baseline and 3-year outcomes showed significant bone resorption as indicated by the area ratio in the anterior maxilla (P=.035), posterior maxilla (P=.022), and posterior mandible (P=.009). Conversely, the bone area of the anterior maxilla (P=.019) decreased in atrophic participants between baseline and year 1, while the bone area of the anterior maxilla and posterior mandible increased (P<.001) between years 1 and 3. Higher effect sizes were observed in the OHRQoL domains of the atrophic participants. CONCLUSIONS Bone atrophy influenced both the OHRQoL profile and bone remodeling profile in different regions of the mandible and maxilla in mandibular overdenture users. In atrophic participants, bone tissue in both jaws responded positively to overdenture use, with bone apposition after the first year and bone area preservation in the anterior maxilla, posterior mandible, and peri-implant regions after 3 years of follow-up.
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Affiliation(s)
- Alessandra Julie Schuster
- Postdoctoral Researcher, Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas (UFPel), Pelotas, RS, Brazil
| | - Anna Paula da Rosa Possebon
- PhD student, Graduate Program in Dentistry, School of Dentistry, Federal University of Pelotas (UFPel), Pelotas, RS, Brazil
| | | | - Otacílio Luiz Chagas-Júnior
- Professor, Department of Oral and Maxillofacial Surgery and Maxillofacial Prosthodontics, School of Dentistry, Federal University of Pelotas (UFPel), Pelotas, RS, Brazil
| | - Fernanda Faot
- Professor, Department of Restorative Dentistry, School of Dentistry, Federal University of Pelotas (UFPel), Pelotas, RS, Brazil.
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18
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Desai JP, Nair RU. Oral Health Factors Related to Rapid Oral Health Deterioration among Older Adults: A Narrative Review. J Clin Med 2023; 12:jcm12093202. [PMID: 37176641 PMCID: PMC10179735 DOI: 10.3390/jcm12093202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/11/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023] Open
Abstract
Older adults who face systemic health issues and lack adequate social support are at risk for oral health deterioration. How rapidly such changes take place depends on the severity of their medical condition and their ability to access oral health services in a timely manner. The management of dental caries and periodontal disease in this cohort is made complex by the interaction of local and host factors such as the presence of dry mouth, involvement of root surfaces, and altered wound healing. in addition to enhanced maintenance needs to avoid recurrence or progression. Tooth replacement can be beneficial in restoring oral function, allowing patients to enjoy a healthy and nutritious diet but requires careful consideration to avoid further damage to remaining dental units. Establishing a dental home for the older adult can facilitate routine surveillance, disease prevention, and patient/caregiver education to achieve oral health goals commensurate with overall health. This narrative review details oral health factors that are related to rapid oral health deterioration among older adults.
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Affiliation(s)
- Jhanvi P Desai
- Department of Preventive and Community Dentistry, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, IA 52242, USA
| | - Rohit U Nair
- Department of Preventive and Community Dentistry, The University of Iowa College of Dentistry and Dental Clinics, Iowa City, IA 52242, USA
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19
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Zhou T, Mirchandani B, Li XX, Mekcha P, Buranawat B. Quantitative parameters of digital occlusal analysis in dental implant supported restorative reconstruction recent 5 years: a systematic review. Acta Odontol Scand 2023; 81:1-17. [PMID: 35617455 DOI: 10.1080/00016357.2022.2077980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
OBJECTIVE The aims of this systematic review were to evaluate the clinical masticatory performance of implant-supported restorations, observe the occlusal force changes in the distribution of the implant restoration and reveal the positive and negative contributing factors of implant design and components based on the outcomes of digital occlusal measurement. MATERIAL AND METHODS An extensive search was conducted through PubMed and CENTRAL to identify clinical trials on implant-retained restorations using digital occlusal analysis methods. Two researchers assessed the identified studies and data extraction independently, and the data synthesis strategies without meta-analysis that summarizes the effect estimates were adopted. RESULTS The search screened 3821 titles and abstracts, then full-text analysis for 26 articles was performed, and 14 studies were included in the quantitative synthesis. Four of six studies for implant-retained overdenture showed statistically significant improved bite force when immediate loading (p = .00045, .00005, .00055, and .00005, respectively), and no statistically significant results in the other two studies (p = .225, .371, respectively.) However, the results of the favoured intervention were not statistically significant (p = .104, .166, respectively) in two studies of single posterior implant restorations. In all three studies, the bite force distributed on the implant prostheses of partially fixed implant-retained restoration increased statistically significantly (p = .013, .001, .05, respectively). CONCLUSIONS The edentulous restoration supported by implants seems to significantly improves bite force and chewing efficiency compared with conventional dentures. Regular quantitative occlusal measurement is recommended to avoid the possible risk of overload. Smaller implants size and relatively small and flexible attachment designs may be more conducive to the stability and retention of the restoration of atrophy of alveolar bone.
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Affiliation(s)
- Ting Zhou
- Department of Orthodontics, School of Stomatology, Kunming Medical University, Yunnan, PR China.,Department of Periodontics and Implant Dentistry, Faculty of Dentistry, Thammasat University, Phatum Thani, Thailand
| | - Bharat Mirchandani
- Department of Periodontics and Implant Dentistry, Faculty of Dentistry, Thammasat University, Phatum Thani, Thailand
| | - Xing-Xing Li
- Department of Prosthodontics, School of Stomatology, Kunming Medical University, Yunnan, PR China
| | - Pichaya Mekcha
- Department of Periodontics and Implant Dentistry, Faculty of Dentistry, Thammasat University, Phatum Thani, Thailand
| | - Borvornwut Buranawat
- Department of Periodontics and Implant Dentistry, Faculty of Dentistry, Thammasat University, Phatum Thani, Thailand
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Slot W, Raghoebar GM, Cune MS, Vissink A, Meijer HJA. Maxillary overdentures supported by four or six implants in the anterior region: 10-year randomized controlled trial results. J Clin Periodontol 2023; 50:36-44. [PMID: 36122912 PMCID: PMC10091759 DOI: 10.1111/jcpe.13726] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/26/2022] [Accepted: 09/15/2022] [Indexed: 11/30/2022]
Abstract
AIM To evaluate bar-supported maxillary implant overdenture treatment when supported by either four or six implants after 10 years. MATERIALS AND METHODS Edentulous subjects with maxillary denture complaints and ample bone volume to facilitate implants in the anterior region of the maxilla were planned for implant overdenture treatment, randomized to receive either four implants (n = 25) or six implants (n = 25) and subsequently evaluated after 10 years of function. Outcome variables included peri-implant bone-level changes, implant and overdenture survival, complications, presence of plaque, calculus and bleeding, degree of peri-implant inflammation, probing depth and patient satisfaction. Differences between the groups and between evaluation periods were tested with a Student's t-test. RESULTS Fourteen patients with totally 72 implants were lost to follow-up. Two patients from the six-implant group experienced implant loss (four implants), resulting in 96.1% implant survival in this group versus 100% survival in the four-implant group. Clinical, radiographical and patient-reported outcome measures did not differ statistically significant between the two groups. Patients from both groups were generally quite satisfied with the result after 10 years. CONCLUSIONS Similar and favourable outcomes are seen in bar-supported maxillary overdentures on either four or six anteriorly placed implants after a 10-year evaluation period.
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Affiliation(s)
- Wim Slot
- Dental School, Department of Implant Dentistry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gerry M Raghoebar
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marco S Cune
- Dental School, Department of Restorative Dentistry and Biomaterials, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Oral and Maxillofacial Surgery, Prosthodontics and Special Dental Care, University Medical Center Utrecht, Utrecht, The Netherlands.,Department of Oral and Maxillofacial Surgery, Prosthodontics and Special Dental Care, St. Antonius Hospital, Nieuwegein, The Netherlands
| | - Arjan Vissink
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Henny J A Meijer
- Dental School, Department of Implant Dentistry, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
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21
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Herrero F, de Souza RF, Feine JS, Alexander PP, Green AV, Oates TW. The impact of implant-retained overdentures on type-2 diabetic and non-diabetic edentulous patients: Satisfaction and quality of life in a prospective cohort study. J Dent 2022; 127:104357. [PMID: 36351489 PMCID: PMC9691604 DOI: 10.1016/j.jdent.2022.104357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 09/07/2022] [Accepted: 11/04/2022] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVES To evaluate the benefits of implant therapy for patients with diabetes, we compared (i) healthy, (ii) well controlled T2DM and (iii) poorly controlled T2DM patients, in terms of oral health-related quality of life (OHRQoL) and satisfaction with mandibular 2-implant overdentures over 12 months following restoration. MATERIALS AND METHODS This single-center, prospective, cohort study recruited 165 edentulous adults (HbA1c<12%) to receive two endosseous implants in the anterior mandible to support mandibular overdentures. Participants were enrolled as having T2DM or not, with T2DM participants divided according to HbA1c into well-controlled (<8.1%) and poorly controlled (≥ 8.1%) groups. Participants provided responses to the OHIP-20 (OHRQoL) and the McGill Denture Satisfaction Questionnaire, before implant therapy and 6 and 12 months after overdenture insertion using Locator attachments. HbA1c was measured at the same time points. The effect of groups and time was verified using generalized estimating equations (α=0.025). RESULTS At 12 months, 137 participants provided responses. The two diabetes groups showed improvements in OHRQoL to the same extent as the non-diabetic control group at both 6 and 12 months. Patient satisfaction showed similar improvements with no between-group differences and similar increases identified at 6 and 12 months. HbA1c was not affected by time or groups. CONCLUSIONS Dental implant therapy provided significant improvements in patient-perceived benefits of mandibular two-implant overdentures for T2DM individuals, which are similar to those found for healthy edentulous individuals. Importantly, those benefits extend to those individuals with poorly controlled glycaemia. The addition of 2-implant supported mandibular overdentures did not affect glycaemic status over 12 months following insertion. CLINICAL SIGNIFICANCE As risks for implant therapy relative to glycaemic status are better understood, this study documents that implant therapy may offer important benefits in QoL for T2DM patients independent of glycaemic status.
