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Variations in mandibular coronoid process-A morphometric treatise

Introduction: The Coronoid process is a triangular upward projection from antero-superior part of ramus
of mandible giving attachment to two important muscles of mastication.
Aims: The aim of our study was to observe the variations in shape and size of coronoid process and
establish the morphometric profile in Indian population.
Materials and Methods: The material for this study comprised of 500 adult human mandibles. The shape
of coronoid process was observed and its height and length were measured.
Results: Three variants of coronoid process were observed (round, triangular and hook) with incidence
percentage 46, 42 and 12 respectively. The mean value of height and length of coronoid process came out
to be 60.62 mm and 12.53 mm respectively.
Conclusions: This morphometric treatise provides valuable inputs relevant for anthropological
comparisons, forensic investigations and reconstructive procedures.

Keywords: Mandible, Coronoid process, Rounded, Triangular, Hook.