1
|
Hedayatipanah M, Arasteh HK, Shokri A, Alafchi B, Baghdadi LS. Effect of vertical implant position on marginal bone loss: a randomized clinical trial. BMC Oral Health 2024; 24:727. [PMID: 38915016 PMCID: PMC11197272 DOI: 10.1186/s12903-024-04480-7] [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: 06/19/2023] [Accepted: 06/13/2024] [Indexed: 06/26/2024] Open
Abstract
OBJECTIVES One of the most important factors that has influence on dental implants success rate is marginal bone loss. The purpose of this study is to investigate the effect of the implant's vertical position and the soft tissue's thickness on the rate of marginal bone loss of the dental implant. MATERIALS AND METHODS In this single-blind randomized clinical trial study, 56 implants placed in the posterior region of mandible of 33 patients (19 women, 14 men) were divided into two groups. The group of crestal (28 implants) and subcrestal (28 implants) implants, each group was divided into two sub-groups with soft tissue thickness of 2 mm and less than 2 mm (14 implants) and more than 2 mm (14 implants). The amount of marginal bone loss was measured by Scanora 5.2 program with radiographs Digital parallelism based on the effect of the vertical position of the implant, soft tissue thickness, three months after placement, and three months after loading implants (six months after implant placement). RESULTS The results showed that marginal bone loss in subcrestal implants is significantly more than crestal implants (p-value = 0.001), and also marginal bone loss in the soft tissue thickness group of 2 mm and less is significantly more than the group of soft tissue thickness more than 2 mm (p-value < 0.001). The amount of marginal bone loss three months after implant loading was significantly higher than three months after implant placement (p-value < 0.001). CONCLUSION The implant's vertical position and the soft tissue's thickness around the implant are effective factors in the amount of marginal bone loss. Marginal bone loss is more in subcrestal implants and in cases with less soft tissue thickness. The time factor significantly affects the amount of marginal bone loss. TRIAL REGISTRATION this clinical trial was registered at Iranian Registry of Clinical Trials, registration number IRCT20120215009014N415, registration date 20,220,110, (https//en.irct.ir/trial/60,991).
Collapse
Affiliation(s)
- Morad Hedayatipanah
- Department of Periodontics, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hadi Kokabi Arasteh
- Department of Periodontics, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Abbas Shokri
- Department of Oral and Maxillofacial Radiology, School of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Behnaz Alafchi
- Department of Biostatistics, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Leila Shahsavand Baghdadi
- Department of Periodontics, Faculty of Dentistry, Hamadan University of Medical Sciences, Hamadan, Iran.
| |
Collapse
|
2
|
Wach T, Szymor P, Trybek G, Sikora M, Michcik A, Kozakiewicz M. Bone Metabolism and Dental Implant Insertion as a Correlation Affecting on Marginal Bone Remodeling: Texture Analysis and the New Corticalization Index, Predictor of Marginal Bone Loss-3 Months of Follow-Up. J Clin Med 2024; 13:3212. [PMID: 38892923 PMCID: PMC11173209 DOI: 10.3390/jcm13113212] [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: 05/01/2024] [Revised: 05/17/2024] [Accepted: 05/26/2024] [Indexed: 06/21/2024] Open
Abstract
Background/Objectives: The general condition of implantology patients is crucial when considering the long- and short-term survival of dental implants. The aim of the research was to evaluate the correlation between the new corticalization index (CI) and patients' condition, and its impact on marginal bone loss (MBL) leading to implant failure, using only radiographic (RTG) images on a pixel level. Method: Bone near the dental implant neck was examined, and texture features were analyzed. Statistical analysis includes analysis of simple regression where the correlation coefficient (CC) and R2 were calculated. Detected relationships were assumed to be statistically significant when p < 0.05. Statgraphics Centurion version 18.1.12 (Stat Point Technologies, Warrenton, VA, USA) was used to conduct the statistical analyses. Results: The research revealed a correlation between MBL after 3 months and BMI, PTH, TSH, Ca2+ level in blood serum, phosphates in blood serum, and vitamin D. A correlation was also observed between CI and PTH, Ca2+ level in blood serum, vitamin D, LDL, HDL, and triglycerides on the day of surgery. After 3 months of the observation period, CI was correlated with PTH, TSH, Ca2+ level in blood serum, and triglycerides. Conclusion: The results of the research confirm that the general condition of patients corresponds with CI and MBL. A patient's general condition has an impact on bone metabolism around dental implants. Implant insertion should be considered if the general condition of the patient is not stable. However, CI has not yet been fully investigated. Further studies are necessary to check and categorize the impact of corticalization on marginal bone loss near dental implants.
Collapse
Affiliation(s)
- Tomasz Wach
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Żeromskiego Str., 90-549 Lodz, Poland; (P.S.); (M.K.)
| | - Piotr Szymor
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Żeromskiego Str., 90-549 Lodz, Poland; (P.S.); (M.K.)
| | - Grzegorz Trybek
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland;
- 4th Military Clinical Hospital in Wroclaw, ul. Rudolfa Weigla 5, 50-981 Wroclaw, Poland
| | - Maciej Sikora
- Department of Maxillofacial Surgery, Hospital of the Ministry of Interior, Wojska Polskiego 51, 25-375 Kielce, Poland;
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, Powstańców Wielkopolskich 72, 70-111 Szczecin, Poland
| | - Adam Michcik
- Department of Maxillofacial Surgery, Medical University of Gdansk, 80-210 Gdańsk, Poland;
| | - Marcin Kozakiewicz
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Żeromskiego Str., 90-549 Lodz, Poland; (P.S.); (M.K.)