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Affiliation(s)
- Frances Herrero
- Department of Advanced Oral Sciences & Therapeutics, School of Dentistry, University of Maryland, Baltimore, United States
| | - Raphael F de Souza
- Oral Health and Society, Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
| | - Jocelyne S Feine
- Oral Health and Society, Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
| | - Peggy P Alexander
- Department of Comprehensive Dentistry, School of Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, United States
| | - Adriana Vargas Green
- Department of Comprehensive Dentistry, School of Dentistry, University of Texas Health Science Center at San Antonio, San Antonio, United States
| | - Thomas W Oates
- Department of Advanced Oral Sciences & Therapeutics, School of Dentistry, University of Maryland, Baltimore, United States.
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22
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Athab Abduljabbar Z, Svensson KG, Hjalmarsson L, Franke Stenport V, Eliasson A. Chewing side preference and laterality in patients treated with unilateral posterior implant-supported fixed partial prostheses. J Oral Rehabil 2022; 49:1080-1086. [PMID: 36065716 PMCID: PMC9826335 DOI: 10.1111/joor.13366] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 06/16/2022] [Accepted: 08/22/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND It is not clear to what extent chewing is improved by unilateral oral rehabilitation with implant-supported fixed partial prostheses (ISFPPs). OBJECTIVES This study aimed to investigate whether patients treated with unilateral ISFPPs in the maxilla use their prostheses during mastication to the same extent as they used their contralateral natural teeth. A further aim was to investigate whether there is a correlation between preferred chewing side and laterality. METHODS Chewing side preference was assessed in 15 participants treated with unilateral ISFPPs in the maxilla. The first, second, third, fifth and tenth chewing cycles were assessed, and the test was repeated 10 times. All participants also answered a questionnaire about their chewing side preference. RESULTS Most of the participants presented bilateral chewing, but two (13%) chewed only on the ISFPP. There was no statistically significant association between the objectively assessed chewing side and dental status (natural teeth or ISFPPs) during any of the recorded chewing cycles (p > .1). There were statistically significant correlations between both the subjectively reported usually preferred chewing side and the subjective chewing side preference during the test and the objectively assessed chewing side for the first three chewing cycles (p < .01). No correlation was found between handedness and the objectively assessed chewing side. CONCLUSION In the present study, most participants chewed bilaterally, and chewing was performed both on the ISFPP and on the natural teeth. No correlation was found between the preferred chewing side, objectively or subjectively determined and laterality.
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Affiliation(s)
- Zahra Athab Abduljabbar
- Specialist Dental Clinic, Folktandvården Sörmland ABMälar HospitalEskilstunaSweden,Centre for Clinical Research SörmlandUppsala UniversityUppsalaSweden,Department of Prosthodontics/Dental Materials Science, Institute of Odontology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | | | - Lars Hjalmarsson
- Specialist Dental Clinic, Folktandvården Sörmland ABMälar HospitalEskilstunaSweden,Centre for Clinical Research SörmlandUppsala UniversityUppsalaSweden,Department of Prosthodontics/Dental Materials Science, Institute of Odontology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Victoria Franke Stenport
- Department of Prosthodontics/Dental Materials Science, Institute of Odontology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Alf Eliasson
- Dental Research Department, Faculty of Medicine and HealthÖrebro UniversityÖrebroSweden
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Slot W, Raghoebar GM, Cune MS, Vissink A, Meijer HJA. Maxillary bar overdentures on four or six posterior implants: 10-year results from a randomized clinical trial. Clin Oral Implants Res 2022; 33:1147-1156. [PMID: 36151932 PMCID: PMC9828494 DOI: 10.1111/clr.13997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/01/2022] [Accepted: 09/05/2022] [Indexed: 01/12/2023]
Abstract
OBJECTIVE To compare clinical and patient-reported outcomes when providing maxillary overdentures on four and six splinted implants placed in the posterior region during a 10-year follow-up period. MATERIALS AND METHODS Sixty-six edentulous participants with functional maxillary denture complaints and insufficient bone volume to allow implant placement were scheduled for a bone augmentation procedure. After healing, participants were randomized to receive either four or six implants in the posterior maxilla. After 3 months of osseointegration, a bar overdenture was constructed. Implant survival, overdenture survival, clinical scores, peri-implant bone height changes, and patient satisfaction were assessed. RESULTS Forty-six participants completed the 10-year follow-up. Implant survival was 100% in the 4-implant group and 96.7% in the 6-implant group. Seven new overdentures were made in the 4-implant group and 12 new overdentures were made in the 6-implant group due to excessive wear of the denture base and teeth. Clinical parameters did not differ significantly between groups. Mean marginal bone loss compared to baseline was 0.41 ± 0.37 mm in the 4-implant group and 0.70 ± 1.07 mm in the 6-implant group. Overall, patient satisfaction improved significantly, but did not differ between groups. CONCLUSION From this 10-year follow-up trial, it was concluded that bar maxillary overdentures on four or six implants in the posterior region of an augmented maxilla resulted in a comparable treatment outcome with high implant survival, limited loss of peri-implant marginal bone, and high patients' satisfaction. (Clinical trial registration number: NTR9729).
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Affiliation(s)
- Wim Slot
- Department of Implant Dentistry, Dental School, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Gerry M. Raghoebar
- Department of Oral and Maxillofacial Surgery, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Marco S. Cune
- Department of Fixed Prosthodontics, Dental School, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Arjan Vissink
- Department of Oral and Maxillofacial Surgery, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
| | - Henny J. A. Meijer
- Department of Implant Dentistry, Dental School, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands,Department of Oral and Maxillofacial Surgery, University Medical Center GroningenUniversity of GroningenGroningenThe Netherlands
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24
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Jockusch J, Hahnel S, Nitschke I. Use of handgrip strength measurement as an alternative for assessing chewing function in people with dementia. BMC Geriatr 2022; 22:769. [PMID: 36153477 PMCID: PMC9509657 DOI: 10.1186/s12877-022-03452-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 09/14/2022] [Indexed: 11/12/2022] Open
Abstract
Background Chewing ability and handgrip strength can be independent explanatory factors of physical fitness. The usability of measurement procedures for assessing chewing function in people with dementia seems to be limited. This study aimed to show an association between handgrip strength and chewing function to enable the use of handgrip strength measurement as an alternative for determining chewing parameters in people with dementia. Methods The data analysed here are part of the OrBiD (Oral Health, Bite Force and Dementia) pilot study. A total of 120 participants were assigned to five evaluation groups based on their cognitive abilities using the Mini-Mental State Examination (MMSE). The MMSE groups in this data analysis were “no dementia” (noDem, MMSE 28–30), “mild cognitive impairment” (mCI, MMSE 25–27), and “mild dementia” (mDem, MMSE 18–24). Handgrip strength, maximum occlusal force, and chewing efficiency were measured. Results The Mini-Mental State Examination scores among all participants (n = 71) resulted in a median of 27 and a range of 18–30. An association between maximum handgrip strength and the cognitive impairment of the participants was shown. Nevertheless, the use of handgrip strength measurement as an alternative for determining chewing function was not verified in this study. Conclusions The feasibility and reliability of chewing function measurements in people with dementia should be investigated. Existing measurement procedures may need to be adapted or new assessments may need to be developed to be usable in people with dementia. Trial registration ClinicalTrials.gov NCT03775772.
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Chávez EM, Kossioni A, Fukai K. Policies Supporting Oral Health in Ageing Populations Are Needed Worldwide. Int Dent J 2022; 72:S27-S38. [PMID: 36031323 PMCID: PMC9437798 DOI: 10.1016/j.identj.2022.06.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 06/19/2022] [Accepted: 06/20/2022] [Indexed: 12/19/2022] Open
Abstract
This literature review examines the need to develop appropriate policies specific to the oral health needs of older people that are individualised, cost-effective, and sustainable. Poor oral health and impaired oral function negatively affect the health and quality of life of older adults. Developing care systems that aim to meet patients' normative needs as well as their perceived needs and expectations is one factor in successful delivery of appropriate dental care. Cost is another significant driver of utilisation, and many older adults worldwide lack adequate resources for dental care. Failure to address these issues results in poor outcomes and increased costs of dental and medical care. Disease prevention and control at early stages can preserve public and private financial resources as well as quality of life and well-being for older adults at any stage of life.
