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Potapchuk A, Almashi V, Onipko Y, Hegedűs C. The influence of immediate intraoperative loading with a splinting component on supporting tissues during a one-stage implant. WIADOMOSCI LEKARSKIE (WARSAW, POLAND : 1960) 2024; 77:462-471. [PMID: 38691788 DOI: 10.36740/wlek202403114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2024]
Abstract
OBJECTIVE Aim: To study the specifics of the impact of immediate intraoperative loading with a splinting component on supporting tissues during a one-stage implantation protocol. PATIENTS AND METHODS Materials and Methods: In the course of the study, orthopedic treatment was carried out for 55 patients aged 29 to 60 years. The following were performed: cone-beam computed tomography, software planning and intraoral scanning with an optical scanner, one-stage implantation protocol, assessment of implant stability with the Osstell ISQ device, microcirculation study in the peri-implant area using laser Doppler flowmetry (LDF). RESULTS Results: It was established that around loaded implants there is an increase in blood flow and vasomotor activity of the microcirculatory channel of the supporting tissues, an increase in the volume of bone tissue and an increase in torque, which is the optimal forecast for the acceleration of the pace of osseointegration. CONCLUSION Conclusions: The use of a splinting component during immediate intraoperative functional masticatory load accelerates the dynamics of bone tissue remodeling processes around the implant, which is an optimal prediction of osseointegration rates in various dental implantation protocols and is consistent with high values of the implant stability coefficient.
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Shen L, Dong C, Chen J, Bai X, Yang F, Wang L. The mechanical and clinical influences of prosthetic index structure in Morse taper implant-abutment connection: a scoping review. BMC Oral Health 2023; 23:775. [PMID: 37865734 PMCID: PMC10590505 DOI: 10.1186/s12903-023-03545-3] [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: 08/03/2023] [Accepted: 10/16/2023] [Indexed: 10/23/2023] Open
Abstract
AIM The implant-abutment connection is a crucial factor in determining the long-term stability of dental implants. The use of a prosthetic index structure in the Morse taper implant-abutment connection has been proposed as a potential solution to improve the accuracy of this connection. This study aimed to provide a scoping review of the mechanical and clinical effects of the prosthetic index structure in the Morse taper implant-abutment connection. METHODS A systematic scoping review of articles related to "dental implants," "Morse taper," and "index" was conducted using PubMed/MEDLINE, Web of Science, Cochrane, and Scopus databases, as well as a comprehensive literature search by two independent reviewers. Relevant articles were selected for analysis and discussion, with a specific focus on investigating the impact of prosthetic index structure on the mechanical and clinical aspects of Morse taper implant-abutment connections. RESULTS Finally, a total of 16 articles that met the inclusion criteria were included for data extraction and review. In vitro studies have demonstrated that the use of a prosthetic index structure in the Morse taper implant-abutment connection can affect stress distribution, biomechanical stability, and reverse torque values, which may reduce stress within cancellous bone and help limit crestal bone resorption. However, retrospective clinical studies have shown that this structure is also associated with a higher risk of mechanical complications, such as abutment fracture and abutment screw loosening. CONCLUSIONS Therefore, the clinical trade-off between preventing crestal bone resorption and mechanical complications must be carefully considered when selecting appropriate abutments. The findings suggest that this structure can improve the accuracy and stability of the implant-abutment connection, but its use should be carefully evaluated in clinical practice.
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Affiliation(s)
- Liheng Shen
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Chengzhi Dong
- Department of Stomatology, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jianping Chen
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Xiaolei Bai
- Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Fan Yang
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
| | - Linhong Wang
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
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Del Castillo R, Gutiérrez-Garrido L, Padial-Molina M, Galindo-Moreno P. Screw-retained internal connection zirconia CAD-CAM abutments in single implant reconstructions: Results of a 1-year prospective case series study. J Prosthodont 2023; 32:679-688. [PMID: 36882991 DOI: 10.1111/jopr.13674] [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: 08/01/2022] [Revised: 02/24/2023] [Accepted: 02/24/2023] [Indexed: 03/09/2023] Open
Abstract
PURPOSE To evaluate the clinical and radiographic outcomes of single-tooth implant restorations using one-piece, internally connected, screw-retained, computer-aided design and computer-aided manufactured monolithic zirconia restorations fabricated on regular diameter implants. MATERIAL AND METHODS Following a 2-stage surgical procedure, 22 implants placed in anterior and posterior areas in 21 partially edentulous patients (mean age of 55 years; 9 males/12 females) were evaluated in terms of plaque index, pocket probing depth, bleeding on probing, level of oral hygiene (OH), signs of mucositis/peri-implantitis, esthetic score (ES), gingival zenith position (GZP), papilla index score, the thickness of peri-implant gingiva, radiographic marginal bone loss, and technical complications. Implants and restorations were prospectively followed from the insertion of the restoration (baseline), up to 12-months post-loading. RESULTS A 100% implant survival rate resulted after loading; one implant was lost before loading. Clinically, patients performed an adequate OH, and tissues were kept healthy. Probing depth showed a slightly lower value at baseline compared to any follow-up examination (2.26 [0.94] at baseline vs. 2.53 [0.66] mm at 12 months). ES, GZP, and the thickness of the peri-implant gingiva improved throughout the course of the study. Radiographically, average marginal bone level (MBL) was 0.40 (0.40) mm after 1-year follow-up with no differences in average MBL at all time points. Technically, after 1 year of clinical function, neither abutment fracture nor any other serious complications occurred. Hence, prosthetic reconstruction survival rate was 100%. CONCLUSIONS Clinical outcomes of single-tooth implant restorations using internally connected, screw-retained, computer-aided design and computer-aided manufacturing monolithic zirconia abutments can be considered a reliable treatment alternative after 1-year clinical observation.