| |
Collapse
|
3
|
Wach T, Okulski J, Zieliński R, Trybek G, Michcik A, Kozakiewicz M. New Radiological Corticalization Index as an Indicator of Implant Success Rate Depending on Prosthetic Restoration-5 Years of Follow-Up. Diagnostics (Basel) 2024; 14:867. [PMID: 38732281 PMCID: PMC11083295 DOI: 10.3390/diagnostics14090867] [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: 03/09/2024] [Revised: 04/17/2024] [Accepted: 04/19/2024] [Indexed: 05/13/2024] Open
Abstract
The new Radiological Corticalization Index (CI) is an indicator that describes bone remodeling near the dental implant's neck at the pixel level and is not visible to the naked eye. The aim of this research was to evaluate the correlation between the CI and bone remodeling using only radiographic (RTG) images. RTG samples were divided into groups depending on prosthetic restoration; the implant neck area around dental implants was examined, and texture features of the RTG images were analyzed. The study also investigated the type of prosthetic restoration and its influence as a factor on bone structure. The statistical analysis included evaluating feature distribution, comparing means (t-test) or medians (W-test), and performing a regression analysis and one-way analysis of variance or the Kruskal-Wallis test, as no normal distribution or between-group variance was indicated for the significant differences in the investigated groups. Differences or relationships were considered statistically significant at p < 0.05. The research revealed correlations between single crowns, overdenture restoration, bridge restoration, platform switching, prosthetic fracture, CI, and also marginal bone loss where p was lower than 0.05. However, the corticalization phenomenon itself has not yet been fully explored. The findings suggest that, depending on the type of prosthetic restoration, the corticalization index may correlate with marginal bone loss or not. Further research is necessary, as the index is suspected to not be homogeneous.
Collapse
Affiliation(s)
- Tomasz Wach
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Żeromskiego Str., 90-549 Lodz, Poland; (J.O.); (R.Z.); (M.K.)
| | - Jakub Okulski
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Żeromskiego Str., 90-549 Lodz, Poland; (J.O.); (R.Z.); (M.K.)
| | - Rafał Zieliński
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Żeromskiego Str., 90-549 Lodz, Poland; (J.O.); (R.Z.); (M.K.)
| | - Grzegorz Trybek
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland;
- 4th Military Clinical Hospital in Wroclaw, ul. Rudolfa Weigla 5, 50-981 Wroclaw, Poland
| | - Adam Michcik
- Department of Maxillofacial Surgery, Medical University of Gdansk, Mariana Smoluchowskiego 17, 80-214 Gdansk, Poland;
| | - Marcin Kozakiewicz
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Żeromskiego Str., 90-549 Lodz, Poland; (J.O.); (R.Z.); (M.K.)
| |
Collapse
|
4
|
Kowalski J, Rylska D, Januszewicz B, Konieczny B, Cichomski M, Matinlinna JP, Radwanski M, Sokolowski J, Lukomska-Szymanska M. Corrosion Resistance of Titanium Dental Implant Abutments: Comparative Analysis and Surface Characterization. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6624. [PMID: 37895605 PMCID: PMC10608008 DOI: 10.3390/ma16206624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 10/02/2023] [Accepted: 10/08/2023] [Indexed: 10/29/2023]
Abstract
Metals subjected to the oral environment are prone to corrosion over time and this can be harmful. Metallic restoration components such as dental subgingival implant abutments are exposed to pH changes and different ions while in contact with saliva. The aim of the study was to evaluate the corrosion resistance of titanium dental implant abutments and to compare and contrast the surface characteristics of these alloys before and after corrosion. The corrosion examination (Ecorr, jcorr, OCP, polarization curve) of two implant abutments (TiDesign EV, Astra Tech, Dentsply, York, PA, USA; Individual Titanium Abutment, Apollo Implants Components, Pabianice, Poland) was performed in 0.9% NaCl and 5% HCl. Moreover, specimens were investigated using SEM-EDS before and after the corrosion test. The value of jcorr in NaCl was higher for Astra (34.2 × 10-8 ± 2.5 × 10-8 A/cm2) than for Apollo (8.8 × 10-8 ± 2.5 × 10-8 A/cm2). Whereas, in HCl, the opposite relationship was observed (Astra 2.9 × 10-4 ± 0.8 × 10-4 A/cm2 and Apollo 62.7 × 10-4 ± 9.3 × 10-4 A/cm2). An average reactive anodic current density in NaCl for Astra amounted up to ~0.2 × 10-5-1.5 × 10-5 A/cm2, while for Apollo-up to ~3.3-9.7 × 10-7 A/cm2. The composition of both alloys after corrosion in NaCl demonstrated some changes: a decrease in the Ti, and Al and an increase in oxygen content. Hence, both alloys after corrosion in HCl demonstrated some minor changes in the elemental composition. Based on the results it can be concluded that: 1. Astra and Apollo abutments revealed good corrosion resistance and a passivation layer on the surface. 2. Apollo abutments exhibited better corrosion resistance in a neutral environment, suggesting that Astra abutments were found to be more resistant to corrosion in an acidic medium.
Collapse
Affiliation(s)
- Jakub Kowalski
- Department of General Dentistry, Medical University of Lodz, 92-213 Lodz, Poland
| | - Dorota Rylska
- Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (D.R.); (B.J.)
| | - Bartłomiej Januszewicz
- Institute of Materials Science and Engineering, Lodz University of Technology, 1/15 Stefanowskiego St., 90-924 Lodz, Poland; (D.R.); (B.J.)
