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A 5-year prospective study of Astra single tooth implants
R M Palmer1, P J Palmer, B J Smith
1Guy's, King's and St Thomas' Hospital School of Medicine and Dentistry, London, UK. richard.palmer@umds.ac.uk
Clinical Oral Implants Research
|February 24, 2001
Summary
The Astra Tech Implant ST demonstrates high success in single tooth replacement over 5 years. Dental implant stability and bone levels remained consistent, indicating a reliable long-term solution.
Area of Science:
- Dental Implantology
- Prosthodontics
- Oral Surgery
Background:
- Single tooth replacement is a common dental procedure.
- Dental implants offer a durable solution for missing teeth.
- Long-term clinical data is crucial for evaluating implant success.
Purpose of the Study:
- To clinically and radiographically assess the Astra Tech Implant ST for single tooth replacement.
- To evaluate implant performance and bone level changes over a 5-year period.
Main Methods:
- A 5-year prospective study involving 15 patients with missing maxillary anterior teeth.
- Placement of Astra Tech Implant ST (13mm and 15mm lengths).
- Clinical evaluations and periapical radiographs taken at crown insertion, 1, 3, and 5 years.
Main Results:
- High implant survival rate with no losses in 14 out of 15 patients.
- No abutment screw loosening or soft tissue complications reported.
- Stable marginal bone levels observed, with minimal changes from baseline over 5 years.
Conclusions:
- Astra Tech Implant ST shows high success rates for single tooth replacement.
- The implant system maintains stable bone levels over 5 years of function.
- This implant is a reliable option for restoring missing maxillary anterior teeth.