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Affiliation(s)
- Rafael Del Castillo
- Department of Prosthodontics, Eastman Institute for Oral Health, University of Rochester, Rochester, New York, USA
| | | | - Miguel Padial-Molina
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria., IBS, University of Granada., Granada, Spain
| | - Pablo Galindo-Moreno
- Department of Oral Surgery and Implant Dentistry, School of Dentistry, University of Granada, Granada, Spain
- Instituto de Investigación Biosanitaria., IBS, University of Granada., Granada, Spain
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Rodrigues VVM, Faé DS, Rosa CDDRD, Bento VAA, Lacerda MFLS, Pellizzer EP, Lemos CAA. Is the clinical performance of internal conical connection better than internal non-conical connection for implant-supported restorations? A systematic review with meta-analysis of randomized controlled trials. J Prosthodont 2023. [PMID: 36700461 DOI: 10.1111/jopr.13655] [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: 07/22/2022] [Revised: 01/05/2023] [Accepted: 01/15/2023] [Indexed: 01/27/2023] Open
Abstract
PURPOSE To evaluate bone loss, prosthodontics and biological complications, and implant survival rates of internal conical connections (ICC) compared with internal non-conical connection (INCC) implants. METHODS The systematic review was registered on PROSPERO (CRD42021237170). Meta-analysis was performed using standardized mean difference (SMD) for bone loss and risk ratio (RR) for implant survival and complication rates. Risk of bias analysis was evaluated using RoB 2.0, whereas the GRADE tool was used to evaluate the certainty of evidence. A systematic search of the PubMed, Web of Science, Embase, Cochrane, and ProQuest databases was performed independently by two reviewers for articles published up to March 2022. The search criteria had no language or publication date restrictions. Handsearching analysis was performed in the reference list of potential articles. RESULTS Twelve randomized clinical trials, including 678 patients and 1006 implants (ICC [n = 476]; INCC [n = 530]), were included. Meta-analysis revealed that ICC demonstrated a lower risk for marginal bone loss (SMD: -0.80 mm; p = 0.004) and prosthodontics complications (RR: 0.16; p = 0.01) than INCC. However, both internal connections demonstrated no significant difference in implant survival rates (RR: 0.54; p = 0.10) and biological complications (RR: 0.90; p = 0.82). The overall risk of bias revealed some concerns and a low risk of bias for most of the included studies. However, the certainty of evidence of outcomes was considered low to moderate. CONCLUSION ICC may be considered a more favorable treatment option than INCC owing to greater preservation of peri-implant bone tissue and a lower probability of prosthodontics complications. However, well-conducted studies with long-term follow-up are warranted.