| | - Bartlomiej Konieczny
- University Laboratory of Materials Research, Medical University of Lodz, 251 Pomorska St., 92-213 Lodz, Poland;
| | - Michal Cichomski
- Department of Material Technology and Chemistry, Faculty of Chemistry, University of Lodz, 163 Pomorska St., 90-236 Lodz, Poland;
| | - Jukka P. Matinlinna
- Biomaterials Science, Division of Dentistry, The University of Manchester, Manchester M13 9PL, UK;
| | - Mateusz Radwanski
- Department of Endodontics, Medical University of Lodz, 92-213 Lodz, Poland;
| | - Jerzy Sokolowski
- Department of General Dentistry, Medical University of Lodz, 92-213 Lodz, Poland
| | | |
Collapse
|
5
|
Huraib WM, Pullishery F, Al-Ghalib TA, Niyazi AAT, Binhuraib H, El Homossany M, Bamigdad MS. Influence of rough micro-threaded and laser micro-textured implant-neck on peri-implant tissues: A systematic review. Saudi Dent J 2023; 35:602-613. [PMID: 37817785 PMCID: PMC10562115 DOI: 10.1016/j.sdentj.2023.05.025] [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: 01/29/2023] [Revised: 05/25/2023] [Accepted: 05/28/2023] [Indexed: 10/12/2023] Open
Abstract
Background and objective This systematic review aimed to explore clinical outcomes of marginal or crestal bone level (MBL) and soft tissue status around implants, following the placement of rough micro-threaded/laser-microtextured surface (LMS) implants. These outcomes are compared with those following the placement of smooth machined-neck implants. Materials and methods Using EBSCO Information Services, we conducted a web-based search of databases such as the PubMed, Scopus, and EMBASE, for relevant English-language scientific papers published between January 2013 and August 2022. Prospective or retrospective controlled cohort studies and randomized controlled trials (RCTs) investigating the role of rough micro-threaded/LMS implant necks on MBL, sulcular probing depth (PD), and/or clinical attachment loss, were included in this review. Results From a comprehensive literature search of 247 articles, 6 RCTs, 5 prospective studies, and 4 retrospective studies (n = 15) fulfilled the eligibility criteria. MBL with rough micro-threaded implant necks ranged from 0.12 ± 0.17 mm to 3.25 ± 0.4 mm after loading. The smooth machined-neck implants without a micro-threaded neck had a loading MBL of 0.38 ± 0.51 mm to 3.75 ± 0.4 mm. Micro-threaded implant necks showed much lower MBL than machined-neck implants. LMS implant necks had a lower peri-implant PD than machined-neck implants after 3 years of early loading (2.3 ± 0.7 mm vs. 3.8 ± 0.8 mm). The experimental and control groups showed similar gingival recessions (1.08 ± 0.4 mm vs. 2.46 ± 0.3 mm). Meta-analysis was not feasible owing to heterogeneity of the studies. Conclusion Under functional loading, a roughened micro-threaded design for the implant neck could significantly lower MBL. Furthermore, PD and MBL were much lower around LMS neck implants than those around machined-neck or micro-threaded implants.
Collapse
Affiliation(s)
- Wayel Mohammed Huraib
- Department of Prosthodontics, Dentistry Program, Batterjee Medical College, Jeddah 21442, Saudi Arabia
| | - Fawaz Pullishery
- Division of Dental Public Health, Dentistry Program, Batterjee Medical College, Jeddah 21442, Saudi Arabia
| | | | | | - Haitham Binhuraib
- Consultant in Prosthodontics, North Jeddah Specialized Dental Center, King Abdullah Medical Complex, Jeddah, Saudi Arabia
| | - Mahmoud El Homossany
- Department of Removable Prosthodontics, Ain Shams University, Egypt and Batterjee Medical College, Jeddah 21442, Saudi Arabia
| | - Malak Saeed Bamigdad
- Department of Prosthodontics, Dentistry Program, Batterjee Medical College, Jeddah 21442, Saudi Arabia
| |
Collapse
|
6
|
Kalhori MR, Soleimani M, Alibakhshi R, Kalhori AA, Mohamadi P, Azreh R, Farzaei MH. The Potential of miR-21 in Stem Cell Differentiation and its Application in Tissue Engineering and Regenerative Medicine. Stem Cell Rev Rep 2023; 19:1232-1251. [PMID: 36899116 DOI: 10.1007/s12015-023-10510-8] [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] [Accepted: 01/18/2023] [Indexed: 03/12/2023]
Abstract
MicroRNAs (miRNAs) and long non-coding RNAs (lncRNAs) are two important types of non-coding RNAs that are not translated into protein. These molecules can regulate various biological processes, including stem cell differentiation and self-renewal. One of the first known miRNAs in mammals is miR-21. Cancer-related studies have shown that this miRNA has proto-oncogene activity and is elevated in cancers. However, it is confirmed that miR-21 inhibits stem cell pluripotency and self-renewal and induces differentiation by targeting various genes. Regenerative medicine is a field of medical science that tries to regenerate and repair damaged tissues. Various studies have shown that miR-21 plays an essential role in regenerative medicine by affecting stem cell proliferation and differentiation. In this review, we will discuss the function of miR-21 in regenerative medicine of the liver, nerve, spinal cord, wound, bone, and dental tissues. In addition, the function of natural compounds and lncRNAs will be analyzed as potential regulators of miR-21 expression in regenerative medicine.
Collapse
Affiliation(s)
- Mohammad Reza Kalhori
- Regenerative Medicine Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | - Masoud Soleimani
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Reza Alibakhshi
- Department of Biochemistry, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Amir Ali Kalhori
- Regenerative Medicine Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Parisa Mohamadi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical, Sciences, Tehran, Iran
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Rasoul Azreh
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Hosien Farzaei
- Medical Technology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| |
Collapse
|
7
|
Guruprasad Y, Dhurubatha J, Kumar S, Sultana R, Bakshi HT, Desai DT. A Comparative Study of the Flap and Flapless Techniques of Ridge Preservation: A Clinical Double-Blinded Study. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2023; 15:S1065-S1068. [PMID: 37694067 PMCID: PMC10485448 DOI: 10.4103/jpbs.jpbs_220_23] [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: 03/07/2023] [Revised: 03/12/2023] [Accepted: 03/13/2023] [Indexed: 09/12/2023] Open
Abstract
Introduction Extraction of the tooth often leads to crestal bone loss. It is difficult for clinicians to decide on the technique of extraction. Many studies on flap and flapless have led to confusion. Hence it becomes necessary to conduct this study to show the efficient ridge preservation technique. Materials and Methods Twenty patients were selected for this study. It was divided into the flap and flapless groups. In group A, the flap was elevated, tooth extraction was undertaken, the socket was cleaned, a graft was placed, a barrier was placed, and a suture was placed. In group B all the procedures were the same but without flap elevation. After surgery, clinical and radiographical parameters were recorded. Result Flapless technique showed a better result in bone preservation. There was a low vertical bone loss in the flapless technique. Conclusion Both techniques showed bone loss. But the flapless technique gave better results.
