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Efficacy of Mandibular 2-implant Overdenture: An Updated Meta-analysis on Patient-based Outcomes
N Kodama1, B P Singh2, D Cerutti-Kopplin3
11 Department of Occlusal and Oral Functional Rehabilitation, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
Mandibular 2-implant overdentures significantly enhance patient satisfaction and oral health-related quality of life compared to conventional dentures. These findings support improved outcomes for edentate patients seeking better denture solutions.
Area of Science:
- Dental Implantology
- Prosthodontics
- Evidence-Based Dentistry
Background:
- The efficacy of mandibular 2-implant overdentures (IODs) compared to conventional dentures (CDs) has been debated.
- Patient-based outcomes are crucial for evaluating prosthetic treatment success.
Purpose of the Study:
- To update the evidence on the efficacy of mandibular 2-IODs versus CDs using patient-based outcomes.
- To assess patient satisfaction and quality of life in edentate patients.
Main Methods:
- A meta-analysis of randomized controlled trials (RCTs) was conducted.
- Searches included MEDLINE, EMBASE, and Cochrane databases up to September 2015.
- RCTs comparing mandibular 2-IODs with CDs were included, focusing on patient-reported outcomes.
Main Results:
- Mandibular 2-IODs significantly improved patient satisfaction (pooled effect size = 0.87) and oral health-related quality of life (pooled effect size = -0.66) compared to CDs.
- Significant heterogeneity was observed, potentially due to participant recruitment and pretreatment conditions.
- No significant differences in general health-related quality of life were found.
Conclusions:
- Mandibular 2-IODs offer superior patient satisfaction and oral health-related quality of life for edentate individuals compared to conventional dentures.
- Clinicians should consider patient health status and oral condition during treatment planning for optimal outcomes.
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