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Change in sinus membrane dimension following sinus floor elevation: a retrospective cohort study
Guillaume Anduze-Acher1, Benoit Brochery, Rufino Felizardo
1Department of Periodontology, Service of Odontology, Rothschild Hospital, AP-HP, Paris 7 - Denis Diderot University, U.F.R. of Odontology, Paris, France.
Clinical Oral Implants Research
|June 20, 2012
Summary
Maxillary sinus augmentation using the lateral window technique with deproteinized bovine bone does not affect sinus membrane thickness. However, current smoking may reduce the expected postoperative surgical space for dental implants.
Area of Science:
- Oral and Maxillofacial Surgery
- Dental Implantology
- Regenerative Medicine
Background:
- Maxillary sinus augmentation is crucial for dental implant placement in the posterior maxilla.
- The lateral window technique is commonly used, but its effect on sinus membrane thickness and factors influencing surgical space require investigation.
Purpose of the Study:
- To evaluate the impact of the lateral window technique for maxillary sinus augmentation on sinus membrane thickness.
- To identify factors associated with the mean postoperative surgical space achieved.
Main Methods:
- Retrospective cohort study of 37 patients undergoing maxillary sinus augmentation.
- Analysis of 74 preoperative and postoperative CT scans to measure sinus membrane thickness.
- Linear regression model to identify factors influencing postoperative surgical space.
Main Results:
- No significant change in sinus membrane thickness was observed post-augmentation.
- Significant augmentation of surgical space was achieved (mean graft height 12 mm).
- Current smoking was identified as a factor significantly reducing the expected postoperative surgical space (P=0.02).
Conclusions:
- Sinus floor augmentation using the lateral window technique with deproteinized bovine bone does not negatively impact sinus physiology.
- Smoking is a significant factor that can negatively affect the outcome of maxillary sinus augmentation in terms of achieved surgical space.
