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Surgical and Radiologic Anatomy

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01.04.2012 | Anatomic Variations

The extramandibular inferior alveolar nerve in cases with severely atrophic lower jaws

verfasst von: M. C. Rusu, M. Săndulescu, R. C. Ciuluvică, V. M. Şendroiu, A. C. Didilescu

Erschienen in: Surgical and Radiologic Anatomy | Ausgabe 3/2012

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Abstract

There are very few evidences on the extramandibular course (EMC) of the inferior alveolar nerve (IAN). We report here two such cases. The first one was encountered at dissection, in a human adult female cadaver where the right IAN terminal division was identified in the premolar region, above a severely atrophied mandibular body. The second case was a patient evaluated by cone-beam CT, who presented with an extremely atrophic mandible with bilateral extramandibular courses of the IANs. Such severe atrophy of the mandible may be considered as residual ridge class 7 along with the existing Atwood classes. EMCs of the IAN may not only occur in extreme mandibular atrophy, but also in dentate mandibles. In edentulous mandibles, an extramandibular IAN may complicate local surgical procedures or hamper denture wearing.

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Titel: The extramandibular inferior alveolar nerve in cases with severely atrophic lower jaws
verfasst von: M. C. Rusu
M. Săndulescu
R. C. Ciuluvică
V. M. Şendroiu
A. C. Didilescu
Publikationsdatum: 01.04.2012
Verlag: Springer-Verlag
Erschienen in: Surgical and Radiologic Anatomy / Ausgabe 3/2012
Print ISSN: 0930-1038
Elektronische ISSN: 1279-8517
DOI: https://doi.org/10.1007/s00276-011-0859-x

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