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Flapless transcrestal sinus augmentation using hydrodynamic piezoelectric internal sinus elevation with autologous
Ji-Min Kim1, Dong-Seok Sohn, Min-Su Bae
1*Clinical Instructor, Department of Dentistry and Oral and Maxillofacial Surgery, Daegu Catholic University Hospital, Daegu, Korea. †Professor, Department of Dentistry and Oral and Maxillofacial Surgery, Daegu Catholic University Hospital, Daegu, Korea. ‡Assistant Professor, Department of Dentistry and Oral and Maxillofacial Surgery, Daegu Catholic University Hospital, Daegu, Korea.
Purpose:
The purpose of this retrospective study was to evaluate the success rate of implants and the amount of sinus augmentation using the flapless hydrodynamic piezoelectric internal sinus elevation (HPISE) technique with autologous concentrated growth factors (CGF) alone.
Materials And Methods:
A total of 11 maxillary sinuses were augmented using the HPISE technique through the flapless transcrestal approach. Sixteen implants (average 11.38 mm in length and 4.83 mm in diameter), with 2 different surfaces, were placed simultaneously with CGF alone. Plain panoramic radiograms and cone-beam computed tomograms (CBCT) were taken in all patients to evaluate the sinus augmentation preoperatively and postoperatively.
Results:
The sinus membranes were successfully elevated, averaging 13.95 ± 6.61 mm in immediate postoperative CBCT without any iatrogenic perforation. After an average 23.8 weeks, the average bone gain above the sinus floor was 8.23 ± 2.88 mm in the axial aspect of CBCT. No complications were recorded in any patients during the follow-up period.
Conclusion:
The flapless transcrestal approach to the sinus augmentation using the HPISE technique with autologous CGF alone could be an alternative to the lateral approach, even at severely resorbed edentulous posterior maxilla with insufficient bone height.
