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Mansour A, Acharya AB, Alliot C, Eid N, Badran Z, Kareem Y, Rahman B. Hyaluronic acid in Dentoalveolar regeneration: Biological rationale and clinical applications. J Oral Biol Craniofac Res 2024; 14:230-235. [PMID: 38510340 PMCID: PMC10950752 DOI: 10.1016/j.jobcr.2024.02.010] [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] [Received: 06/21/2023] [Revised: 01/17/2024] [Accepted: 02/23/2024] [Indexed: 03/22/2024] Open
Abstract
Background Hyaluronic acid (HA) is found in different locations in the periodontium, including mineralized tissues (i.e., cementum and alveolar bone) and non-mineralized tissues (i.e., gingiva and periodontal ligament). In addition, it seems to play an essential part in regulating the underlying mechanisms involved in tissue inflammatory reactions and wound healing. HA has the potential to regulate periodontal tissue regeneration and treat periodontal disease. Aim The current review of the literature was conducted to assess how HA plays its part in periodontal therapy and examine the contemporary literature's viewpoint on its use in periodontal regeneration. Conclusion HA has a multifunctional character in periodontal regeneration, and healing and appears to provide promising outcomes in different periodontal regenerative applications.
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Affiliation(s)
- Alaa Mansour
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Anirudh Balakrishna Acharya
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Charles Alliot
- Department of Periodontology, Faculty of Dental Surgery, University of Nantes, Nantes, France
| | - Nael Eid
- Prosthodontics Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Zahi Badran
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
| | - Yousef Kareem
- College of Dentistry, King Saud University, Riyadh, Saudi Arabia
| | - Betul Rahman
- Periodontology Unit, Department of Preventive and Restorative Dentistry, College of Dentistry, Sharjah University, United Arab Emirates
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Lupi SM, De Martis D, Todaro C, Isola G, Beretta M, Rodriguez y Baena R. Conometric Connection for Implant-Supported Crowns: A Prospective Clinical Cohort Study. J Clin Med 2023; 12:7647. [PMID: 38137716 PMCID: PMC10743547 DOI: 10.3390/jcm12247647] [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: 10/30/2023] [Revised: 12/04/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Traditional screw or cemented connections in dental implants present limitations, prompting the exploration of alternative methods. This study assesses the clinical outcomes of single crowns and fixed partial prostheses supported by conometric connections after one year of follow-up. METHODS Twenty-two patients received 70 implants, supporting 33 rehabilitations. Biological responses and prosthodontic complications were evaluated at baseline, 6 months, and 12 months. RESULTS All implants exhibited successful osseointegration, with no losses or peri-implant inflammation. Marginal bone levels showed minimal changes, well below pathological thresholds. The difference in marginal bone loss (MBL) was -0.27 ± 0.79 mm between T0 and T1, and -0.51 ± 0.93 mm between T0 and T2. No abutment screw loosening or crown chipping occurred. However, coupling stability loss was observed in nine cases. CONCLUSIONS The conometric connection demonstrated successful integration and minimal complications after one year. This alternative shows promise, particularly in simplifying handling and improving marginal adaptation. Further research with larger sample sizes and longer follow-up is warranted for comprehensive validation.
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Affiliation(s)
- Saturnino Marco Lupi
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, School of Dentistry, University of Pavia, 27100 Pavia, Italy; (S.M.L.); (D.D.M.); (R.R.y.B.)
| | - Dario De Martis
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, School of Dentistry, University of Pavia, 27100 Pavia, Italy; (S.M.L.); (D.D.M.); (R.R.y.B.)
| | - Claudia Todaro
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, School of Dentistry, University of Pavia, 27100 Pavia, Italy; (S.M.L.); (D.D.M.); (R.R.y.B.)
| | - Gaetano Isola
- Department of General Surgery and Surgical-Medical Specialties, School of Dentistry, University of Catania, 95124 Catania, Italy;
| | - Mario Beretta
- Department of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, Italy;
| | - Ruggero Rodriguez y Baena
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, School of Dentistry, University of Pavia, 27100 Pavia, Italy; (S.M.L.); (D.D.M.); (R.R.y.B.)
