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Evaluation of Marginal Bone Level, Technical and Biological Complications Between Screw-retained and Cement-retained All-ceramic Implant-supported Crowns on Zirconia Abutment: A Systematic Review and Meta-analysis

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Specialty Dentistry
Date 2024 Jan 24
PMID 38263555
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Abstract

Purpose: The purpose of this study was to evaluate the difference in marginal bone level, technical and biological complications between screw-retained and cemented all-ceramic implant-supported crowns fabricated on zirconia abutment at different follow-up periods.

Materials And Methods: Independent search was conducted in Cochrane Library, EBSCO, and PubMed/PubMed Central/MEDLINE databases and the Google Scholar search engine for prospective studies and randomized controlled trials published between January 2014 and June 2023 evaluating the marginal bone level, technical and biological complications between screw-retained and cemented all-ceramic implant-supported crowns fabricated on zirconia abutment. Meta-analysis was conducted to assess the quantitative data on the marginal bone level and biological complications.

Results: A total of eight studies were included for qualitative synthesis and six studies for quantitative synthesis. For marginal bone level, no statistically significant difference was observed (P = 0.83 and P = 0.69, respectively) during the follow-up period of 3 years and 5 years. For probing depth, the cemented group showed more amount of probing depth than the screw-retained group at a follow-up period of 3 years (P < 0.05) whereas no statistically significant difference was observed at a follow-up period of 5 years (P = 0.73). For bleeding on probing, the cemented group showed more probing depth than the screw-retained group at a follow-up period of 5 years (P = 0.10).

Conclusion: The evidence suggests that the screw-retained group showed no statistically significant difference in marginal bone level, comparatively fewer biological complications, and relatively higher technical complications than the cemented group at different follow-up periods.

Citing Articles

Evaluation of zirconia implants in fibula and deep circumflex iliac artery flaps: a prospective 1.5-year follow-up study.

Kniha K, Mohlhenrich S, Peters F, Heitzer M, Winnand P, Bock A Clin Oral Investig. 2024; 29(1):21.

PMID: 39694985 DOI: 10.1007/s00784-024-06092-5.

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