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Effect of the attachment system on the biomechanical and clinical performance of overdentures: A systematic review.
J Prosthet Dent. 2020 Apr; 123(4):589-594.JP

Abstract

STATEMENT OF PROBLEM

Overdentures can improve the quality of life of elderly patients compared with conventional complete dentures. Different attachment systems can be used to retain these prostheses, but which system results in better function, mechanical performance, and patient comfort is unclear.

PURPOSE

The purpose of this systematic review was to evaluate randomized clinical trials to compare overdentures supported by either bar and clip or ball and O-ring attachments for retention, masticatory efficiency, bone loss, and patient satisfaction.

MATERIAL AND METHODS

A literature search was conducted in the PubMed and Web of Science databases. From 163 studies, 16 randomized clinical trials were included in this systematic review based on the inclusion and exclusion criteria. The risk of bias was evaluated according to the RevMan software Risk of Bias Table (RoB Table), and only the studies with a low or intermediate risk of bias were included in the review.

RESULTS

From the limited number of studies, the attachment type did not affect the masticatory quality of the patients, bone loss marginal to the implants, or the degree of patient satisfaction. However, overdentures with the bar and clip attachment tended to have higher initial retention than the ball and O-ring system.

CONCLUSIONS

Both the bar and clip and ball and O-ring attachment systems presented similar clinical performance regarding mechanical and functional properties and patient satisfaction.

Authors+Show Affiliations

Professor, University Ibirapuera (UNIB), São Paulo, Brazil. Electronic address: flavia.goncalves@ibiraupera.edu.br.Private practice, São Paulo, Brazil.Graduate student, University Ibirapuera (UNIB), São Paulo, Brazil.Professor, Foundation for the Scientific and Technological Development of Dentistry (FUNDECTO), São Paulo, Brazil.

Pub Type(s)

Journal Article
Systematic Review

Language

eng

PubMed ID

31542217

Citation

Gonçalves, Flávia, et al. "Effect of the Attachment System On the Biomechanical and Clinical Performance of Overdentures: a Systematic Review." The Journal of Prosthetic Dentistry, vol. 123, no. 4, 2020, pp. 589-594.
Gonçalves F, Campestrini VLL, Rigo-Rodrigues MA, et al. Effect of the attachment system on the biomechanical and clinical performance of overdentures: A systematic review. J Prosthet Dent. 2020;123(4):589-594.
Gonçalves, F., Campestrini, V. L. L., Rigo-Rodrigues, M. A., & Zanardi, P. R. (2020). Effect of the attachment system on the biomechanical and clinical performance of overdentures: A systematic review. The Journal of Prosthetic Dentistry, 123(4), 589-594. https://doi.org/10.1016/j.prosdent.2019.03.024
Gonçalves F, et al. Effect of the Attachment System On the Biomechanical and Clinical Performance of Overdentures: a Systematic Review. J Prosthet Dent. 2020;123(4):589-594. PubMed PMID: 31542217.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of the attachment system on the biomechanical and clinical performance of overdentures: A systematic review. AU - Gonçalves,Flávia, AU - Campestrini,Vera Lucia Lima, AU - Rigo-Rodrigues,Marco Antônio, AU - Zanardi,Piero Rocha, Y1 - 2019/09/18/ PY - 2019/02/18/received PY - 2019/03/28/revised PY - 2019/03/28/accepted PY - 2019/9/23/pubmed PY - 2020/4/9/medline PY - 2019/9/23/entrez SP - 589 EP - 594 JF - The Journal of prosthetic dentistry JO - J Prosthet Dent VL - 123 IS - 4 N2 - STATEMENT OF PROBLEM: Overdentures can improve the quality of life of elderly patients compared with conventional complete dentures. Different attachment systems can be used to retain these prostheses, but which system results in better function, mechanical performance, and patient comfort is unclear. PURPOSE: The purpose of this systematic review was to evaluate randomized clinical trials to compare overdentures supported by either bar and clip or ball and O-ring attachments for retention, masticatory efficiency, bone loss, and patient satisfaction. MATERIAL AND METHODS: A literature search was conducted in the PubMed and Web of Science databases. From 163 studies, 16 randomized clinical trials were included in this systematic review based on the inclusion and exclusion criteria. The risk of bias was evaluated according to the RevMan software Risk of Bias Table (RoB Table), and only the studies with a low or intermediate risk of bias were included in the review. RESULTS: From the limited number of studies, the attachment type did not affect the masticatory quality of the patients, bone loss marginal to the implants, or the degree of patient satisfaction. However, overdentures with the bar and clip attachment tended to have higher initial retention than the ball and O-ring system. CONCLUSIONS: Both the bar and clip and ball and O-ring attachment systems presented similar clinical performance regarding mechanical and functional properties and patient satisfaction. SN - 1097-6841 UR - https://www.unboundmedicine.com/medline/citation/31542217/Effect_of_the_attachment_system_on_the_biomechanical_and_clinical_performance_of_overdentures:_A_systematic_review L2 - https://linkinghub.elsevier.com/retrieve/pii/S0022-3913(19)30349-X DB - PRIME DP - Unbound Medicine ER -