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Bone-implant interface around titanium implants under different loading conditions: a histomorphometrical analysis in
George E Romanos1, Chooi Gait Toh, Chong Huat Siar
1Johann Wolfgang University, Dental School (Carolinum), Department of Oral Surgery and Implantology, Frankfurt, Germany. Dr.G.E.Romanos@t-online.de
Journal of Periodontology
|December 5, 2003
Summary
Dental implant loading conditions significantly impact bone healing. Both delayed and immediate loading promote bone growth, with no significant difference between the two, suggesting immediate loading is a viable option for osseointegration.
Area of Science:
- Dental Implantology
- Biomaterials Science
- Oral Surgery
Background:
- Peri-implant bone healing is influenced by loading conditions.
- Progressive thread design implants were used in the posterior mandible of monkeys.
Purpose of the Study:
- To histomorphometrically evaluate bone response to unloaded, delayed, and immediately loaded implants.
- To compare bone healing around implants with different loading protocols.
Main Methods:
- Nine adult monkeys underwent dental implant placement after premolar and molar extraction.
- Implants were subjected to three conditions: unloaded healing, delayed loading, and immediate loading.
- Histological and histomorphometric analysis was performed after 3 months of loading.
Main Results:
- All implants achieved osseointegration without gaps.
- Delayed and immediately loaded implants showed significantly increased bone-to-implant contact (BIC) and bone area (BA) compared to unloaded implants.
- No significant difference in BIC or BA was observed between delayed and immediately loaded implants.
Conclusions:
- Implant loading stimulates bone formation, enhancing osseointegration.
- Immediate implant loading can achieve similar osseointegration results as delayed loading.