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Crestal Bone Loss around Dental Implants: Platform Switching vs Platform Matching-A Retrospective Study
Rashmita Nayak1, Raghu Devanna2, Anand M Dharamsi3
1Department of Periodontology & Oral Implantology, Institute of Dental Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India,
The Journal of Contemporary Dental Practice
|May 30, 2018
Summary
Platform-switching dental implants showed significantly greater marginal bone gain compared to platform-matched implants. This demonstrates the effectiveness of platform-switching for preserving crestal bone around implants in clinical settings.
Area of Science:
- Dental Implantology
- Periodontology
- Biomaterials Science
Background:
- Marginal bone loss is a critical factor in dental implant success.
- Understanding the impact of implant-abutment interface design on bone levels is essential.
- Platform-switched implants offer a potential solution to mitigate marginal bone resorption.
Purpose of the Study:
- To compare vertical and horizontal marginal bone levels between platform-switched and platform-matched dental implants.
- To evaluate the efficacy of platform-switching in preserving peri-implant bone.
- To assess changes in alveolar bone 12 months post-restoration.
Main Methods:
- A prospective study involving 50 dental implants in 50 patients over one year.
- Periapical radiographs were used to measure marginal bone levels (vertical and horizontal gaps).
- Measurements were taken before and 12 months after prosthodontic restoration delivery.
Main Results:
- Platform-matched implants showed a bone gain of 0.53 mm (vertical) and 0.52 mm (horizontal).
- Platform-switched implants demonstrated a significantly greater bone gain of 1.33 mm (vertical, p < 0.05) and 1.60 mm (horizontal).
- A statistically significant difference in vertical bone regeneration was observed between the two groups (p < 0.05).
Conclusions:
- The platform-switching concept effectively preserves crestal bone around dental implants.
- Platform-switching is a clinically applicable strategy for enhancing peri-implant bone maintenance.
- This approach can lead to improved long-term outcomes for dental implant restorations.
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