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Wang Z, Wang J, Wu R, Wei J. Construction of functional surfaces for dental implants to enhance osseointegration. Front Bioeng Biotechnol 2023; 11:1320307. [PMID: 38033823 PMCID: PMC10682203 DOI: 10.3389/fbioe.2023.1320307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 10/30/2023] [Indexed: 12/02/2023] Open
Abstract
Dental implants have been extensively used in patients with defects or loss of dentition. However, the loss or failure of dental implants is still a critical problem in clinic. Therefore, many methods have been designed to enhance the osseointegration between the implants and native bone. Herein, the challenge and healing process of dental implant operation will be briefly introduced. Then, various surface modification methods and emerging biomaterials used to tune the properties of dental implants will be summarized comprehensively.
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Affiliation(s)
- Zhenshi Wang
- School of Stomatology, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
- Jiangxi Province Clinical Research Center for Oral Disease, Nanchang, China
| | - Jiaolong Wang
- School of Stomatology, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
- Jiangxi Province Clinical Research Center for Oral Disease, Nanchang, China
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang, China
| | - Runfa Wu
- School of Stomatology, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
- Jiangxi Province Clinical Research Center for Oral Disease, Nanchang, China
| | - Junchao Wei
- School of Stomatology, Nanchang University, Nanchang, China
- Jiangxi Province Key Laboratory of Oral Biomedicine, Nanchang, China
- Jiangxi Province Clinical Research Center for Oral Disease, Nanchang, China
- College of Chemistry and Chemical Engineering, Nanchang University, Nanchang, China
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Lupi SM, Torchia M, Rizzo S. Biochemical Modification of Titanium Oral Implants: Evidence from In Vivo Studies. MATERIALS (BASEL, SWITZERLAND) 2021; 14:2798. [PMID: 34074006 PMCID: PMC8197372 DOI: 10.3390/ma14112798] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/02/2021] [Accepted: 05/19/2021] [Indexed: 12/29/2022]
Abstract
The discovery of osseointegration of titanium implants revolutionized the dental prosthesis field. Traditionally, implants have a surface that is processed by additive or subtractive techniques, which have positive effects on the osseointegration process by altering the topography. In the last decade, innovative implant surfaces have been developed, on which biologically active molecules have been immobilized with the aim of increasing stimulation at the implant-biological tissue interface, thus favoring the quality of osseointegration. Among these molecules, some are normally present in the human body, and the techniques for the immobilization of these molecules on the implant surface have been called Biochemical Modification of Titanium Surfaces (BMTiS). Different techniques have been described in order to immobilize those biomolecules on titanium implant surfaces. The aim of the present paper is to present evidence, available from in vivo studies, about the effects of biochemical modification of titanium oral implants on osseointegration.
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Lupi SM, Sassi AN, Addis A, Rodriguez y Baena R. The Impact of Nandrolone Decanoate in the Osseointegration of Dental Implants in a Rabbit Model: Histological and Micro-Radiographic Results. MATERIALS 2021; 14:ma14092258. [PMID: 33925604 PMCID: PMC8123797 DOI: 10.3390/ma14092258] [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: 04/02/2021] [Revised: 04/22/2021] [Accepted: 04/24/2021] [Indexed: 11/23/2022]
Abstract
Despite high rates of osseointegration in healthy patients, complex cases present an increased risk of osseointegration failure when treated with dental implants. Furthermore, if immediate loading of the implants is used, maximizing the response of the host organism would be desirable. Anabolic steroids, such as Nandrolone Decanoate (ND), are reported to have beneficial clinical effects on various bone issues such as osteoporosis and bone fractures. However, their beneficial effects in promoting osseointegration in dental implant placement have not been documented. The study aimed to examine histological changes induced by ND in experimental dental implants in rabbit models. Two dental implants were placed in the tibias of 24 adult rabbits. Rabbits were allocated to one of two groups: control group or test group. Rabbits in the latter group were given nandrolone decanoate (15 mg/kg, immediately after implant placement and after 1 week). Micro-radiographic and histological analyses were assessed to characterize the morphological changes promoted by the nandrolone decanoate use. Total bone volume and fluorescence were significantly higher in the control group after 2 weeks. Such a difference between the two groups might indicate that, initially, nandrolone lengthens the non-specific healing period characteristic of all bone surgeries. However, after the beginning of the reparative processes, the quantity of newly formed bone appears to be significantly higher, indicating a positive stimulation of the androgen molecule on bone metabolism. Based on micro-radiology and fluorescence microscopy, nandrolone decanoate influenced bone regeneration in the implant site. The anabolic steroid nandrolone decanoate affects the healing processes of the peri-implant bone and therefore has the potential to improve the outcomes of implant treatment in medically complex patients.
