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Successful bone formation at immediate transmucosal implants: a clinical report
C H Hämmerle1, U Brägger, B Schmid
1Department of Periodontology and Fixed Prosthodontics, University of Bern, Switzerland. Hammerle@zmk.unibe.ch
The International Journal of Oral & Maxillofacial Implants
|August 26, 1998
Summary
Guided bone regeneration successfully formed new bone in peri-implant defects around immediate transmucosal implants. This technique demonstrated significant bone fill, indicating its efficacy for enhancing bone volume in challenging dental implant cases.
Area of Science:
- Periodontology
- Dental Implantology
- Regenerative Medicine
Background:
- Immediate transmucosal implants offer functional and aesthetic advantages.
- Peri-implant defects can compromise implant stability and aesthetic outcomes.
- Guided bone regeneration (GBR) is a technique used to augment bone volume.
Purpose of the Study:
- To evaluate the efficacy of GBR in creating bone within peri-implant defects.
- To assess bone formation in defects associated with immediate transmucosal implants.
- To determine the success rate of GBR in achieving bone fill in these specific defects.
Main Methods:
- Ten patients received immediate transmucosal implants placed into extraction sockets.
- An expanded polytetrafluoroethylene (ePTFE) membrane was used to cover peri-implant defects.
- Clinical measurements of defect depth, width, and volume were taken at baseline and 5 months post-surgery.
Main Results:
- A statistically significant decrease in mean defect depth from 4.7 mm to 2.1 mm was observed (P < .01).
- A significant mean increase in bone height of 6.7 mm was recorded at the deepest defect sites (P < .01).
- Approximately 94% of the area beneath the membrane was filled with new bone after 5 months.
Conclusions:
- Guided bone regeneration is a successful method for generating bone in peri-implant defects.
- This technique is effective for immediate transmucosal implants, improving bone volume.
- GBR shows significant potential for enhancing outcomes in dental implantology.