Affiliation:
1. Department of General Dentistry School of Dental Medicine East Carolina University Greenville North Carolina USA
2. Federal University of Santa Catarina Florianopolis Santa Catarina Brazil
3. Department of Prosthodontics University of Iowa College of Dentistry and Dental clinics Iowa City Iowa USA
4. Department of Restorative Dental Sciences Division of Prosthodontics University of Florida College of Dentistry Gainesville Florida USA
5. Departments of Prosthodontics and Periodontics Eastman Institute for Oral Health University of Rochester Rochester New York USA
Abstract
AbstractPurposeThis systematic review was conducted to evaluate the prevalence of interproximal contact loss (ICL) between implant restorations and adjacent teeth in relation to age, gender, follow‐up time, and arch location.MethodsThis study followed the Preferred Reporting Items for Systematic Reviews and Meta‐Analyses (PRISMA) guidelines and was registered in the Open Science Framework (OSF). The formulated population, intervention, comparison, outcome (PICO) question was “What is the prevalence of the ICL between implant restoration and adjacent teeth?” The search strategy used four main electronic databases and an additional manual search was performed until February 2023. Clinical studies that evaluated the prevalence of interproximal open contact between implant restorations and adjacent teeth were included. A qualitative analysis for clinical studies was used to assess the risk of bias. In addition, a single‐arm meta‐analysis of proportion was performed to evaluate the percentage of mesial versus distal open contact and total ICL between implant restoration and adjacent teeth.ResultsFifteen studies published between 2014 and 2023 met the eligibility criteria. Seven studies presented ICL rates higher than 20%. All studies evaluated ICL in posterior regions (molar, premolar area). Five studies had an ICL rate lower than 50% and three studies had an ICL rate higher than 50%. One study assessed the interproximal contact at three months post‐restoration insertion, four studies assessed the interproximal contact at 1‐year follow‐up and nine studies evaluated the interproximal contact over 2 years of follow‐up. Mesial and distal ICL rates were 44.2% (95% CI: 30.6% to 58.6%) and 27.5% (95% CI: 10.5% to 55.0%), respectively. The heterogeneity between studies was high (I2 (95% CI) = 87.8% (75.9% to 93.8%).ConclusionBased on the results of the included studies, the prevalence of ICL was high, occurring more frequently at the mesial contact. There were no significant differences in relation to age, gender, and arch location.
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