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Clinical Oral Investigations

Published in:

01-11-2017 | Original Article

Evaluation of ultrasonic and conventional surgical techniques for genioplasty combined with two different osteosynthesis plates: a cadaveric study

Authors: Stephan Christian Möhlhenrich, Nassim Ayoub, Ulrike Fritz, Andreas Prescher, Frank Hölzle, Ali Modabber

Published in: Clinical Oral Investigations | Issue 8/2017

Abstract

Objectives

The aim of this study was to compare genioplasties performed using traditional saw or piezosurgery combined with different osteosynthesis plates.

Materials and methods

Thirty-two genioplasties were first performed on fresh human cadavers using a saw or piezosurgery, followed by chin osteosynthesis with bending or pre-shaped plates. The time required for osteotomy and plate fixation was measured, and the suprahyoid pedicle was inspected.

Results

The mean time required was 204 s (SD 43) with the saw and 52 s (SD 67) with piezosurgery. Osteosynthesis fixation time was 100 s (SD 31) for pre-shaped plates and 124 s (SD 24) for individual plates. Statistical differences were found between both osteotomy techniques (p < 0.001) and osteosynthesis plates (p = 0.025). Injuries of the suprahyoid muscle pedicle were found in 10/16 saw cases and 3/16 piezosurgery cases (p = 0.012).

Conclusions

Although piezosurgery is more time consuming compared with saw osteotomy, it is still adequate in time and allows a reduction of the suprahyoid pedicle injuries. Therefore, piezosurgery seems to be a viable alternative technique for genioplasty. From a clinical point of view, the time difference for osteosynthesis fixation has no significance.

Clinical relevance

The time taken for ultrasonic surgery is suitable for clinical use and leads additional to less damage to the suprahyoid pedicle.

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Title: Evaluation of ultrasonic and conventional surgical techniques for genioplasty combined with two different osteosynthesis plates: a cadaveric study
Authors: Stephan Christian Möhlhenrich
Nassim Ayoub
Ulrike Fritz
Andreas Prescher
Frank Hölzle
Ali Modabber
Publication date: 01-11-2017
Publisher: Springer Berlin Heidelberg
Published in: Clinical Oral Investigations / Issue 8/2017
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-016-2040-8

At a glance: The STEP trials

Springer Medicine

Evaluation of ultrasonic and conventional surgical techniques for genioplasty combined with two different osteosynthesis plates: a cadaveric study

Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

At a glance: The STEP trials

Springer Medicine

Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

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