Collapse
Affiliation(s)
- Yadavalli Guruprasad
- Department of Dentistry, Vijaynagar Institute of Medical Sciences, VIMS Campus, Cantonment, Ballari, Karnataka, India
| | - J Dhurubatha
- Department of Oral and Maxillofacial Surgery, Government Dental College and Hospital, Kadapa, Andhra Pradesh, India
| | - Santosh Kumar
- Department of Periodontology, Karnavati School of Dentistry, Karnavati University, Gandhinagar, Gujarat, India
| | - Rafat Sultana
- Department of Periodontology and Implantology, Design Private Practice, Lifeline Dental Care, Gaya, Bihar, India
| | - Heer T. Bakshi
- Department of Conservative and Endodontics, AMC Dental College and Hospital, Ahmedabad, Gujarat, India
| | - Dhriti T. Desai
- Department of Conservative and Endodontics, AMC Dental College and Hospital, Ahmedabad, Gujarat, India
| |
Collapse
|
8
|
Kowalski J, Puszkarz AK, Radwanski M, Sokolowski J, Cichomski M, Bourgi R, Hardan L, Sauro S, Lukomska-Szymanska M. Micro-CT Evaluation of Microgaps at Implant-Abutment Connection. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4491. [PMID: 37374674 DOI: 10.3390/ma16124491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/10/2023] [Accepted: 06/17/2023] [Indexed: 06/29/2023]
Abstract
The assessment of microgaps at the implant-abutment interface is an important factor that may influence clinical success. Thus, the aim of this study was to evaluate the size of microgaps between prefabricated and customised abutments (Astra Tech, Dentsply, York, PA, USA; Apollo Implants Components, Pabianice, Poland) mounted on a standard implant. The measurement of the microgap was performed using micro-computed tomography (MCT). Due to 15-degree rotation of samples, 24 microsections were obtained. Scans were performed at four levels established at the interface between the abutment and the implant neck. Moreover, the volume of the microgap was evaluated. The size of the microgap at all measured levels varied from 0.1 to 3.7 µm for Astra and from 0.1 to 4.9 µm for Apollo (p > 0.05). Moreover, 90% of the Astra specimens and 70% of the Apollo specimens did not exhibit any microgaps. The highest mean values of microgap size for both groups were detected at the lowest portion of the abutment (p > 0.05). Additionally, the average microgap volume was greater for Apollo than for Astra (p > 0.05). It can be concluded that most samples did not exhibit any microgaps. Furthermore, the linear and volumetric dimensions of microgaps observed at the interface between Apollo or Astra abutments and Astra implants were comparable. Additionally, all tested components presented microgaps (if any) that were clinically acceptable. However, the microgap size of the Apollo abutment was higher and more variable than that of the Astra one.
Collapse
Affiliation(s)
- Jakub Kowalski
- Department of General Dentistry, Medical University of Lodz, 92-213 Lodz, Poland
| | - Adam K Puszkarz
- Faculty of Material Technologies and Textile Design, Institute of Material Science of Textiles and Polymer Composites, Lodz University of Technology, 116 Zeromskiego Street, 90-924 Lodz, Poland
| | - Mateusz Radwanski
- Department of Endodontics, Medical University of Lodz, 92-213 Lodz, Poland
| | - Jerzy Sokolowski
- Department of General Dentistry, Medical University of Lodz, 92-213 Lodz, Poland
| | - Michal Cichomski
- Department of Material Technology and Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 163, 90-236 Lodz, Poland
| | - Rim Bourgi
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon
| | - Louis Hardan
- Department of Restorative Dentistry, School of Dentistry, Saint-Joseph University, Beirut 1107 2180, Lebanon
| | - Salvatore Sauro
- Dental Biomaterials and Minimally Invasive Dentistry, Departamento de Odontología, Facultad de Cienciasde la Salud, Universidad CEU-Cardenal Herrera, C/Del Pozo ss/n, Alfara del Patriarca, 46115 Valencia, Spain
- Department of Therapeutic Dentistry, I. M. Sechenov First Moscow State Medical University, 119146 Moscow, Russia
| | | |
Collapse
|
9
|
Fuda S, Martins BGDS, Castro FCD, Heboyan A, Gehrke SA, Fernandes JCH, Mello-Moura ACV, Fernandes GVO. Marginal Bone Level and Clinical Parameter Analysis Comparing External Hexagon and Morse Taper Implants: A Systematic Review and Meta-Analysis. Diagnostics (Basel) 2023; 13:diagnostics13091587. [PMID: 37174979 PMCID: PMC10178059 DOI: 10.3390/diagnostics13091587] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/18/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023] Open
Abstract
The goal of this systematic review was to verify the marginal bone loss (MBL) and other clinical parameters comparing external hexagon (EH) and Morse taper (MT) implants when they were evaluated within the same study. The focused question was, "For patients (P) treated with external connection (I) or Morse taper (C) dental implants, were there differences in the marginal bone crest maintenance after at least three months in occlusal function (O)"? As for the inclusion criteria that were considered, they included clinical studies in English that compared the MBL in implants with EH and MT, with follow-up of at least three months, that were published between 2011 and 2022; as for the exclusion criteria, they included publications investigating only one type of connection that analyzed other variables and did not report results for the MBL, reports based on questionnaires, interviews, and case reports/series, systematic reviews, or studies involving patients with a significant health problem (ASA Physical Status 3 and above). The PubMed/MEDLINE, Embase, and Web of Science databases were screened, and all of the data obtained were registered in a spreadsheet (Excel®). The Jadad scale was used to assess the quality of the studies. A total of 110 articles were initially identified; 11 were considered for full-text reading. Then, six articles (four RCTs and two prospective studies) met the eligibility criteria and were included in this study. A total of 185 patients (mean age of 59.71) were observed, and the follow-up ranged from 3 months to 36 months. A total of 541 implants were registered (267 EH and 274 MT). The survival rate ranged between 96% and 100% (the average was 97.82%). The MBL was compared among all periods studied; therefore, the common assessment period was the 12-month follow-up, presenting greater MBL for EH than for MT (p < 0.001). A mean MBL of 0.60 mm (95% CI 0.43-0.78) was found after the same period. BoP was reported in 5 studies and plaque index was reported in 4 (2 with more than 30%). Deep PD was observed in three studies. High heterogeneity was observed (I2 = 85.06%). Thus, within the limitation of this review, it was possible to conclude that there is higher bone loss in EH than in MT implants when evaluating and comparing this variable within the same study. However, the results must be carefully interpreted because of this review's limited number of clinical studies, the short assessment period, and the high heterogeneity found.