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Affiliation(s)
- Saturnino Marco Lupi
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy; (A.N.S.); (R.R.y.B.)
- Correspondence:
| | - Alessandra Nicole Sassi
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy; (A.N.S.); (R.R.y.B.)
| | - Alessandro Addis
- CRABCC, Biotechnology Research Centre for Cardiothoracic Applications, 26027 Rivolta d’Adda, Italy;
| | - Ruggero Rodriguez y Baena
- Department of Clinical Surgical, Diagnostic and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy; (A.N.S.); (R.R.y.B.)
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Assessment of the Tissue Response to Modification of the Surface of Dental Implants with Carboxyethylphosphonic Acid and Basic Fibroblastic Growth Factor Immobilization (Fgf-2): An Experimental Study on Minipigs. BIOLOGY 2021; 10:biology10050358. [PMID: 33922433 PMCID: PMC8146140 DOI: 10.3390/biology10050358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 04/21/2021] [Accepted: 04/22/2021] [Indexed: 11/23/2022]
Abstract
Simple Summary This study aimed to evaluate the efficacy of treating the surface of dental implants with carboxyethylphosphonic acid for the immobilization of FGF-2, the influence of FGF-2 on cortical bone in close contact with dental implants, new bone formation around dental implants in the presence of FGF-2 and the influence of FGF-2 on the interthread bone area of dental implants during the healing period after insertion. Abstract The aim of this study was to evaluate the effect of implant surface treatment with carboxyethylphosphonic acid and fibroblast growth factor 2 on the bone–implant interface during the osseointegration period in vivo using an animal model. The present research was carried out in six minipigs, in whose left tibia implants were inserted as follows: eight implants with a standard surface treatment, for the control group, and eight implants with a surface treatment of carboxyethylphosphonic acid and immobilization of FGF-2, for the test group. At 4 weeks after the insertion of the implants, the animals were sacrificed for the histomorphometric analysis of the samples. The means of the results for the implant–bone contact variable (BIC) were 46.39 ± 17.49% for the test group and 34.00 ± 9.92% for the control group; the difference was not statistically significant. For the corrected implant–bone contact variable (BICc), the mean value of the test group was 60.48 ± 18.11%, and that for the control group, 43.08 ± 10.77%; the difference was statistically significant (p-value = 0.035). The new bone formation (BV/TV) showed average results of 27.28 ± 3.88% for the test group and 26.63 ± 7.90% for the control group, meaning that the differences were not statistically significant (p-value = 0.839). Regarding the bone density at the interthread level (BAI/TA), the mean value of the test group was 32.27 ± 6.70%, and that of the control group was 32.91 ± 7.76%, with a p-value of 0.863, while for the peri-implant density (BAP/TA), the mean value of the test group was 44.96 ± 7.55%, and that for the control group was 44.80 ± 8.68%, without a significant difference between the groups. The current research only found a significant difference for the bone–implant contact at the cortical level; therefore, it could be considered that FGF-2 acts on the mineralization of bone tissue. The application of carboxyethylphosphonic acid on the surface of implants can be considered a promising alternative as a biomimetic coating for the immobilization of FGF-2. Despite no differences in the new bone formation around the implants or in the interthread or peri-implant bone density being detected, the biofunctionalization of the implant surface with FGF-2 accelerates the mineralization of the bone–implant interface at the cortical level, thereby reducing the osseointegration period.
