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Clinical outcomes of conometric retention for implant-supported fixed prostheses: A systematic review and
Paolo De Angelis1, Paolo Francesco Manicone2, Giuseppe De Rosa1
1Resident, Division of Oral Surgery and Implantology, Department of Head and Neck, Institute of Clinical Dentistry, Oral Surgery and Implantology Unit, A. Gemelli University Hospital Foundation (IRCCS) Catholic University of the Sacred Heart, Rome, Italy.
Statement Of Problem:
Conometric retention was developed as an effective and predictable rehabilitative option. However, the clinical performance of conometric retention is still uncertain.
Purpose:
The purpose of this systematic review and meta-analysis was to analyze the clinical outcomes of patients rehabilitated with conometrically retained, implant-supported fixed prostheses.
Material And Methods:
Following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) 2020 guidelines, a systematic review of relevant literature published before September 2022 was conducted in the NIH library, the Cochrane Library, the Web of Science, and MEDLINE, and a manual search was performed. A meta-analysis of the resulting statistical data was carried out. Screening criteria to select the studies to include in the systematic review and meta-analysis were developed. Implant and prosthesis survival rates and probing pocket depth were assessed.
Results:
The 11 studies included in the meta-analysis showed that changes in pocket probing depths were not statistically significant (P=.32). The analysis of the resulting implant and prosthesis survival rates showed a mean survival rate of 99.17% and 98.73%, respectively.
Conclusions:
From this systematic review and meta-analysis, conometric retention seems to be a predictable therapeutic option associated with high implant and prosthesis survival rates. However, further long-term, and homogenous studies are required to better understand their clinical and long-term limitations.
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