Collapse
Affiliation(s)
- Samuele Fuda
- Faculty of Dental Medicine, Universidade Católica Portuguesa, 3504-505 Viseu, Portugal
| | | | | | - Artak Heboyan
- Department of Prosthodontics, Faculty of Stomatology, Yerevan State Medical University after Mkhitar Heratsi, Str. Koryun 2, Yerevan 0025, Armenia
| | - Sergio Alexandre Gehrke
- Department of Research, Bioface/PgO/UCAM, Calle Cuareim 1483, Montevideo 11100, Uruguay
- Instituto de Bioingenieria, Universidad Miguel Hernández, 03202 Elche, Spain
- Department of Biotechnology, Universidad Católica de Murcia (UCAM), 30107 Murcia, Spain
| | | | - Anna Carolina Volpi Mello-Moura
- Faculty of Dental Medicine, Universidade Católica Portuguesa, 3504-505 Viseu, Portugal
- Centre for Interdisciplinary Research in Health (CIIS), Universidade Católica Portuguesa, 3504-505 Viseu, Portugal
| | - Gustavo Vicentis Oliveira Fernandes
- Periodontics and Oral Medicine Department, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA
- Centre for Interdisciplinary Research in Health (CIIS), Universidade Católica Portuguesa, 3504-505 Viseu, Portugal
| |
Collapse
|
10
|
Boldeanu LC, Boariu M, Rusu D, Vaduva A, Roman A, Surlin P, Martu I, Dragoi R, Popa-Wagner A, Stratul SI. Histomorphometrical and CBCT Evaluation of Tissue Loss Progression Induced by Consecutive, Alternate Ligatures in Experimental Peri-Implantitis in a Dog Model: A Pilot Study. J Clin Med 2022; 11:jcm11206188. [PMID: 36294510 PMCID: PMC9605274 DOI: 10.3390/jcm11206188] [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: 09/08/2022] [Revised: 09/29/2022] [Accepted: 10/17/2022] [Indexed: 11/16/2022] Open
Abstract
Objectives: Soft and hard tissue breakdown was histologically and radiologically assessed around implants with alternate, consecutively placed ligatures on the same edentulous dog hemimandible. The influence of ligatured implants (LI) on adjacent non-ligatured implants (NLI, as a possible naturally induced peri-implantitis) was also evaluated. Material and Methods: Three months after tooth extraction, five dental implants were placed in the dog hemimandible. Two months after abutment placement, ligatures were placed subsequently two months apart on alternate implants, while both intermediate implants were left without ligatures. Ligatures were kept in place during the entire experiment, and no plaque control measures were taken. Eleven months post-implantation, the animal was sacrificed. Undecalcified ground sections were cut, stained with Masson Goldner and MOVAT Pentachrome and evaluated by light microscopy. Soft and hard tissue loss was assessed using histomorphometric and CBCT parameters. Results: All NLI presented deep false peri-implant pockets on the oral aspect and pronounced vertical bone resorption on the buccal aspect. After 2, 4 and 6 months, during the breakdown period, more than 30% of the bone was lost in LI in all directions, while, despite immediate vicinity, NLI displayed less destruction. Intense inflammation, typical for induced peri-implantitis, was present, with similar intensity in LI as NLI, but in different parts of the lesions. Morphometry confirmed intense soft tissue inflammation, more bone resorption and higher amounts of infiltrated connective tissue in LI when compared with NLI. Conclusion: Within the limits of the present pilot study, the adequacy of the experimental dog model based on ligature-induced peri-implantitis was able to be successfully challenged by non-ligature models of spontaneously occurring peri-implant inflammation, while meeting the requirements for experimental designs with a very small numbers of animals. The influence of implants with severe peri-implantitis on adjacent implants resulted in less than expected tissue loss in the latter accession numbers.
Collapse
Affiliation(s)
- Lucia-Camelia Boldeanu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Marius Boariu
- Department of Endodontics, Faculty of Dental Medicine, TADERP Research Center, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
- Correspondence: (M.B.); (A.P.-W.); Tel.: +40-722701871 (M.B.); +49-15202946197 (A.P.-W.)
| | - Darian Rusu
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Adrian Vaduva
- Department of Pathology, Faculty of Medicine, ANAPATMOL Research Center, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Alexandra Roman
- Applicative Periodontal Regeneration Research Unit, Department of Peridontology, Faculty of Dental Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400012 Cluj Napoca, Romania
| | - Petra Surlin
- Department of Periodontology, Faculty of Dental Medicine, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Ioana Martu
- Department of Dental Technology, Faculty of Dental Medicine Grigore T. Popa University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Razvan Dragoi
- Department of Balneology, Medical Rehabilitation and Rheumatology, Center for Assessment of Movement, Functionality and Disability, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| | - Aurel Popa-Wagner
- Experimental Research Center in Normal and Pathological Aging (ARES), University of Medicine and Pharmacy, 200349 Craiova, Romania
- Correspondence: (M.B.); (A.P.-W.); Tel.: +40-722701871 (M.B.); +49-15202946197 (A.P.-W.)
