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Morphological Characteristics of Human Mandible: A Guide for Sexing of Mandible

Vaibhav P. Anjankar, Assistant professor of Anatomy, Andaman & Nicobar Islands Institute of Medical Sciences (ANIIMS), Port Blair. 744104 Andaman & Nicobar, India. , Gunwant R. Chaudhari* , Bipinchandra Khade** , Vaibhav P. Anjankar**

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Indian Journal of Anatomy 6(2):p 226-228, April- June 2017. | DOI: http://dx.doi.org/10.21088/ija.2320.0022.6217.25

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Abstract

Background: Mandible being largest and strongest bone of skull, having various morphological feature may show changes with reference to age, sex and race. The study of various morphological features o mandible can be useful to determine age, sex and race of the individual in various medico-legal cases as well as in other anthropological studies. Materials and Methods: The study was carried out on 110 dry mandibles (free from pathological or traumatic damages, Edentulous and bones with absorbed alveolar margins were also excluded from the study). The parameters studied were shape of lingula and coronoid process, distribution of genial tubercles and angle of mandible. Observations: Triangular shape of lingula was found to be the most common both in males & females and assimilated type as least common. Triangular coronoid process was most common in males (64.22 %) and hook like coronoid process is commonest in females (41.67%). Discussion: Locating the exact location of lingula plays an immense role in anesthetic surgical block of inferior alveolar nerve. Triangular lingula are the commonest in our study and most of other studies also. The coronoid process can be used as an excellent donor graft site for reconstruction of orbital floor deformities. So its shape carry monumental role for reconstructive maxillofacial surgeries like orbital floor repair. The above mentioned parameters of mandible play substantial role in sexing of the mandible.


Keywords: Morphological; Medico-Legal; Masticatory; Edentulous.  

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DOI: http://dx.doi.org/10.21088/ija.2320.0022.6217.25

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