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Affiliation(s)
- Elisa M Chávez
- University of the Pacific, Arthur A. Dugoni School of Dentistry, San Francisco, California, USA.
| | - Anastassia Kossioni
- Dental School, National and Kapodistrian University of Athens, Athens, Greece
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26
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Passia N, Chaar MS, Krummel A, Nagy A, Freitag‐Wolf S, Ali S, Kern M. Influence of the number of implants in the edentulous mandible on chewing efficacy and oral health related quality of life – a within‐subject design study. Clin Oral Implants Res 2022; 33:1030-1037. [DOI: 10.1111/clr.13984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 06/13/2022] [Accepted: 06/24/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Nicole Passia
- Department of Prosthodontics, Propaedeutics and Dental Materials, Christian‐Albrechts, University at Kiel Kiel Germany
- Department of Prosthodontics, Faculty of Medicine Carl Gustav Carus, TU Dresden Dresden Germany
| | - Mohammed Sad Chaar
- Department of Prosthodontics, Propaedeutics and Dental Materials, Christian‐Albrechts, University at Kiel Kiel Germany
| | - Anna Krummel
- Department of Prosthodontics, Propaedeutics and Dental Materials, Christian‐Albrechts, University at Kiel Kiel Germany
| | - Andreas Nagy
- Department of Prosthodontics, Propaedeutics and Dental Materials, Christian‐Albrechts, University at Kiel Kiel Germany
| | - Sandra Freitag‐Wolf
- Institute of Medical Informatics and Statistics, Christan‐Albrechts University at Kiel Kiel Germany
| | - Shurouk Ali
- Department of Prosthodontics, Propaedeutics and Dental Materials, Christian‐Albrechts, University at Kiel Kiel Germany
| | - Matthias Kern
- Department of Prosthodontics, Propaedeutics and Dental Materials, Christian‐Albrechts, University at Kiel Kiel Germany
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ELsyad MA, Tella EAES, Mohamed SS, Mahrous AI. Within-patient evaluation of chewing efficiency and maximum bite force of conventional dentures, fixed prostheses, and milled bar overdentures used for All-on-4 implant rehabilitation of atrophied mandibular ridges: A short-term randomized trial. Clin Implant Dent Relat Res 2022; 24:522-531. [PMID: 35679127 DOI: 10.1111/cid.13104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/10/2022] [Accepted: 05/12/2022] [Indexed: 11/30/2022]
Abstract
PURPOSE This crossover study aimed to evaluate chewing efficiency and maximum bite force (BF) of conventional dentures, fixed prostheses, and milled bar overdentures (MO) used for All-on-4 implant rehabilitation of atrophied mandibular ridges. METHODS Sixteen edentulous participants with resorbed mandibular ridges received new conventional dentures (CD, control). Four implants were inserted after 3 months in the mandible using the All-on-4 protocol and loaded immediately with acrylic prosthesis. In a crossover manner, each patient had either fixed restoration (FR, 12 occlusal units) or MO (14 occlusal units) randomly in a crossover study design. Chewing efficiency was evaluated using the mixing ability test. The hue deviation (HD) of two-colored gum was calculated after being chewed for 5, 10, 20, 30, and 50 masticatory cycles. Maximum BF was evaluated using a BF device. HD and BF were measured after using CD, FR, and MO prostheses. RESULTS For all groups, the highest HD (i.e., the lowest chewing efficiency) was noted with 5 strokes, followed by 10, 20, 30 strokes, and the lowest HD (i.e., the highest chewing efficiency) was noted with 50 strokes. For all number of chewing strokes, CD showed the highest HD, then FR, and MO recorded the lowest HD. The highest BF was observed with MO, then FR, and the lowest BF was noted with CD. CONCLUSION Within the limitations of this short-term investigation, both FR and MO used for All-on-4 implant rehabilitation of patients with resorbed mandibular ridges improve masticatory efficiency and maximum BFs compared to CD. However, MO was associated with significantly higher chewing efficiency and maximum BFs than fixed prosthesis.
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Affiliation(s)
- Moustafa Abdou ELsyad
- Department of Prosthodontics, Faculty of Dentistry, Mansoura University, Eldakahlia, Egypt
| | - Eman Abd El Sattar Tella
- Department of Basic and Clinical Oral Sciences, College of Dentistry, Umm Al Qura University, Saudi Arabia
| | - Shahinaz Sayed Mohamed
- Department of Removable Prosthodontics, Faculty of Dentistry, Beni-Suef University, Egypt
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28
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Jockusch J, Hahnel S, Sobotta BBAJ, Nitschke I. The Effect of a Masticatory Muscle Training Program on Chewing Efficiency and Bite Force in People with Dementia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19073778. [PMID: 35409460 PMCID: PMC8997984 DOI: 10.3390/ijerph19073778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/08/2022] [Accepted: 03/11/2022] [Indexed: 12/04/2022]
Abstract
Until now, no study has investigated the effects of masticatory muscle training on chewing function in people with dementia. This study aimed to investigate whether physiotherapeutic exercises for the masticatory muscles have an influence on chewing efficiency and bite force in people with dementia. In a clinical trial with stratified randomization subjects were assigned to three groups based on the Mini Mental State Examination (MMSE: group 1—28–30, group 2—25–27, group 3—18–24). Each group was divided into an experimental (ExpG, intervention) and control group (ConG, no intervention). As intervention a Masticatory Muscle Training (MaMuT) (part 1: three physiotherapeutic treatments and daily home exercises, part 2: daily home exercises only) was carried out. Chewing efficiency and bite force were recorded. The MaMuT influenced the masticatory performance regardless of the cognitive state. Bite force increased in ExpG 1 and 2. Without further training, however, the effect disappeared. Chewing efficiency increased in all ExpG. After completion of the training, the ExpG 2 and 3 showed a decrease to initial values. Subjects of ExpG 1 showed a training effect at the final examination, but a tendency toward the initial values was observed. ExpG 3 seemed to benefit most from the physiotherapeutic exercises in terms of improving chewing efficiency by the end of the intervention phase. ExpG 1 showed the greatest gain in bite force. The MaMuT program is a potential method of improving masticatory performance in people with cognitive impairment or dementia when used on a daily basis.
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Affiliation(s)
- Julia Jockusch
- Department of Prosthodontics and Materials Science, Gerodontology Section, University of Leipzig, 04103 Leipzig, Germany; (S.H.); (B.B.A.J.S.); (I.N.)
- University Research Priority Program “Dynamics of Healthy Aging”, University of Zurich, Andreasstrasse 15/Box 2, 8050 Zurich, Switzerland
- Correspondence: or
| | - Sebastian Hahnel
- Department of Prosthodontics and Materials Science, Gerodontology Section, University of Leipzig, 04103 Leipzig, Germany; (S.H.); (B.B.A.J.S.); (I.N.)
| | - Bernhard B. A. J. Sobotta
- Department of Prosthodontics and Materials Science, Gerodontology Section, University of Leipzig, 04103 Leipzig, Germany; (S.H.); (B.B.A.J.S.); (I.N.)
| | - Ina Nitschke
- Department of Prosthodontics and Materials Science, Gerodontology Section, University of Leipzig, 04103 Leipzig, Germany; (S.H.); (B.B.A.J.S.); (I.N.)
- Clinic of General, Special Care and Geriatric Dentistry, Center of Dental Medicine, University of Zurich, 8032 Zurich, Switzerland
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Neuwald Pauletti R, Callegari-Jacques SM, Fornari L, de Moraes JI, Fornari F. Reduced masticatory function predicts gastroesophageal reflux disease and esophageal dysphagia in patients referred for upper endoscopy: A cross-sectional study. Dig Liver Dis 2022; 54:331-335. [PMID: 34645595 DOI: 10.1016/j.dld.2021.09.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND The role of mastication on gastroesophageal reflux disease (GERD) is unknown. AIMS To assess whether reduced masticatory function predicts GERD and esophageal dysphagia in patients investigated with upper endoscopy. METHODS In this cross-sectional study, 179 adult patients referred for elective upper gastrointestinal endoscopy agreed to participate. Before endoscopy, an expert dentist performed an oral examination and scored chewing function in three levels (normal, regular, and reduced). Patients replied questionnaires for assessment of GERD (heartburn, regurgitation, and dysphagia), xerostomia, and mastication (normal, regular, and reduced). Poor chewing was defined when either oral examination or mastication questionnaire rated the chewing function as reduced. Associations of mastication with GERD and dysphagia were estimated using Poisson regression. RESULTS Eleven patients were excluded. Among 168 analyzed (aging 49.8 ± 15.5 years; 58.9% women), 46 had reduced masticatory function (27.4%), and 122 had regular/normal mastication (72.6%). Reduced mastication was associated with GERD [PR = 1.38 (95%CI 1.12 - 1.70)], adjusting for age, and with esophageal dysphagia [PR = 2.03 (95%CI 1.02 - 4.04)], adjusting for age and xerostomia. CONCLUSIONS In outpatients referred for upper gastrointestinal endoscopy, reduced masticatory function defined by an expert dentist may be a risk factor for GERD and esophageal dysphagia.
