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Osteotome sinus floor elevation with or without grafting: a 3-year randomized controlled clinical trial
Mi-si Si1, Long-fei Zhuang, Ying-xin Gu
1Department of Oral and Maxillo-facial Implantology, Shanghai 9th People's Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.
Journal of Clinical Periodontology
|February 22, 2013
Summary
Osteotome sinus floor elevation (OSFE) with and without bone grafting provides predictable dental implant outcomes. Simultaneous grafting offers no significant clinical advantage over OSFE alone for implant success.
Area of Science:
- Oral and Maxillofacial Surgery
- Periodontology
- Dental Implantology
Background:
- Sinus floor elevation is crucial for maxillary posterior dental implants.
- Osteotome sinus floor elevation (OSFE) is a technique to augment bone height.
- The necessity of grafting materials in OSFE remains debated.
Purpose of the Study:
- To compare clinical and radiographic outcomes of OSFE with and without simultaneous bone grafting.
- To evaluate implant survival and bone gain following OSFE procedures.
Main Methods:
- A randomized controlled trial involving 45 patients undergoing OSFE.
- Group 1: OSFE with deproteinized bovine bone mineral (DBBM) and autogenous bone chips.
- Group 2: OSFE without grafting. Outcomes assessed included endo-sinus bone gain (ESBG), implant survival, and marginal bone loss (MBL) over 36 months.
Main Results:
- High implant survival rates (95.2% in Group 1, 95.0% in Group 2) were observed.
- Both groups showed significant bone gain, with ESBG stabilizing after 6 months.
- Marginal bone loss after 3 years was comparable between groups (1.33 mm vs. 1.38 mm).
Conclusions:
- OSFE with simultaneous implant placement is a predictable procedure, with or without grafting.
- The use of grafting materials in OSFE does not significantly enhance clinical success rates.
- These findings suggest that OSFE alone can achieve successful implant outcomes in the posterior maxilla.