| | - Stefan-Ioan Stratul
- Department of Periodontology, Faculty of Dental Medicine, Anton Sculean Research Center for Periodontal and Peri-Implant Diseases, “Victor Babes” University of Medicine and Pharmacy, 300041 Timisoara, Romania
| |
Collapse
|
11
|
Wach T, Skorupska M, Trybek G. Are Torque-Induced Bone Texture Alterations Related to Early Marginal Jawbone Loss? J Clin Med 2022; 11:jcm11206158. [PMID: 36294479 PMCID: PMC9604800 DOI: 10.3390/jcm11206158] [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: 08/07/2022] [Revised: 10/16/2022] [Accepted: 10/17/2022] [Indexed: 11/16/2022] Open
Abstract
The reason why marginal bone loss (MBL) occurs after dental implant insertion without loading has not yet been clearly investigated. There are publications that confirm or reject the notion that there are factors that induce marginal bone loss, but no research investigates what exactly occurs in the bone surrounding the implant neck. In this study, 2196 samples of dental implant neck bone radiographs were analyzed. The follow-up period was 3 months without functional loading of the implant. Marginal bone loss was evaluated in relation to the torque used during the final phase of implant insertion. Radiographic texture features were also analyzed and evaluated. The analyses were performed individually for the anterior and posterior part of the alveolar crest in both the mandible and maxilla. After 3 months, an MBL relation with higher torque (higher than 40 Ncm; p < 0.05) was observed, but only in the lower jaw. The texture features Sum Average (SumAverg), Entropy, Difference Entropy (DifEntr), Long-Run Emphasis (LngREmph), Short-Run Emphasis (ShrtREmph), and discrete wavelet decomposition transform features were changed over time. This study presents that MBL is related to the torque value during dental implant insertion and the location of the procedure. The increasing values of SumAverg and LngREmph correlated with MBL, which were 64.21 to 64.35 and 1.71 to 2.01, respectively. The decreasing values of Entr, DifEntr, and ShrtREmph also correlated with MBL, which were 2.58 to 2.47, 1.11 to 1.01, and 0.88 to 0.84, respectively. The analyzed texture features may become good indicators of MBL in digital dental surgery.
Collapse
Affiliation(s)
- Tomasz Wach
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Zeromskiego Str., 90-549 Lodz, Poland
- Correspondence: ; Tel.: +48-42-639-3422
| | - Małgorzata Skorupska
- Department of Maxillofacial Surgery, Medical University of Lodz, 113 Zeromskiego Str., 90-549 Lodz, Poland
| | - Grzegorz Trybek
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, 70-111 Szczecin, Poland
| |
Collapse
|
12
|
Measures of Corticalization. J Clin Med 2022; 11:jcm11185463. [PMID: 36143109 PMCID: PMC9500652 DOI: 10.3390/jcm11185463] [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: 07/09/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
After the insertion of dental implants into living bone, the condition of the peri-implant bone changes with time. Implant-loading phenomena can induce bone remodeling in the form of the corticalization of the trabecular bone. The aim of this study was to see how bone index (BI) values behave in areas of bone loss (radiographically translucent non-trabecular areas) and to propose other indices specifically dedicated to detecting corticalization in living bone. Eight measures of corticalization in clinical standardized intraoral radiographs were studied: mean optical density, entropy, differential entropy, long-run emphasis moment, BI, corticalization index ver. 1 and ver. 2 (CI v.1, CI v.2) and corticalization factor (CF). The analysis was conducted on 40 cortical bone image samples, 40 cancellous bone samples and 40 soft tissue samples. It was found that each measure distinguishes corticalization significantly (p < 0.001), but only CI v.1 and CI v.2 do so selectively. CF or the inverse of BI can serve as a measure of peri-implant bone corticalization. However, better measures are CIs as they are dedicated to detecting this phenomenon and allowing clear clinical deduction.
Collapse
|
13
|
Fractal Dimension as a Tool for Assessment of Dental Implant Stability—A Scoping Review. J Clin Med 2022; 11:jcm11144051. [PMID: 35887815 PMCID: PMC9319468 DOI: 10.3390/jcm11144051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/11/2022] [Accepted: 07/12/2022] [Indexed: 02/05/2023] Open
Abstract
A lot of modalities for assessing implant stability are available for clinicians, but they fail to assess trabecular changes as they are solely dependent on the operator’s skills. The use of Fractal Dimension (FD) has evolved to be used as a measure for trabecular changes depicting implant stability before and after implant placement. The objective of this systematic review was to qualitatively analyse the available scientific literature describing the use of FD as a tool to measure implant stability on the basis of trabecular changes. An electronic search in PubMed, Web of Science and Scopus was carried out using relevant keywords, such as: fractal dimension; fractal analysis; dental implants; implant stability; osseointegration, etc. Studies reporting the use of FD as a tool to measure implant stability were included and subjected to qualitative analysis using ROBINS-I and Cochrane risk of bias assessment criteria. Fourteen studies were included in this review. Results showed that FD was found to be used solely as a measure of implant stability in seven studies, out of which six studies showed an increment in FD values. The majority of studies concluded with a statistical correlation between FD and respective other assessment methods used. FD may not serve as a sole indicator of implant stability; however, it can be used as an adjunct to conventional methods along with additional fractal factors.
