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International Journal of Implant Dentistry

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Open Access 01-12-2019 | Research

Vestibular bone thickness of the mandible in relation to the mandibular canal—a retrospective CBCT-based study

Authors: Silvio Valdec, Jan M. Borm, Stephanie Casparis, Georg Damerau, Michael Locher, Bernd Stadlinger

Published in: International Journal of Implant Dentistry | Issue 1/2019

Abstract

Background

The aim of this study was to assess vestibular bone thickness of the mandible in relation to the mandibular canal and position of the mental foramen in relation to the neighbouring teeth. Measurements were performed on radiographic cone-beam computed tomography (CBCT) images.

Methods

This retrospective study analysed 314 CBCTs, having been taken at the Clinic of Cranio-Maxillofacial and Oral Surgery, University of Zurich, Switzerland.

Results

CBCTs from 168 female and 146 male patients (median age 40.2 years) were analysed. Median bone thickness lateral to the nerve canal to the buccal mandibular cortical plate was ~ 4 mm immediately posterior to the mental foramen, increased to ≤ 6 mm over the next 30 mm, then decreased to ~ 3 mm at the level of the mandibular foramen. In two thirds of cases, both mental foramina were located near the second premolar (66.2% right, 67.7% left). Bone thickness and the position of the mental foramen showed marked intra- and interindividual variance.

Conclusions

A preoperative CBCT is recommended for detailed planning of surgical interventions that may reach the mandibular canal (e.g. wisdom teeth removal, root resection, implant placement, bone block harvesting).

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Title: Vestibular bone thickness of the mandible in relation to the mandibular canal—a retrospective CBCT-based study
Authors: Silvio Valdec
Jan M. Borm
Stephanie Casparis
Georg Damerau
Michael Locher
Bernd Stadlinger
Publication date: 01-12-2019
Publisher: Springer Berlin Heidelberg
Published in: International Journal of Implant Dentistry / Issue 1/2019
Electronic ISSN: 2198-4034
DOI: https://doi.org/10.1186/s40729-019-0189-z

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Springer Medicine

Vestibular bone thickness of the mandible in relation to the mandibular canal—a retrospective CBCT-based study

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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