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A 5-year prospective study of implant-supported single-tooth replacements.
Leslie Laing Gibbard1, George Zarb
1Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.
Journal (Canadian Dental Association)
|March 1, 2002
Summary
Single Brånemark implants provide stable long-term results for tooth replacement. This study confirms their success in patients needing single-tooth implants, showing high success rates and minimal bone loss over five years.
Area of Science:
- Dental implantology
- Prosthodontics
- Biomaterials science
Background:
- Osseointegration success in edentulous patients often leads to assumptions about single-tooth replacements.
- Significant clinical differences exist between edentulous and partially edentulous patient management.
- Longitudinal assessment is crucial for understanding the long-term efficacy of dental implants.
Purpose of the Study:
- To conduct a longitudinal assessment of single-tooth implant-supported replacements.
- To evaluate the long-term success of Brånemark implants in single-tooth applications.
- To compare outcomes with those of implants used for completely edentulous patients.
Main Methods:
- Prospective follow-up study of patients treated before 1994.
- Inclusion of all consecutively treated patients with single Brånemark implants completed over 5 years prior.
- Assessment included osseointegration, soft-tissue appearance, implant stability, occlusal/proximal contacts, screw tightness, and patient satisfaction.
Main Results:
- All 30 assessed single-tooth implants met success criteria after 5+ years.
- Implants demonstrated immobility.
- Mean annual vertical bone reduction was less than 0.2 mm.
Conclusions:
- Single Brånemark implant-supported crowns achieve stable long-term results.
- This demonstrates the viability of single-tooth implants for durable tooth replacement.
- The findings support the use of this method for long-term patient satisfaction and function.