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Affiliation(s)
- Roberta Neuwald Pauletti
- Programa de Pós-Graduação em Odontologia, Faculdade de Odontologia, Universidade de Passo Fundo (UPF), Passo Fundo-RS, Brazil
| | | | | | | | - Fernando Fornari
- Programa de Pós-Graduação em Odontologia, Faculdade de Odontologia, Universidade de Passo Fundo (UPF), Passo Fundo-RS, Brazil; Faculdade de Medicina, UPF, Passo Fundo, Brazil; Clínica Endopasso, Passo Fundo, Brazil.
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30
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Passia N, Ali S, Behrendt C, Fritzer E, Kohal RJ, Luthardt RG, Maltzahn NFV, Rädel M, Reissmann DR, Schwindling FS, Wolfart S, Kern M. Single mandibular implant study - chewing efficiency - 5-year results from a randomized clinical trial using two different implant loading protocols. J Prosthodont Res 2022; 66:610-617. [PMID: 35197416 DOI: 10.2186/jpr.jpr_d_21_00216] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
PURPOSE To investigate the chewing efficiency of edentulous patients wearing complete dentures, treated with a single implant in the mandible, placed underneath the existing mandibular dentures, using two different loading protocols (immediate loading or conventional loading), over an observation period of 5 years. METHODS One-hundred and fifty-eight (158) edentulous seniors aged 60-89 years received an implant in the midline of the lower jaw and were randomized either to the immediate loaded group A (n=81) or the conventional loaded group B (n=77). Chewing efficiency was obtained before treatment, one month after implant placement during the submerged healing phase (only group B) and 1, 4, 12, 24 and 60 months after implant loading. RESULTS After 5 years, chewing tests from 89 patients (45 in the immediate loading group and 44 in the conventional loading group) were available for every recall visit and thus statistically analyzed. The chewing efficiency increased over time in both groups. A significant increase was observed up to 4 months after loading (p≤0.05). Later, chewing efficiency further increased, but not significantly. Between the two loading protocols, chewing efficiency did not differ significantly (p>0.05) at any follow-up investigation. CONCLUSION A single mandibular implant placed underneath existing mandibular dentures improves chewing efficiency of edentulous patients significantly over an observation period of 5 years, irrespective of the loading protocol.
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Affiliation(s)
- Nicole Passia
- Department of Prosthodontics, Propaedeutics and Dental Materials, School of Dentistry, Christian-Albrechts University at Kiel, Germany.,Department of Prosthetic Dentistry, Faculty of Medicine Carl Gustav Carus, TU Dresden, Germany
| | - Shurouk Ali
- Department of Prosthodontics, Propaedeutics and Dental Materials, School of Dentistry, Christian-Albrechts University at Kiel, Germany
| | - Christoph Behrendt
- Department of Prosthodontics, Gerodontology and Biomaterials, Greifswald University Hospital, Germany
| | - Elfriede Fritzer
- Center for Clinical Studies, Christian-Albrechts University at Kiel, Germany
| | - Ralf Joachim Kohal
- Medical Center - University of Freiburg, Center for Dental Medicine, Department of Prosthetic dentistry, Faculty of Medicine, University of Freiburg, Germany
| | - Ralph G Luthardt
- Center of Dentistry, Department of Prosthetic Dentistry, Ulm University Hospital, Germany
| | | | - Michael Rädel
- Department of Prosthetic Dentistry, Faculty of Medicine Carl Gustav Carus, TU Dresden, Germany
| | - Daniel R Reissmann
- Center for Dental and Oral Medicine, Department of Prosthetic Dentistry, University Medical Center Hamburg-Eppendorf, Germany
| | | | - Stefan Wolfart
- Department of Prosthodontics and Biomaterials, Medical Faculty, RWTH Aachen University, Germany
| | - Matthias Kern
- Department of Prosthodontics, Propaedeutics and Dental Materials, School of Dentistry, Christian-Albrechts University at Kiel, Germany
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31
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Onclin P, Slot W, Vissink A, Raghoebar GM, Meijer HJA. Incidence of peri-implant mucositis and peri-implantitis in patients with a maxillary overdenture: A sub-analysis of two prospective studies with a 10-year follow-up period. Clin Implant Dent Relat Res 2022; 24:188-195. [PMID: 35137509 PMCID: PMC9304206 DOI: 10.1111/cid.13071] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 10/07/2021] [Accepted: 01/23/2022] [Indexed: 02/05/2023]
Abstract
Background Though studies on maxillary overdentures show satisfying results on implant survival, patient‐related outcomes and prosthetic complications, the epidemiology of peri‐implant diseases in this specific group of patients has hardly been reported. While the general patient‐level prevalence of peri‐implant mucositis and peri‐implantitis are estimated at ~45% and ~20%, respectively, the risk of developing these diseases within a specific period is less clear. To fully appreciate the epidemiology of peri‐implant diseases, more long‐term data on incidence of peri‐implant diseases are needed. Purpose The purpose of this sub‐analysis of two prospective studies was to assess the incidence of peri‐implant mucositis and peri‐implantitis in fully edentulous patients with implant‐retained maxillary overdentures during a 10‐year follow‐up period. Materials and Methods One hundred and sixteen patients treated with implant‐supported maxillary overdentures were available from two clinical trials. Data on biological complications, clinical and radiographical parameters were collected for 106 patients at 5‐year, for 82 patients at 10‐year follow‐up. The incidence was calculated following the consensus of the 2017 World Workshop on the Classification of Periodontal and Peri‐Implant Diseases and Conditions. Extent and severity then were calculated to enable an appropriate epidemiological description of peri‐implantitis. Results The patient‐level incidence of peri‐implant mucositis was 37.7% after 5 years and 64.6% after 10 years whereas the patient‐level incidence of peri‐implantitis was 10.4% after 5 years and 19.5% after 10 years. After 10 years, the extent of peri‐implant mucositis and peri‐implantitis is 52.8% and 43.8%, respectively. In terms of severity, 26.5% of all affected implants suffered from >3 mm bone loss and 17.6% of all affected implants was lost. Conclusion Three of five fully edentulous patients with implant‐supported maxillary overdentures experience peri‐implant mucositis after 10 years. Peri‐implantitis occurs in one of five patients after 10 years. In spite of these incidence rates, implant survival remains high.
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Affiliation(s)
- Pieter Onclin
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Wim Slot
- Department of Implant Dentistry, Dental School, University of Groningen, University Medical Center, Groningen, The Netherlands
| | - Arjan Vissink
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Gerry M Raghoebar
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Henny J A Meijer
- Department of Oral and Maxillofacial Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.,Department of Implant Dentistry, Dental School, University of Groningen, University Medical Center, Groningen, The Netherlands
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Liu M, Wang S, Chen H, Liu Y. A pilot study of a deep learning approach to detect marginal bone loss around implants. BMC Oral Health 2022; 22:11. [PMID: 35034611 PMCID: PMC8762847 DOI: 10.1186/s12903-021-02035-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 12/28/2021] [Indexed: 01/17/2023] Open
Abstract
Background Recently, there has been considerable innovation in artificial intelligence (AI) for healthcare. Convolutional neural networks (CNNs) show excellent object detection and classification performance. This study assessed the accuracy of an artificial intelligence (AI) application for the detection of marginal bone loss on periapical radiographs. Methods A Faster region-based convolutional neural network (R-CNN) was trained. Overall, 1670 periapical radiographic images were divided into training (n = 1370), validation (n = 150), and test (n = 150) datasets. The system was evaluated in terms of sensitivity, specificity, the mistake diagnostic rate, the omission diagnostic rate, and the positive predictive value. Kappa (κ) statistics were compared between the system and dental clinicians. Results Evaluation metrics of AI system is equal to resident dentist. The agreement between the AI system and expert is moderate to substantial (κ = 0.547 and 0.568 for bone loss sites and bone loss implants, respectively) for detecting marginal bone loss around dental implants. Conclusions This AI system based on Faster R-CNN analysis of periapical radiographs is a highly promising auxiliary diagnostic tool for peri-implant bone loss detection.
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Affiliation(s)
- Min Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology and National Engineering Laboratory for Digital and Material Technology of Stomatology and Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health and Beijing Key Laboratory of Digital Stomatology and National Clinical Research Center for Oral Diseases, 22 ZhongguancunNandajie, Haidian District, Beijing, 100081, China
| | - Shimin Wang
- Department of Prosthodontics, Peking University School and Hospital of Stomatology and National Engineering Laboratory for Digital and Material Technology of Stomatology and Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health and Beijing Key Laboratory of Digital Stomatology and National Clinical Research Center for Oral Diseases, 22 ZhongguancunNandajie, Haidian District, Beijing, 100081, China
| | - Hu Chen
- Department of Prosthodontics, Peking University School and Hospital of Stomatology and National Engineering Laboratory for Digital and Material Technology of Stomatology and Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health and Beijing Key Laboratory of Digital Stomatology and National Clinical Research Center for Oral Diseases, 22 ZhongguancunNandajie, Haidian District, Beijing, 100081, China.
| | - Yunsong Liu
- Department of Prosthodontics, Peking University School and Hospital of Stomatology and National Engineering Laboratory for Digital and Material Technology of Stomatology and Research Center of Engineering and Technology for Digital Dentistry of Ministry of Health and Beijing Key Laboratory of Digital Stomatology and National Clinical Research Center for Oral Diseases, 22 ZhongguancunNandajie, Haidian District, Beijing, 100081, China.