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Rehman IU, Melo MA. Special Issue: Molecular Research on Dental Materials and Biomaterials 2018. Int J Mol Sci 2020; 21:ijms21239154. [PMID: 33271789 PMCID: PMC7730814 DOI: 10.3390/ijms21239154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 11/26/2020] [Indexed: 11/16/2022] Open
Affiliation(s)
- Ihtesham Ur Rehman
- Engineering Department, Faculty of Science and Technology, Lancaster University, Gillow Avenue, Lancaster LA1 4YW, UK;
| | - Mary Anne Melo
- Division of Operative Dentistry, Department of General Dentistry, University of Maryland School of Dentistry, 650 W. Baltimore St, Baltimore, MD 21201, USA
- Correspondence:
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Anatase Forming Treatment without Surface Morphological Alteration of Dental Implant. MATERIALS 2020; 13:ma13225280. [PMID: 33266359 PMCID: PMC7700421 DOI: 10.3390/ma13225280] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 11/19/2020] [Accepted: 11/20/2020] [Indexed: 12/14/2022]
Abstract
The osseointegration of titanium implants is allowed by the TiO2 layer that covers the implants. Titania can exist in amorphous form or in three different crystalline conformations: anatase, rutile and brookite. Few studies have characterized TiO2 covering the surface of dental implants from the crystalline point of view. The aim of the present study was to characterize the evolution of the TiO2 layer following different surface treatments from a crystallographic point of view. Commercially pure titanium and Ti-6Al-4V implants subjected to different surface treatments were analyzed by Raman spectroscopy to evaluate the crystalline conformation of titania. The surface treatments evaluated were: machining, sandblasting, sandblasting and etching and sandblasting, etching and anodization. The anodizing treatment evaluated in this study allowed to obtain anatase on commercially pure titanium implants without altering the morphological characteristics of the surface.
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Lupi SM, Redoglia L, Rodriguez Y Baena A, Garbelli G, Rodriguez Y Baena R. Detection of peri-implant inflammation by the use of a matrix metalloproteinase-8 chair-side test. MINERVA STOMATOLOGICA 2019; 68:168-176. [PMID: 31357850 DOI: 10.23736/s0026-4970.19.04149-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Active matrix metalloproteinase-8 (MMP-8) enzymes are associated with inflammation and the degradation of implant-supporting tissues. A high concentration of these enzymes in the peri-implant sulcular fluid (PISF) has been associated with a pathological condition. The aim of the present study was to evaluate the ability of a chair-side MMP-8 test to individuate pathological peri-implant site. The working hypothesis is that positive response to MMP-8 test corresponds to pathological values of periodontal indexes. A secondary working hypothesis is that PISF sampling method influences the test accuracy. METHODS Fifty implants from 50 patients were evaluated during scheduled follow-up appointments in a clinical setting using the MMP-8 chair-side test and periodontal indices (probing depth, bleeding on probing, plaque index and peri-implant inflammation index). Two methods of PISF sampling were tested. RESULTS The MMP-8 test demonstrated significant diagnostic capacity and good sensitivity and accuracy regarding indices of bleeding on probing, plaque index, and peri-implant inflammation index but fair agreement. CONCLUSIONS Further studies should be performed to better define the interpretation of the MMP-8 chair-test results and their correlation to peri-implant indexes.
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Affiliation(s)
- Saturnino M Lupi
- School of Dentistry, Department of Clinico-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy -
| | - Lucia Redoglia
- School of Dentistry, Department of Clinico-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Arianna Rodriguez Y Baena
- Unit of Oral Surgery, Dental School, Department of Dentistry, San Raffaele Hospital IRCSS, Vita Salute University, Milan, Italy
| | - Giorgia Garbelli
- School of Dentistry, Department of Clinico-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
| | - Ruggero Rodriguez Y Baena
- School of Dentistry, Department of Clinico-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy
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