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

Domenii publicaţii > Ştiinţe medicale + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Rusu MC, Sandulescu M, Ciuluvica RC, Sendroiu VM, Didilescu AC.

Editorial: Surg Radiol Anat., 34(3), p.277-279, 2011.


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.

Cuvinte cheie: Mandible  Mandibular nerve  Mental nerve  Alveolar residual ridge