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Morphological Study of Coronoid Process of Mandible and its Clinical Significance

Kanani Sanjaykumar D , Modasiya Umesh P.1 , Kanani Sanjaykumar D.2

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Indian Journal of Anatomy 7(3):p 323-327, May-June 2018. | DOI: http://dx.doi.org/10.21088/ija.2320.0022.7318.18

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Abstract

Introduction: Coronoid process is a beak like projection flattened from side to side at the antero-superior aspect of the ramus. This process gives attachment to two important muscles of mastication –Temporalis muscle attached to apex, whole of the medial surface and anterior part of lateral surface of the coronoid process. Material and Method: coronoid process of 110 mandibles was observed on both sides for its shape. The length of the coronoid process was taken from the line tangential to the deepest part of mandibular notch to the apex. Result: Rounded type of coronoid process was found in 94 (42.73%), triangular in 74 (33.63%) and hook shape in 52 (23.64%). 74.55% mandibles were showing bilateral symmetry and only 25.45% of mandibles were showing difference in the shapes in both sides. Rounded type more prevalent in females (45%) than males (41.43%), whereas hook shape more prevalent in females (25%) than males (22.86%) and triangular more prevalent in males (35.71%) than females (30%). Mean and SD for length of coronoid process was calculated. Conclusion: The knowledge of variation in the shape of coronoid process is important for maxillofacial surgeons for the reconstructive surgeries.

 

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DOI: http://dx.doi.org/10.21088/ija.2320.0022.7318.18

Keywords

Coronoid Process; Mandible; Morphology.

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