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Patients' Satisfaction and Oral Health-Related Quality of Life of Edentulous Patients Using Conventional Complete Dentures and Implant-Retained Overdentures in Saudi Arabia. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19010557. [PMID: 35010815 PMCID: PMC8744659 DOI: 10.3390/ijerph19010557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/23/2021] [Accepted: 12/29/2021] [Indexed: 11/28/2022]
Abstract
The aim of this study was to compare patients’ satisfaction and quality of life (QoL) when using implant overdentures vs. conventional dentures. The QoL of Saudi patients who were provided mandibular implant-supported overdentures was assessed using a structured questionnaire. Overall satisfaction; ability to speak, eat, and chew food; comfort; esthetics; stability; and satisfaction of general oral health were measured. A total of 48.3% vs. 6.9% were, overall, very satisfied with their implant overdentures and conventional dentures, respectively. A total of 37.9% of the patients were very satisfied regarding speaking with their implant overdentures vs. 17.2% with conventional dentures. Furthermore, 41.4% were very comfortable with their implant overdentures vs. 5.2% were very comfortable using conventional dentures. However, only 15.5% were very satisfied with the esthetics of the conventional dentures compared to 43.1% being satisfied with implant overdentures. Only 1.7% were very satisfied with the stability of conventional dentures vs. 44.8% being satisfied using implant overdentures. About 8.6% of the candidates were very satisfied regarding chewing food with conventional dentures vs. 36.2% being very satisfied using implant overdentures. Approximately 10.3% were very satisfied with their general oral health using conventional dentures compared to 29.3% being very satisfied using implant overdentures. Mandibular implant overdentures had a strong impact on patients’ quality of life over conventional complete dentures and should be considered the minimum standard of care provided to completely edentulous patients.
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Salgado TT, Gatti M, Genaro KF, Pegoraro LF, Berretin-Felix G. Duração da mastigação e da fase oral da deglutição em idosos com diferentes condições dentárias: análise clínica. REVISTA CEFAC 2022. [DOI: 10.1590/1982-0216/20222458122s] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
RESUMO Objetivo: mensurar o tempo total da mastigação e da fase oral da deglutição em idosos saudáveis, considerando diferentes consistências alimentares, a presença de dentes naturais e o tipo de reabilitação oral protética, bem como realizar comparação entre as condições dentárias e as consistências. Métodos: estudo transversal com 57 idosos saudáveis, entre 60 e 82 anos, distribuídos em grupo dentado (D) (n=15) e grupos reabilitados: próteses parciais fixas ou removíveis em uma ou ambas as arcadas (PP) (n=15); prótese total removível maxilar e mandibular (PTR) (n=15); prótese total - prótese removível superior e prótese implanto-suportada inferior (PTIS) (n=12). O tempo de duração (segundos) da mastigação e da fase oral da deglutição foi medido nas consistências: sólida (pão francês), pudim (10 ml) e líquida (10 ml). Resultados: idosos dentados saudáveis apresentaram os intervalos: líquido=1,07±0,35 s; pudim=3,48±1,76 s; e sólido=27,88±7,11 s. Foram observadas diferenças estatisticamente significativas entre os grupos D e PTIS (p=0,0056) e entre D e PTR (p=0,0056) para líquido. Para todos os grupos, houve aumento estatisticamente significante entre as consistências líquida e sólida e entre pastosa e sólida (p<0,001). Conclusões: idosos dentados apresentaram menor tempo de fase oral da deglutição para líquidos do que idosos edêntulos totais reabilitados, mas não diferente dos idosos com prótese parcial. O tempo de mastigação e deglutição do alimento sólido foi maior que o das demais consistências, independente da condição dentária.
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Salgado TT, Gatti M, Genaro KF, Pegoraro LF, Berretin-Felix G. Duration of mastication and oral phase of swallowing in the elderly with different dental conditions: a clinical analysis. REVISTA CEFAC 2022. [DOI: 10.1590/1982-0216/20222458122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
ABSTRACT Purpose: to measure the total time of mastication and oral phase of swallowing in healthy elderly people, considering different food consistency, the presence of natural teeth, and the type of prosthetic oral rehabilitation, as well to compare dental conditions and consistencies. Methods: a cross-sectional study with 57 healthy elderly people, aged between 60 and 82 years, divided into: dentate group (D) (n=15); and rehabilitated groups; PD: fixed or removable partial dentures in one or both arches (n=15); CRD: maxillary and mandibular complete removable dentures (n=15); ISCD: complete dentures - maxillary removable denture and mandibular implant-supported dentures (n=12). The duration time (seconds) of chewing and of the oral phase of swallowing was measured in the consistencies: solid (a roll slice), pudding (10 ml) and liquid (10 ml). Results: healthy dentate elderly subjects had the following intervals: liquid=1.07±0.35 s; pudding=3.48±1.76 s; and solid=27.88±7.11 s. Statistically significant differences were observed between the D and ISCD groups (p=0.0056) and between D and CRD (p=0.0056) for liquid. For all groups, there was a statistically significant increase between liquid and solid consistencies and between pasty and solid ones (p<0.001). Conclusions: the dentate elderly had shorter oral phase time of swallowing for liquids than the rehabilitated edentulous elderly, but not different from the elderly with partial dentures. Chewing and swallowing time for solid food was longer than that for the other consistencies, regardless of dental condition.
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A 5-Year Satisfaction Outcome Study of Patients Receiving Six-Implant-Supported Fixed Prosthesis. Clin Pract 2021; 11:827-834. [PMID: 34842653 PMCID: PMC8628808 DOI: 10.3390/clinpract11040097] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/28/2021] [Accepted: 11/01/2021] [Indexed: 01/29/2023] Open
Abstract
The aim of the study was to analyze the satisfaction of patients treated with a protocol of six-implant-supported fixed prosthesis (6IFP) throughout 5 years of service. This retrospective study collected the data of all patients who had full-arch rehabilitations using 6IFP and followed them for 5 years. After applying the research inclusion/exclusion strategy, 37 cases were finally included in the study. All the patients had no previous complete dentures because they were partially edentulous, not interested in pursuing complete denture rehabilitation, had immediate dental extractions, implantation used the 2-stage protocol, and there was minor peri-implant socket grafting. Cases with severe bone loss that required extensive grafting were excluded. A total number of 222 implants were placed in the maxillary or mandibular arches in a total of 37 patients. The data presented the satisfaction outcomes concerning mastication, phonetics, and comfort during the first 5 years of the recall plan. The former was achieved based on the clinical record reviews, follow-up visits, and recall phone calls at the preoperative stage as well as annually thereafter. The mean satisfaction rate was 94.5%, with a mean record of 8.21 ± 1.7 out of 10, there was no gender predilection significance, and no age range variation significance was validated. Regarding the smoking status, the t-test score exhibited no significant effect on phonetics and mastication (p = 0.12, p = 0.16, respectively), whereas comfort was found to be significantly affected (p = 0.03). The comfort level was found to be slightly less at the immediate postoperative period among smokers when compared to non-smokers. In conclusion, partially edentulous patients who received the rehabilitation plan of arch dental extractions, six immediate implantations, and delayed prosthetic loading were found to be highly satisfied.
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Patient-Centered Treatment Outcomes with Full-Arch PEEK Rehabilitation Supported on Four Immediate or Conventionally Loaded Implants. A Randomized Clinical Trial. J Clin Med 2021; 10:jcm10194589. [PMID: 34640607 PMCID: PMC8509672 DOI: 10.3390/jcm10194589] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/25/2021] [Accepted: 09/30/2021] [Indexed: 12/14/2022] Open
Abstract
This study aims to assess the treatment outcomes (functional and subjective) of full-arch fixed hybrid rehabilitations made of PEEK (poly-ether-ether-ketone) with milled crowns of nano-filled composite (NFC) supported on four to six implants. In this randomized clinical trial, 34 edentate patients in the upper and/or the lower jaws were treated with the fixed hybrid dentures. In 16 patients (47.1% of the sample), the implants were loaded immediately (IL) by means of a provisional fixed rehabilitation made of PMMA (polymethylmethacrylate) screwed on Multi-Unit (MU) abutments connected after emplacement of the implant; however, in the counterparts (n = 18) these MU abutments were covered by healing caps and were left unloaded during two months (conventional loading protocol—CL), when all patients received a fixed hybrid PEEK-NFC rehabilitation on the upper and/or the lower jaw. Treatment outcomes were assessed 12 months after prostheses delivery. Functional outcomes were calculated according to masticatory performance, estimated by mixing ability tests of two colored chewing gums after ten chewing strokes, by the occlusal force/area recorded by pressure-sensitive sheets, and by electromyography of masseters and temporal muscles at maximum biteforce. The subjective outcomes of the treatment were assessed using both the oral satisfaction scale (visual analog scale) and the Spanish version of the Oral Health Impact Profile (OHIP-20). The findings of the present study showed that treatment with fixed PEEK-NFC hybrid prostheses significantly improved the masticatory performance, bite force, occlusal pattern, quality of life, and satisfaction, with the IL group being those with significantly higher occlusal bite forces and greater satisfaction in comparison with CL group. It should be concluded that PEEK-NFC hybrid prostheses can improve several patient-centered outcomes and that loading protocol significantly affects the patient’s self-rated satisfaction.