Collapse
|
14
|
Sargolzaie N, Zarch HH, Arab H, Koohestani T, Ramandi MF. Marginal bone loss around crestal or subcrestal dental implants: prospective clinical study. J Korean Assoc Oral Maxillofac Surg 2022; 48:159-166. [PMID: 35770357 PMCID: PMC9247445 DOI: 10.5125/jkaoms.2022.48.3.159] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/01/2022] [Accepted: 05/09/2022] [Indexed: 11/07/2022] Open
Abstract
Objectives The stability of crestal bone has been reported as a major factor in the success of dental implants. Implants can be placed in an equicrestal (crestal) or subcrestal position. The aim of this study was to evaluate the effect of implant depth placement on marginal bone loss. Materials and Methods The study was created in a split-mouth design. Immediately after implant surgery, digital parallel radiographs were prepared and levels of bone were measured where marginal bone loss and bone level changes occurred. These measurements were repeated at 3-month and 6-month follow-up periods. Results In this interventional study, 49 implants were evaluated in 18 patients. Primary bone height was not significant between the intervention and control groups in both mesial and distal aspects at 3 months and 6 months from the baseline. The mean marginal bone loss on the mesial side was 1.03 mm in the subcrestal group and 0.83 mm in the crestal group. In addition, mean marginal bone loss on the distal side was 0.88 mm and 0.81 mm in the subcrestal and crestal groups, respectively. Marginal bone loss was not significantly different between sexes, the maxilla or mandible, and in the anterior or posterior regions as well as between different lengths and diameters of implants. Conclusion Based on the results of this study, there was no significant difference in terms of marginal bone loss between crestal and subcrestal implants.
Collapse
Affiliation(s)
- Naser Sargolzaie
- Dental Research Center, School of Dentistry, Mashhad University of Medical Sciences, Iran
| | - Hosein Hoseini Zarch
- Department of Oral and Maxillofacial Radiology, School of Dentistry and Dental Research Center, Mashhad University of Medical Sciences, Iran
| | - Hamidreza Arab
- Dental Research Center, School of Dentistry, Mashhad University of Medical Sciences, Iran
| | | | - Mahdiye Fasihi Ramandi
- Department of Periodontics, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, Iran
| |
Collapse
|
15
|
Chakraborty A, Datta P, Kumar CS, Majumder S, Roychowdhury A. Probing combinational influence of design variables on bone biomechanical response around dental implant-supported fixed prosthesis. J Biomed Mater Res B Appl Biomater 2022; 110:2338-2352. [PMID: 35567493 DOI: 10.1002/jbm.b.35081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 04/03/2022] [Accepted: 04/18/2022] [Indexed: 11/08/2022]
Abstract
This study aimed to understand the effect of physiological and dental implant-related parameter variations on the osseointegration for an implant-supported fixed prosthesis. Eight design factors were considered (implant shape, diameter, and length; thread pitch, depth, and profile; cantilever [CL] length and implant-loading protocol). Total 36 implantation scenarios were simulated using finite element method based on Taguchi L36 orthogonal array. Three patient-specific bone conditions were also simulated by scaling the density and Young's modulus of a mandible sample to mimic weak, normal, and strong bones. Taguchi method was employed to determine the significance of each design factor in controlling the peri-implant cortical bone microstrain. For normal bone condition, CL length had the maximum contribution (28%) followed by implant diameter (18%), thread pitch (14%), implant length (8%), and thread profile (5%). For strong bone condition, CL and implant diameter had equal contribution (32%) followed by thread pitch (7%) and implant length (5%). For weak bone condition, implant diameter had the highest contribution (31%) followed by CL length (30%), thread pitch (11%) and implant length (8%). The presence of distal CL in dental framework was found to be the most influential design factor, which can cause high strain in the cervical cortical bone. It was seen that implant diameter had more effect compared to implant length toward peri-implant bone biomechanical response. Implant-loading time had no significant effect towards peri-implant bone biomechanical response, signifying immediate loading is possible with sufficient mechanical retention.
Collapse
Affiliation(s)
- Arindam Chakraborty
- Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology, Howrah, West Bengal, India
| | - Pallab Datta
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Kolkata, West Bengal, India
| | - Cheruvu Siva Kumar
- Department of Mechanical Engineering, Indian Institute of Technology, Kharagpur, West Bengal, India
| | - Santanu Majumder
- Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology, Howrah, West Bengal, India
| | - Amit Roychowdhury
- Department of Aerospace Engineering and Applied Mechanics, Indian Institute of Engineering Science and Technology, Howrah, West Bengal, India
| |
Collapse
|
16
|
Association between Interleukin-1 Polymorphisms and Susceptibility to Dental Peri-Implant Disease: A Meta-Analysis. Pathogens 2021; 10:pathogens10121600. [PMID: 34959556 PMCID: PMC8707532 DOI: 10.3390/pathogens10121600] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 12/04/2021] [Accepted: 12/06/2021] [Indexed: 11/17/2022] Open
Abstract
Background and objective: Interleukins (ILs), as important biochemical mediators, control the host response to inflammation and are associated with bone resorption. In the present meta-analysis, we investigated the association between IL−1 polymorphisms and susceptibility to dental peri-implant disease (PID). Materials and methods: We searched Web of Science, Cochrane Library, Scopus, and PubMed/Medline databases for studies published until 9 September2021, without any restrictions. We calculated the crude OR and 95% confidence intervals (CI) to estimate the associations between IL−1 polymorphisms and PID risk in the five genetic models. We further performed the subgroup analysis, sensitivity analysis, meta-regression, trial sequential analysis, and calculated the publication bias. Results: Out of 212 retrieved records, sixteen articles were used in the meta-analysis. There was no association between IL−1A (–889), IL−1B (−511), IL−1B (+3953), and IL−1RN (VNTR) polymorphisms and the risk of dental PIDs, but there was an increased risk of IL−1B (+3954) in the patients with PIDs. In addition, an association of the composite genotype of IL−1A (−889)/IL−1B (+3953) was observed with the risk of PIDs, but not for the composite genotype of IL−1A (−889)/IL−1B (+3954). The publication year, the ethnicity, sample size, and the outcome were significantly influenced pooled estimates of some genetic models. Trial sequential analysis showed the lack of sufficient sample sizes in the studies. Conclusions: Among IL−1 polymorphisms evaluated in the meta-analysis, the composite genotype of IL−1A (−889)/IL−1B (+3953) and IL−1B (+3954) were the only polymorphisms associated with the risk of PID. The T allele and CT genotype of IL−1B (+3954) polymorphism were also associated with an elevated risk of PID.