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Affiliation(s)
- Vitor Venâncio Moreira Rodrigues
- Department of Dentistry, Federal University of Juiz de Fora (UFJF), Campus Avançado Governador Valadares, Governador Valadares, Minas Gerais, Brazil
| | - Daniele Sorgatto Faé
- Postgraduate Program in Applied Health Sciences (PPGCAS), Federal University of Juiz de Fora (UFJF), Campus Avançado Governador Valadares, Governador Valadares, Minas Gerais, Brazil
| | - Cleber Davi Del Rei Daltro Rosa
- Department of Dental Materials and Prosthodontics, Aracatuba Dental School, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - Victor Augusto Alves Bento
- Department of Dental Materials and Prosthodontics, Aracatuba Dental School, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - Mariane Floriano Lopes Santos Lacerda
- Department of Dentistry, Federal University of Juiz de Fora (UFJF), Campus Avançado Governador Valadares, Governador Valadares, Minas Gerais, Brazil
| | - Eduardo Piza Pellizzer
- Department of Dental Materials and Prosthodontics, Aracatuba Dental School, UNESP-Univ Estadual Paulista, Araçatuba, São Paulo, Brazil
| | - Cleidiel Aparecido Araujo Lemos
- Department of Dentistry, Federal University of Juiz de Fora (UFJF), Campus Avançado Governador Valadares, Governador Valadares, Minas Gerais, Brazil
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Qi M, Deng S, Tan Z. Clinical study to assess influence of immediate provisionalization and various implant morphologies on implant stability: A prospective clinical study. Front Surg 2023; 9:1095741. [PMID: 36684336 PMCID: PMC9852988 DOI: 10.3389/fsurg.2022.1095741] [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: 11/11/2022] [Accepted: 11/21/2022] [Indexed: 01/07/2023] Open
Abstract
Introduction The aim of this study was to evaluate the influence of different implant morphologies and immediate provisionalization options on the change of implant stability. Methods 94 Patients were randomized to receive implants from Straumann® BL/Straumann® BLT/Astra OsseoSpeed® TX, meanwhile having the same opportunity to receive healing abutment or immediate provisionalization. Implant stability quotient (ISQ) and marginal bone loss (MBL) were recorded at following timepoints. Parametric statistic was used for data analysis. Results Data showed that ISQ and MBL values of conical/straight/straight with micro-thread neck implants had no significant difference. Discussion Immediate provisionalization options could move the dip point of ISQ values ahead or delayed around one week, which were also relevant to implant systems. MBL values were proved to be unaffected by both two factors mentioned above.
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Affiliation(s)
- Meiyao Qi
- State Key Laboratory of Oral Diseases, National Clinical Research Center of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shiyong Deng
- State Key Laboratory of Oral Diseases, National Clinical Research Center of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhen Tan
- State Key Laboratory of Oral Diseases, National Clinical Research Center of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China,Correspondence: Zhen Tan
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Galindo‐Moreno P, Catena A, Pérez‐Sayáns M, Fernández‐Barbero JE, O'Valle F, Padial‐Molina M. Early marginal bone loss around dental implants to define success in implant dentistry: A retrospective study. Clin Implant Dent Relat Res 2022; 24:630-642. [PMID: 35831919 PMCID: PMC9796358 DOI: 10.1111/cid.13122] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/26/2022] [Accepted: 06/29/2022] [Indexed: 01/01/2023]
Abstract
PURPOSE The aim of this study was to establish an objective criterion in terms of marginal bone level (MBL) to know the prognosis of an implant. MATERIALS AND METHODS A group of 176 patients in whom 590 implants were placed were included in this retrospective study. Patients older than 18 years, presenting either Kennedy class I or II edentulous section, or totally edentulous at least in one of the dental arches were included in this study. Those with any type of disturbance able to alter bone metabolism or with nontreated periodontal disease were excluded. Data on radiographic MBL at loading, 6 and 18 months later, age, gender, smoking habits, history of periodontitis, bone substratum, implant, and prosthetic features were recorded. Nonparametric receiver operating curves (ROC) were constructed for the MBL at 18 months in order to establish a distinction among high bone loser (HBL) and low bone loser (LBL) implants. Differences as a function of main variables were also determined, particularly abutment height and periodontal disease. RESULTS HBL implants lost at least 0.48 mm of MBL 6 months after loading; they reached at least 2 mm of MBL 18 months after loading. MBL rate followed a nonlinear trend, except in implants restored over long prosthetic abutments and in patients with history of severe periodontitis; in whom the rate of MBL over the time was nearly zero. CONCLUSION Implants that lose more than 0.5 mm of marginal bone 6 months after loading are at great risk of not being radiographically successful anymore. Therefore, 0.5 mm of MBL is proposed as a distinctive and objective criterion of success in Implant Dentistry within a 6-month follow-up period. A prosthetic abutment height ≥2 mm resulted the most protective factor in the peri-implant bone maintenance.
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Affiliation(s)
- Pablo Galindo‐Moreno
- Department of Oral Surgery and Implant Dentistry, School of DentistryUniversity of GranadaGranadaSpain
| | - Andrés Catena
- Department of Experimental Psychology, School of PsychologyUniversity of GranadaGranadaSpain
| | - Mario Pérez‐Sayáns
- Oral Medicine, Oral Surgery and Implantology Unit, Faculty of Medicine and DentistryUniversity of Santiago de CompostelaSantiago de CompostelaSpain
| | | | - Francisco O'Valle
- Department of Pathology, School of Medicine & IBIMERUniversity of GranadaGranadaSpain,Instituto de Investigación Biosanitariaibs.GRANADAGranadaSpain
| | - Miguel Padial‐Molina
- Department of Oral Surgery and Implant Dentistry, School of DentistryUniversity of GranadaGranadaSpain
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