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Functional and Patient-Centered Treatment Outcomes with Mandibular Overdentures Retained by Two Immediate or Conventionally Loaded Implants: A Randomized Clinical Trial. J Clin Med 2021; 10:jcm10163477. [PMID: 34441773 PMCID: PMC8396916 DOI: 10.3390/jcm10163477] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/19/2021] [Accepted: 07/22/2021] [Indexed: 10/25/2022] Open
Abstract
This study aims to assess the treatment outcomes (functional and subjective) of mandibular overdentures retained on two implants with or without an immediate loading protocol. In this randomized clinical trial, twenty fully edentulous patients were treated with a mandibular two-implant-retained overdenture and a complete new maxillary denture. In half of the sample, the implants were loaded immediately by means of VulkanLoc® abutments after emplacement of the implant, but in the counterparts, these VulkanLoc® abutments were connected to implants two months after the surgery (conventional protocol), and until that time the dentures were retained by healing abutments. Treatment outcomes were assessed at two, six, and twelve months after surgery. Functional outcomes were calculated according to masticatory performance, estimated by the mixed fraction of a two-coloured chewing gum after five, ten, and fifteen chewing strokes, by the occlusal force recorded by pressure-sensitive sheets, and by the bioelectrical muscular activity. The subjective outcomes of the treatment were assessed using both the oral satisfaction scale (visual analogue scale) and the Spanish version of the Oral Health Impact Profile (OHIP-20). The findings of the present study show that new complete dentures resulted in significant improvements in chewing ability, patient satisfaction, and oral health-related quality of life and that subsequent implant-retained overdentures produced further and faster significant improvements. The loading protocol may influence those positive self-reported outcomes rather than the objective functional evaluations.
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Mortality in Edentulous Patients: A Registry-Based Cohort Study in Sweden Comparing 8463 Patients Treated with Removable Dentures or Implant-Supported Dental Prostheses. Int J Dent 2021; 2021:9919732. [PMID: 34373694 PMCID: PMC8349274 DOI: 10.1155/2021/9919732] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 07/11/2021] [Indexed: 02/08/2023] Open
Abstract
Objectives The purpose of this study was to investigate if edentulism is associated with all-cause mortality. The aims were to analyze the association between age, socioeconomic factors, and mortality in edentulous patients treated with either removable dentures or implant-supported prostheses. Methods All patients who became edentulous according to the Swedish Social Insurance Agency (SSIA) between 2009 and 2013 (N = 8463) were analyzed regarding prosthetic treatment, age, gender, and socioeconomic status. The patients were divided into two groups, depending on whether they were treated with dental implants (implant group; IG) or with conventional removable dentures (denture group; DG). Data on mortality for all included individuals were obtained from the Swedish National Cause of Death Register and compared to a reference population. Cumulative survival rates were calculated, and a multivariable regression analysis for the included variables was performed. Results Between 2009 and 2018, 2192 of the patients (25.9%) were treated with implant-supported dental prostheses (IG) and 6271 patients (74.1%) were treated with removable dentures without support of dental implants (DG). Altogether 2526 patients (30%) died until December 31, 2019, and the overall mortality was significantly higher for the DG compared to the IG during follow-up (p < 0.001). Younger edentulous patients (≤59 years) presented a higher mortality than the reference population, while implant patients over 79 years of age demonstrated a lower mortality. The final results from the multivariable logistic analysis showed that lower equalized disposable income (EDI) and the choice of conventional removable dentures are the most important factors for increased patient mortality (p < 0.001). Conclusions Edentulous patients have an overall higher mortality compared to a reference population. Low socioeconomic status increases all-cause mortality. Individuals treated with dental implants show statistically significant lower 10-year mortality compared to patients treated with conventional removable dentures, regardless of socioeconomic status.
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Gray D, Patel J. Implant-supported overdentures: part 1. Br Dent J 2021; 231:94-100. [PMID: 34302089 DOI: 10.1038/s41415-021-3224-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 12/03/2020] [Indexed: 11/09/2022]
Abstract
The ability to provide high-quality complete dentures is a key skill for the GDP. The increasing prevalence and utilisation of implant-supported overdentures has opened the possibility of a wide variety of treatment options to support patient care, while also creating the need for primary care practitioners to have a greater awareness of commonly used prosthetic attachments.A thorough understanding of the advantages and disadvantages of implant-supported overdentures is essential to ensuring appropriate treatment planning, consent and maintenance. This two-part series explores various aspects of implant-supported overdentures including assessment of the patient, treatment planning, different attachment systems and maintenance requirements.Part one will explore availability of implants in the NHS, the commonly available implant attachment systems, including their relative advantages and disadvantages.
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Affiliation(s)
- David Gray
- Leeds Dental Institute, The Worsley Building, Clarendon Way, LS2 9LU, UK
| | - Jaymit Patel
- Leeds Dental Institute, The Worsley Building, Clarendon Way, LS2 9LU, UK.
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Jockusch J, Hopfenmüller W, Nitschke I. Chewing function and related parameters as a function of the degree of dementia: Is there a link between the brain and the mouth? J Oral Rehabil 2021; 48:1160-1172. [PMID: 34288029 PMCID: PMC9291087 DOI: 10.1111/joor.13231] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 06/23/2021] [Accepted: 07/06/2021] [Indexed: 02/06/2023]
Abstract
Background To date, no study has investigated the association between chewing function and related parameters as a function of the degree of dementia using a finer subdivision of the values of the Mini‐Mental State Examination (MMSE). Objective This study aimed to investigate the differences in chewing function and related parameters as a function of the degree of dementia. Methods An analysis of cross‐sectional data obtained from the OrBiD (Oral Health, Bite Force, and Dementia) pilot study was performed. The participants were stratified into five groups based on the outcomes of the MMSE (no dementia, MMSE 28–30; mild cognitive impairment, MMSE 25–27; mild dementia, MMSE 18–24; moderate dementia, MMSE 10–17; severe dementia, MMSE <10). The chewing efficiency, maximum occlusal force and related parameters (number of supporting zones, number of teeth, Eichner index, tooth/denture status, denture quality, and dental treatment needs) were recorded. Results The MMSE groups showed significantly different chewing efficiencies (p = .003, Jonckheere‐Terpstra test) and maximum occlusal forces (p = .003, Jonckheere‐Terpstra test), but the number of supporting zones (p = .055, chi‐square test) and the number of natural teeth (p = .126, chi‐square test) were not different. The Eichner index, tooth/denture status, denture quality and dental treatment need showed no significant associations with the degree of dementia. Conclusion An improvement in the usability of the measurement methods for assessing chewing function in people with dementia is needed. Research involving people with dementia is necessary because the nutritional situation often deteriorates rapidly within a multifactorial system, which includes chewing ability and oral health.
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Affiliation(s)
- Julia Jockusch
- University Research Priority Program "Dynamics of Healthy Aging", University of Zurich, Zurich, Switzerland
| | - Werner Hopfenmüller
- Institute of Biometry and Clinical Epidemiology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Ina Nitschke
- Clinic of General, Special Care and Geriatric Dentistry, Center of Dental Medicine, University of Zurich, Zurich, Switzerland.,Department of Prosthodontics and Materials Science, Gerodontology Section, University of Leipzig, Leipzig, Germany
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Abdoel SF, Haagedoorn SS, Raghoebar GM, Meijer HJA. Implant-supported mandibular overdentures: a retrospective case series study in a daily dental practice. Int J Implant Dent 2021; 7:64. [PMID: 34235585 PMCID: PMC8263826 DOI: 10.1186/s40729-021-00345-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Accepted: 04/21/2021] [Indexed: 11/22/2022] Open
Abstract
Background Evaluation of dental implant treatment is mostly based on studies with well-controlled study groups treated within a university-based setting. There are no long-term observational practice-based studies known on implant-supported overdentures. The present retrospective study deals with implant survival, peri-implant hard and soft tissue health, surgical and prosthetic aftercare, and satisfaction of patients treated with an implant-supported mandibular overdenture in a daily dental practice. Materials and methods Within the years 2006 till 2015, 295 patients were treated with two, three, or four implants for mandibular overdenture treatment in a daily dental practice in Zaandam, The Netherlands. Outcome parameters were scored at a routine yearly inspection including implant loss, plaque index, gingival index, bleeding index, presence of calculus, probing depth, and satisfaction with implant-supported overdenture. Radiographic analysis was performed to assess peri-implant bone changes. Surgical and prosthetic aftercare was obtained from the medical record. Results A total of 133 patients were seen for an evaluation visit (mean follow-up 51.2 months). Cumulative implant survival rate in the 2-implant group, 3-implant group, and 4-implant group was 100%, 99.1%, and 97.8% respectively, with a mean peri-implant bone loss of 0.53 mm, 0.61 mm, and 0.40 mm. Patients’ satisfaction was high in all groups. Conclusion It was demonstrated, within the limitations of this study, that patients, who were treated with an implant-supported mandibular overdenture in a daily dental practice, experienced a high cumulative implant survival rate and a good peri-implant health, and were very satisfied. Trial registration Netherlands Trial Register, NL8867. Registered 15 September 2020—retrospectively registered.