Collapse
|
17
|
Angellotti G, Presentato A, Murgia D, Di Prima G, D’Agostino F, Scarpaci AG, D’Oca MC, Alduina R, Campisi G, De Caro V. Lipid Nanocarriers-Loaded Nanocomposite as a Suitable Platform to Release Antibacterial and Antioxidant Agents for Immediate Dental Implant Placement Restorative Treatment. Pharmaceutics 2021; 13:pharmaceutics13122072. [PMID: 34959353 PMCID: PMC8706998 DOI: 10.3390/pharmaceutics13122072] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 11/17/2022] Open
Abstract
Immediate implant placement is a single-stage restorative approach for missing teeth widely used to overcome the ridge remodeling process occurring after dental extractions. The success of this procedure relies on opportune osseointegration in the surrounding tissues. To support this process, a multifunctional nanocomposite, to be applied in the fresh post-extraction socket, was here designed, prepared, and characterized. This formulation consists of quercetin (QRC)-loaded nanostructured lipid carriers (NLCs) entrapped in a chitosan-based solid matrix containing ciprofloxacin (CPX). QRC-NLCs were prepared by homogenization followed by high-frequency sonication, and thereafter this dispersion was trapped in a chitosan-based CPX-loaded gel, obtaining the nanocomposite powder (BioQ-CPX) by lyophilization. BioQ-CPX displayed desirable properties such as high porosity (94.1 ± 0.5%), drug amounts (2.1% QRC and 3.5% CPX). and low swelling index (100%). Moreover, the mechanism of drug release from BioQ-CPX and their ability to be accumulated in the target tissue were in vitro and ex vivo elucidated, also by applying mathematical models. When trapped into the nanocomposite, QRC stressed under UV light exposure (50 W) was shown to maintain its antioxidant power, and CPX and QRC under natural light were stable over nine months. Finally, both the measured antioxidant power and the antimicrobial and antibiofilm properties on Staphylococcus aureus demonstrated that BioQ-CPX could be a promising platform to support the single-stage dental restorative treatment.
Collapse
Affiliation(s)
- Giuseppe Angellotti
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche (DICHIRONS), Università degli Studi di Palermo, 90127 Palermo, Italy;
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90123 Palermo, Italy; (G.A.); (A.P.); (D.M.); (G.D.P.); (A.G.S.); (R.A.)
| | - Alessandro Presentato
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90123 Palermo, Italy; (G.A.); (A.P.); (D.M.); (G.D.P.); (A.G.S.); (R.A.)
| | - Denise Murgia
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche (DICHIRONS), Università degli Studi di Palermo, 90127 Palermo, Italy;
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90123 Palermo, Italy; (G.A.); (A.P.); (D.M.); (G.D.P.); (A.G.S.); (R.A.)
| | - Giulia Di Prima
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90123 Palermo, Italy; (G.A.); (A.P.); (D.M.); (G.D.P.); (A.G.S.); (R.A.)
| | - Fabio D’Agostino
- Istituto per lo Studio degli Impatti Antropici e Sostenibilità dell’Ambiente Marino, Consiglio Nazionale delle Ricerche (IAS-CNR), Campobello di Mazara, 91021 Trapani, Italy;
| | - Amalia Giulia Scarpaci
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90123 Palermo, Italy; (G.A.); (A.P.); (D.M.); (G.D.P.); (A.G.S.); (R.A.)
| | - Maria Cristina D’Oca
- Dipartimento di Fisica e Chimica, Università degli Studi Palermo, 90128 Palermo, Italy;
| | - Rosa Alduina
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90123 Palermo, Italy; (G.A.); (A.P.); (D.M.); (G.D.P.); (A.G.S.); (R.A.)
| | - Giuseppina Campisi
- Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche (DICHIRONS), Università degli Studi di Palermo, 90127 Palermo, Italy;
| | - Viviana De Caro
- Dipartimento di Scienze e Tecnologie Biologiche Chimiche e Farmaceutiche (STEBICEF), Università degli Studi di Palermo, 90123 Palermo, Italy; (G.A.); (A.P.); (D.M.); (G.D.P.); (A.G.S.); (R.A.)
- Correspondence: ; Tel.: +39-09123891926
| |
Collapse
|
18
|
A Six-Year Prospective Comparative Study of Wide and Standard Diameter Implants in the Maxillary and Mandibular Posterior Area. MEDICINA-LITHUANIA 2021; 57:medicina57101009. [PMID: 34684046 PMCID: PMC8540610 DOI: 10.3390/medicina57101009] [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: 07/23/2021] [Revised: 09/17/2021] [Accepted: 09/22/2021] [Indexed: 11/17/2022]
Abstract
Background and Objectives: The aim of our study was to test whether wide diameter (6 mm) implants perform differently from standard diameter (4 mm) implants in terms of marginal bone level and survival rate. Materials and Methods: Our sample comprised 72 patients who underwent surgery; a total of 80 implants were placed in the maxillary or mandibular molar region. Patients were divided into two groups according to the diameter of the implant, and were followed up for six years after the final setting of the prosthetics. In the test group, 40 implants with 6-mm diameter were inserted; in the control group, 40 standard diameter implants were inserted. Using panoramic radiographs, we investigated mesial and distal marginal bone levels around the implant fixtures. Results: After the first implant surgery, three implants, including one wide diameter and two standard diameter implants, failed due to lack of osseointegration. We did not note any fixture fracture during the six-year follow-up. After loading, we observed a six-year survival rate of 97.29% with no statistically significant difference from standard diameter implants, with a survival rate of 94.87%. Conclusions: This study shows that 6-mm diameter implants may be considered in the presence of adequate alveolar ridge width in the posterior maxillary and mandibular regions.
Collapse
|