Piezosurgery for Sagittal Split Osteotomy: Procedure Duration and Postoperative Sensory Perturbation.

Köhnke, Robert; Kolk, Andreas; Kluwe, Lan; Ploder, Oliver

doi:10.1016/j.joms.2017.05.003

2017

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Titel:: Piezosurgery for Sagittal Split Osteotomy: Procedure Duration and Postoperative Sensory Perturbation.
Dokumenttyp:: Journal Article; Randomized Controlled Trial
Autor(en):: Köhnke, Robert; Kolk, Andreas; Kluwe, Lan; Ploder, Oliver
Abstract:: To evaluate piezosurgery for bilateral sagittal split osteotomy (BSSO) for its duration and inferior alveolar nerve (IAN) perturbation.In this prospective randomized study, the authors evaluated 100 BSSO procedures in 50 patients. Piezoelectric (group I) and conventional (group II) osteotomies were carried out on each side of the mandible of a patient by 2 specialists. The surgeons had at least 1 year of experience using piezosurgery. The period from incision to complete splitting of the mandibular bone was recorded (ie, procedure duration). The intraoperative status (visibility and relocation) of the IAN also was recorded. The neurosensory function of the IAN was measured by the 2-point discrimination threshold and static light touch methods before surgery and postoperatively (1, 3, and 6 weeks and 6 and 12 months). Parameters were compared between the test groups by the paired t, nonparametric Wilcoxon, or ? test.Intergroup comparison showed the mean duration of osteotomy was significantly shorter for group I (17 ± 6 vs 25 ± 9 minutes; P < .001). The rate of intraoperative exposures of the IAN was slightly lower for group I (68%) compared with group II (81%). However, the difference was not relevant. Neurosensory disturbance and recovery of the IAN did not differ between groups.Piezoelectric osteotomy requires considerably less time than conventional mechanical approaches, but shows no advantage in preventing neurosensory perturbation.
Zeitschriftentitel:: J Oral Maxillofac Surg
Jahr:: 2017
Band / Volume:: 75
Heft / Issue:: 9
Seitenangaben Beitrag:: 1941-1947
Sprache:: eng
Volltext / DOI:: doi:10.1016/j.joms.2017.05.003
PubMed:: http://view.ncbi.nlm.nih.gov/pubmed/28595839
Print-ISSN:: 0278-2391
TUM Einrichtung:: Klinik und Poliklinik für Mund-, Kiefer- und Gesichtschirurgie
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mediaTUM Gesamtbestand Einrichtungen Schools TUM School of Medicine and Health Departments Clinical Medicine Klinik und Poliklinik für Mund-, Kiefer- und Gesichtschirurgie (Prof. Wolff)2017