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Affiliation(s)
- Shebrina F Abdoel
- General Dental Practice DentalZorg Zaandam, Zaandam, The Netherlands
| | | | - Gerry M Raghoebar
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, PO Box 30.001, NL-9700 RB, Groningen, The Netherlands
| | - Henny J A Meijer
- Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, PO Box 30.001, NL-9700 RB, Groningen, The Netherlands. .,Department of Implant Dentistry, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands.
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ElGabry HS. A Seven-year Follow-up Study of Patient Satisfaction with Three-implant-retained Mandibular Overdentures. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.5896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
PURPOSE: This study aimed to compare patients’ satisfaction with mandibular overdentures retained by three-splinted implants versus conventional complete denture wearers during a 7-year follow-up study period.
MATERIALS AND METHODS: Thirty edentulous male patients (mean age: 60 years) were carefully selected and divided into two equal groups. All patients received a new set of complete dentures. Group I patients received three implants in the anterior mandible and were connected after 3 months with bars, clips, and loaded. Group II patients received conventional complete dentures. Patients’ satisfaction was recorded for both groups at 3 weeks (baseline) and after 1, 3, 5, and 7 years. Patients were then asked to grade their overdentures/dentures on a visual analog scale and written questionnaire to evaluate their overall satisfaction.
RESULTS: Satisfaction scores of Group I patients were found to be statistically significantly higher than that of Group II patients (p < 0.05) at 3, 5, and 7 years follow-up, meanwhile, no statistically significant difference was found at baseline or after 12 months.
CONCLUSION: The long-term results suggest that three-implant-retained mandibular overdenture with a clip-bar attachment appears to be a successful rehabilitation strategy which is superior to conventional dentures for patients with advanced ridge resorption.
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Pinheiro MA, do Amaral CF, Meira IA, Carletti TM, Câmara-Souza MB, Souza CSV, de Moraes M, Rodrigues Garcia RCM. Single implant overdenture reinforced with a metallic framework: A 2-year clinical follow-up. SPECIAL CARE IN DENTISTRY 2021; 41:607-618. [PMID: 33964178 DOI: 10.1111/scd.12601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/08/2021] [Accepted: 04/24/2021] [Indexed: 11/29/2022]
Abstract
INTRODUCTION To prevent single-implant overdenture (SIO) fracture, the inclusion of a framework in the overdenture has been suggested. However, no investigations verified their benefits. OBJECTIVE To evaluate prosthetic maintenance events, patient satisfaction, and mastication of SIO reinforced by metallic framework users. MATERIAL AND METHODS Fifteen volunteers had a new set of complete dentures converted into an SIO containing a framework. Maintenance events were recorded, while patient satisfaction was assessed using a visual analog scale. Masticatory performance (MP) was evaluated using the sieving method, maximum bite force (MBF) by pressure sensors, and masseter thickness by ultrasound. Measurements were performed 2, 12, and 24 months after SIO use. Repeated-measures ANOVA and paired Student's t-tests (p < 0.05) were applied. RESULTS Matrix exchange was the most prevalent maintenance event (83.6%), and no SIO was fractured during the entire follow-up. Satisfaction with the SIO stability decreased (p < 0.01) after 12 months. MP did not change between evaluations (p > 0.05). Conversely, MBF and masseter thickness improved after 12 and 24 months of SIO use (p < 0.05). CONCLUSIONS Reinforced SIO did not fracture during 2 years but requires maintenance. It improves bite force and muscle thickness, maintaining MP values. Satisfaction with SIO stability decreased in the first year of use.
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Affiliation(s)
- Mayara Abreu Pinheiro
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Camilla Fraga do Amaral
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Ingrid Andrade Meira
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Talita Malini Carletti
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Mariana Barbosa Câmara-Souza
- Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Carolina Santos Ventura Souza
- Department of Oral and Maxillofacial Surgery, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
| | - Marcio de Moraes
- Department of Oral and Maxillofacial Surgery, Piracicaba Dental School, University of Campinas, Piracicaba, São Paulo, Brazil
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ÖZDAL ZİNCİR Ö. Sosyal medya kullanıcılarına sağlanan All-on-4 dental implant sistemi hakkındaki bilgilerin yararlılığı. ACTA ODONTOLOGICA TURCICA 2021. [DOI: 10.17214/gaziaot.784657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Agustín-Panadero R, Mañes-Ferrer JF, Bustamante-Hernández N, Solá-Ruíz MF, Fons-Badal C, Fernández-Estevan L. Implant-supported overdenture with horizontal insertion for treating the edentulous atrophic maxilla: A case series. J Prosthet Dent 2021; 128:942-948. [PMID: 33715832 DOI: 10.1016/j.prosdent.2021.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 02/01/2021] [Accepted: 02/01/2021] [Indexed: 11/16/2022]
Abstract
STATEMENT OF PROBLEM Rehabilitation of edentulous patients with severe maxillary atrophy is a clinical challenge. Although several treatment options are available, the implant-supported overdenture has been widely advocated. However vertical insertion implant-supported overdentures have drawbacks, including wear, aging, and the continuous maintenance of retention systems. Whether an implant-supported overdenture with a horizontal insertion pathway can overcome these problems is unclear. PURPOSE The purpose of this observational study was to determine the clinical and biological behavior of a new type of implant-supported overdenture with a horizontal insertion pathway over a mean clinical follow-up period of 6 years. MATERIAL AND METHODS Ten study participants with an atrophic maxilla underwent rehabilitation with horizontal overdentures supported by 6 implants. Follow-up visits were scheduled at 3 months, 6 months, and annually thereafter. The variables analyzed were implant and prosthetic survival, peri-implant tissue behavior, mechanical complications, and patient satisfaction. RESULTS The follow-up period ranged from 5 to 8 years, mean ±standard deviation 6.3 ±1.2 years. A total of 60 implants and 10 horizontal overdentures were placed. The clinical survival of the implants was 98.3% (mean peri-implant bone loss, 1.3 ±0.4 mm) and was 80% of the prostheses. Overall, mean patient satisfaction as assessed with a visual analog scale was 7.4, with 8.5 for esthetics and 9.5 for function. CONCLUSIONS The horizontal implant-supported overdenture provided a functional alternative to conventional prostheses.
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Affiliation(s)
- Rubén Agustín-Panadero
- Adjunct Professor, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Jose Félix Mañes-Ferrer
- Associate Professor, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Naia Bustamante-Hernández
- Post Graduate student in Buccofacial Prosthetics, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain.
| | - María Fernanda Solá-Ruíz
- Adjunct Professor, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Carla Fons-Badal
- Associate Professor, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Lucía Fernández-Estevan
- Associate Professor, Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
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Bezerra AP, Gama LT, Pereira LJ, van der Bilt A, Peyron MA, Rodrigues Garcia RCM, Gonçalves TMSV. Do implant-supported prostheses affect bioavailability of nutrients of complete and partially edentulous patients? A systematic review with meta-analysis. Clin Nutr 2021; 40:3235-3249. [PMID: 33676775 DOI: 10.1016/j.clnu.2021.02.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 01/29/2021] [Accepted: 02/10/2021] [Indexed: 02/08/2023]
Abstract
BACKGROUND & AIMS Debate still exists about the impact of dental implant-supported prostheses on nutritional status of partially and complete edentulous patients. This review aims to answer the focused question: "Do complete and partial edentulous patients, using implant-supported prostheses, present better nutritional and masticatory functions when compared to those using conventional rehabilitations?". A possible cause-effect relationship between masticatory improvements and nutritional gain was also evaluated. METHODS Literature search included 6 databases (PubMed/Medline, Embase, LILACS, Scopus, Web of Science, and The Cochrane Library - CENTRAL), grey literature (Google Scholar, Proquest Dissertations and Thesis and Open Grey databases) and manual search (last update June 2020), without language, publication time and follow-up restrictions. We included only studies evaluating both masticatory and nutritional outcomes. The PICO question comprised complete and partial edentulous patients (Population), submitted to implant-supported prostheses (Intervention), in comparison to conventional dental prosthetic rehabilitation, evaluating masticatory function and nutrition parameters (outcomes). Risk of bias was assessed by using Cochrane Collaboration's tool (randomized clinical trials), Joanna Briggs Institute critical appraisal checklist (paired clinical trials), and Meta-Analysis of Statistics Assessment and Review Instrument" (JBI - MAStARI) critical appraisal tools (cohort studies). All meta-analyses were conducted at 5% level of significance. This report followed the PRISMA guidelines. (Review registration PROSPERO - CRD42019135744). RESULTS We identified 1199 articles while searching databases. Fourteen articles met eligibility criteria, including 817 prostheses installed in 660 patients (mean age = 66.8 years-old). Patients wearing implant overdentures (IOD) presented better masticatory function in comparison to conventional complete denture (CD) wearers (p < 0.05). However, bioavailability of several nutrients remained within the same range, except for serum folate that was lower in IOD patients after 6 (mean difference 3.51 nmol/L; p = 0.01) and 12 months of rehabilitation (mean difference 3.69 nmol/L; p = 0.003). When comparing the effects of CD and IOD rehabilitations along time (for the same patient), serum albumin and vitamin B12 levels also decreased for both groups after 12 months-follow-up, but still within the reference range. The additional retention of the implants did not interfere in body weight, but reduced the risk of malnutrition (using the Mini Nutritional Assessment). Implant-supported partial prostheses also improved mastication in comparison to the conventional ones, increasing short-term daily intake of carbohydrates, protein, calcium, fiber, and iron, whereas decreasing the consumption of cholesterol. However, no long-term changes on bioavailability of most nutrients were observed, expect for a slight increase in ferritin and cholinesterase, and a small reduction in folate and Vitamin A. CONCLUSION Current evidence indicates significant masticatory improvements for dental fixed implant-supported prostheses in comparison to conventional removable prostheses. However, bioavailability remained stable for most of the nutrients, especially for complete edentulous patients. These results indicate the importance of a multidisciplinary approach during oral rehabilitation (nutrient specialist), in order to enhance food choices and promote health benefits to the patients.
