Osteotomy in direct sinus lift. A comparative study of the rotary technique and ultrasound

  1. María Peñarrocha Diago 1
  2. Miguel Peñarrocha Diago 2
  3. Cristina Sánchez Recio 3
  4. David Peñarrocha Oltra 4
  5. Javier Romero Millán 4
  1. 1 DDS, PhD Associate Professor of Oral Surgery, Valencia University Medical and Dental School
  2. 2 DDS, MD, PhD Chairman of Oral Surgery and Director of the Master in Oral Surgery and Implantology, Valencia University Medical and Dental School
  3. 3 PhD Master in Oral Surgery and Implantology, Valencia University Medical and Dental School
  4. 4 DDS, DDS Master ´s Degree Student of Oral Surgery and Implantology, Valencia University medical and Dental School, Valencia
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Revista:
Medicina oral, patología oral y cirugía bucal. Ed. inglesa

ISSN: 1698-6946

Año de publicación: 2012

Volumen: 17

Número: 3

Páginas: 27

Tipo: Artículo

DOI: 10.4317/MEDORAL.17599 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Medicina oral, patología oral y cirugía bucal. Ed. inglesa

Resumen

Purpose: The present study investigates sinus membrane rupture in direct maxillary sinus lift with the rotary technique and with ultrasound, examining the survival of implants placed after sinus augmentation, and analyzing the bone gain obtained after the operation and 12 months after placement of the prosthetic restoration. Material and Methods: A retrospective study was made of 45 patients requiring maxillary sinus lift or augmentation for implant-prosthetic rehabilitation. Use was made of the hand piece and ostectomy drills for the rotary technique, and of specific tips for ultrasound. The implant success criteria were based on those developed by Buser. The bone gain obtained as a result of sinus lift was calculated from the postoperative panoramic X-rays. Results: A total of 57 direct elevations of the maxillary sinus were carried out: 32 with the rotary technique and 25 with ultrasound. Perforations of Schneider’s membrane with the rotary technique and ultrasound occurred in 7% and 1.7% of the cases, respectively, with membrane integrity being preserved in 91.2%. Of the 100 implants placed, 5 failed after one year of follow-up in the rotary technique group, while one implant failed in the ultrasound group. The rotary technique in turn afforded a bone gain of 5.9 mm, versus 6.7 mm with ultrasound. Conclusions: Perforations of the membrane sinusal in direct lift were more frequent with the rotary technique (7%) than with ultrasound (1.7%). Implant survival and bone gain were both greater when ultrasound was used.

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