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A 5-year multicenter study on implant-supported single crown restorations
H Scheller1, J P Urgell, C Kultje
1Department of Prosthodontics, Medizinische Hochschule, Hannover, Germany.
Summary
The Brånemark implant system demonstrates high success rates for single tooth replacement, with 95.9% implant survival and 91.1% crown success. This study confirms its safety and efficacy for tissue-integrated dental restorations.
Area of Science:
- Dental Implantology
- Prosthodontics
- Oral Surgery
Background:
- Single tooth loss is a common dental issue.
- Traditional tooth replacement methods have limitations.
- Dental implants offer a viable solution for restoring missing teeth.
Purpose of the Study:
- To evaluate the clinical outcomes of Brånemark implants for single tooth replacement.
- To assess the cumulative success rates of implants and crowns.
- To analyze long-term radiographic and soft tissue stability.
Main Methods:
- Multicenter prospective study design.
- Placement of 99 Brånemark implants for single tooth restoration.
- Restoration with CeraOne crowns.
- Radiographic evaluation at 1, 3, and 5 years post-placement.
Main Results:
- Overall cumulative success rate of 95.9% for implants and 91.1% for crowns.
- Minimal marginal bone resorption within acceptable limits.
- Stable soft tissue conditions observed throughout the study period.
- The gold abutment screw effectively prevented abutment screw loosening.
Conclusions:
- The Brånemark implant system is a safe and effective option for single tooth replacement.
- High implant and crown survival rates indicate long-term success.
- The system provides stable esthetic and functional outcomes for patients.