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Affiliation(s)
- Adriana Pinto Bezerra
- Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Santa Catarina, Brazil
| | - Lorena Tavares Gama
- Department of Prosthodontics and Periodontology, State University of Campinas (UNICAMP), Piracicaba, São Paulo, Brazil
| | - Luciano José Pereira
- Department of Health Sciences, Federal University of Lavras (UFLA), Lavras, Minas Gerais, Brazil
| | - Andries van der Bilt
- Department of Oral-Maxillofacial Surgery, Prosthodontics and Special Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Marie-Agnès Peyron
- Université Clermont Auvergne, INRAE Centre, Human Nutrition Unit, Clermont-Ferrand, France
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Mascaro MB, Picoli LC, Reis Matos ST, Sipos Lotaif SC, De Souza MR, Calderon MF. Anatomical Variation in the Mandibular Foramen in Non-Atrophic and Atrophic Mandibles. EJOURNAL OF ORAL MAXILLOFACIAL RESEARCH 2021; 11:e4. [PMID: 33598112 PMCID: PMC7875102 DOI: 10.5037/jomr.2020.11404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Accepted: 12/28/2020] [Indexed: 11/29/2022]
Abstract
Objectives Previous studies of variation in mandibular foramen characteristics with age have involved comparison in different populations, but few data, between non-atrophic and atrophic mandibles are available. The aim of this original article was to compare the position, shape and area of the mandibular foramen between non-atrophic and atrophic mandibles. Material and Methods Morphometric methods were used to study the mandibular foramen variation. Fifty adult dry mandibles from the laboratory of anatomy were selected. Mandibles were considered non-atrophic if the distance between the base and alveolar ridge was homogeneous and greater than 25 mm in the anterior region and 20 mm in the posterior region. Conversely, mandibles were considered atrophic if that distances were lower than those described to a minimum of 11 mm in all areas. All measurements were performed with a digital caliper. For statistical analysis, the admitted level of significance was 5%. Results When non-atrophic mandibles were compared to atrophic ones, the mandibular foramen shifted significantly to an anterior position (mean difference [MD]: 4.81 mm; P < 0.0001) and to an inferior position (MD: 3.04 mm; P < 0.0001) and changed from an elliptical shape to round one, with a significant decrease in its area (MD: 3.66 mm2; P < 0.05). Conclusions The results indicate that there are significant differences in the position, shape and area of the mandibular foramen between non-atrophic and atrophic mandibles. These data should be considered in anaesthetic techniques and surgical procedures to prevent vascular and nervous lesions.
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Affiliation(s)
- Marcelo Betti Mascaro
- Discipline of Morphology, School of Dentistry, Nove de Julho University (UNINOVE), São Paulo, SPBrazil
| | - Lara Cristina Picoli
- Discipline of Morphology, School of Dentistry, Nove de Julho University (UNINOVE), São Paulo, SPBrazil
| | - Stefany Torres Reis Matos
- Discipline of Morphology, School of Dentistry, Nove de Julho University (UNINOVE), São Paulo, SPBrazil
| | | | - Mônica Rodrigues De Souza
- Discipline of Morphology, School of Dentistry, Nove de Julho University (UNINOVE), São Paulo, SPBrazil
| | - Marcelo Ferreira Calderon
- Discipline of Morphology, School of Dentistry, Nove de Julho University (UNINOVE), São Paulo, SPBrazil
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Xia Y, Ma C, Chen J, Witter DJ, Zhang Q, Creugers NHJ. Mandibular residual ridge morphology in relation to complete dentures and implant overdentures-Part II: Predictors for effectiveness of implant overdenture therapy. Clin Implant Dent Relat Res 2021; 23:140-148. [PMID: 33592681 DOI: 10.1111/cid.12975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 11/20/2020] [Accepted: 12/17/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND The significance of mandibular residual ridge height and satisfaction with conventional complete dentures (CCD) as predictors for the added value of implant-overdenture (IOD) therapy is unknown. PURPOSE To investigate the predictive value of thresholds for (1) residual ridge height at premolar location (PRH), and (2) satisfaction with CCD-stability for the added value of two intraforaminal implants supporting the mandibular CCD. METHODS Thirty CCD wearing patients (67.9 ± 7.0 years) for whom a new CCD was advised, received a new CCD. Mandibular gypsum models were digitally measured. After 3 months free of complaints (T1), perceived CCD-stability was evaluated, and participants received two intraforaminal implants. At T1 and T2 (3 months free of complaints after IOD therapy) participants completed OHIP14-CN, and denture satisfaction (VAS) questionnaires, and performed mixing ability tests. Participants were grouped according to PRH of ≥6.15 mm versus < 6.15 mm, and perceived CCD-stability satisfied vs. dissatisfied. Scores at T2 were compared to T1 (paired t-tests). Predictive values of PRH and CCD-stability were analyzed with logistic multivariate regression models. RESULTS At T2, only participants with PRH of <6.15 mm or dissatisfied with CCD-stability had significant lower OHIP-total and domain scores for 'physical pain' and 'physical disability' and significantly higher VAS scores for perceived chewing function, denture retention and oral comfort. Regression analyses showed that participants with PRH of <6.15 mm, or dissatisfied with CCD-stability had significantly higher chance for lower OHIP-total and domain scores 'physical pain' and 'physical disability', and for higher VAS scores for perceived chewing function, denture retention and oral comfort at T2. Masticatory performance improved significantly after IOD therapy, but independent of PRH and CCD-stability. CONCLUSION PRH and satisfaction with CCD-stability were adequate prognostic indicators for improvement of oral health-related quality of life and denture satisfaction by mandibular IOD therapy.
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Affiliation(s)
- Yuning Xia
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Chufan Ma
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China.,Air Force Medical Center, Fourth Military Medical University, Beijing, China
| | - Jihua Chen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Dick J Witter
- Department of Oral Function and Prosthetic Dentistry, College of Dental Science, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Qian Zhang
- Department of Oral Function and Prosthetic Dentistry, College of Dental Science, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Nico H J Creugers
- Department of Oral Function and Prosthetic Dentistry, College of Dental Science, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
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Xia Y, Ma C, Chen J, Witter DJ, Zhang Q, Creugers NHJ. Mandibular residual ridge morphology in relation to complete dentures and implant overdentures-Part I: Predictors for perceived conventional denture stability. Clin Implant Dent Relat Res 2021; 23:131-139. [PMID: 33592676 DOI: 10.1111/cid.12976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 11/20/2020] [Accepted: 12/17/2020] [Indexed: 11/26/2022]
Abstract
BACKGROUND There is lack of reliable predictors for success of conventional complete denture (CCD) therapy, which in turn might affect the effectiveness of subsequent implant-retained overdenture (IOD) therapy. PURPOSE To investigate relationships between digitally obtained geometrical mandibular residual ridge measures and perceived CCD-stability. MATERIALS AND METHODS 30 CCD wearing patients (67.9 ± 7.0 years) for whom a new set of CCDs was advised, were treated with new CCDs. Digitalized mandibular gypsum models were measured using the Geomagic Studio 2013 software. Data were obtained for (1) height, width, and cross-section surface area of the residual ridge at different locations (midline, premolar, and anterior edge of retromolar pad) and (2) denture base surface area. Scatter plots and multivariate regression analyses were used to investigate associations between the geometric data and denture base surface area, and correlated with denture stability scores (Spearman rank test). RESULTS Scatter plots showed that best model fit for denture base surface area was mean ridge height (R2 = 0.906). Multivariate regression showed that height at premolar location (p = 0.001) had largest effect on denture base surface area (R2 = 0.796). Ridge morphology variables, except width at midline location, were significantly correlated with CCD-stability (p-values <0.05). CCD-stability was significantly correlated with denture base surface area (p ≤ 0.001). CONCLUSION Residual ridge height at premolar location was most predictive for denture base surface area and perceived CCD-stability.
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Affiliation(s)
- Yuning Xia
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Chufan Ma
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China.,Air Force Medical Center, Fourth Military Medical University, Beijing, China
| | - Jihua Chen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, China
| | - Dick J Witter
- Department of Oral Function and Prosthetic Dentistry, College of Dental Science, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Qian Zhang
- Department of Oral Function and Prosthetic Dentistry, College of Dental Science, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
| | - Nico H J Creugers
- Department of Oral Function and Prosthetic Dentistry, College of Dental Science, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
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