The transcrestal hydrodynamic ultrasonic cavitational sinuslift: Results of a 2-year prospective multicentre study on 404 patients, 446 sinuslift sites and 637 inserted implants

Angelo Troedhan, Andreas Kurrek, Marcel Wainwright, Izabela Schlichting, Bianca Fischak-Treitl, Martin Ladentrog

Center for Facial Aesthetics Vienna, Vienna, Austria.
Implantology Clinic Kaiserswerth, Dusseldorf, Germany.
Implantology Clinic Oberkassel, Dusseldorf, Germany.
Office for General Dentistry and Implantology, Graz, Austria.
Office for General Dentistry and Implantology, Mattersburg, Austria.

DOI: 10.4236/ojst.2013.39078                

Abstract

Introduction: In 2006 an ultrasound-surgery-based method to hydrodynamically detach the sinus-membrane utilizing the ultrasonic cavitation effect—the tHUCSL—was developed and a surgical protocol established. The aim of the study was to determine the indication-range and success-rate of this novelty procedure. Materials & Methods: Between 2007 and 2009, 404 patients were treated by 6 oral surgeons of different experience-levels with the tHUCSL in 446 sinussites. 637 implants were inserted and then prosthodontically treated and observed and documented until December 2011. The subantral space was augmented via the 3 mm transcrestal approach with an augmentation volume of 1.9 ccm (+/? 0.988 ccm) and an augmentation height of 10.7 mm (+/? 2.85 mm). Results: Within the survey-period 15 (2.35%) of the 637 inserted implants were lost, mostly before implant loading due to postsurgical infection and nonosseointegration in the augmentation site. 1 implant was lost after implant loading and prosthetic treatment within 1 year after loading. The overall success rate with functional implants in site is 97.65% evenly distributed among the participating surgeons. 86% of the patients were observed with no postsurgical swelling and 87% no postsurgical pain. Discussion: The results suggest the tHUCSL to be a safe minimal-invasive alternative to traditional lateral approach and transcrestal osteotome sinuslift-procedures applicable to all anatomical situations.

Keywords

Transcrestal; Hydrodynamic Sinuslift; Bone Augmentation; Implants; Ultrasound Surgery; Maxillary Sinus

Conflicts of Interest

The authors declare no conflicts of interest.

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