A Morphometric Study of the Mandibular Foramen in Dry Adult Human Mandibles - A Study in RIMS, Imphal.
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2017, Vol 16, Issue 12
Abstract
Background/ Introduction: The mandibular foramen is present on the medial surface of the mandibular ramus. It leads into the mandibular canal which contains the inferior alveolar neurovascular bundle. It is an important landmark for inferior alveolar local anaesthetic block injection prior to dental surgeries on lower jaw. Inaccurate localization of mandibular foramen may lead to failure and injury to the inferior alveolar neurovascular bundle. Therefore, this study is aimed to determine the precise position of the mandibular foramen from various anatomical landmarks. Methods and Materials: 50 dry adult mandibles of unknown sex and age were obtained from Department of Anatomy, Regional Institute of Medical Sciences, Imphal, Manipur. Distances from mandibular foramen to 1) Anterior border of ramus 2) Posterior border of ramus 3)Mandibular notch 4)Gonial angle and 5)Mandibular base were measured using a digital vernier calliper to determine the position of the mandibular foramen. Data obtained was statistically analysed. Results: A total of 100 mandibular foramina and 13 accessory mandibular foraminas were observed .The mean distance of Mandibular foramen to 1) Anterior border of the ramus is 16.9±1.92 mm (Left side) and 16.77±1.92 mm (Right side) 2) Posterior border of the ramus is 11.21±1.40 mm (Left side) and 11.05±1.24 mm (Right side) 3) Mandibular notch is 23.15±3.65 mm (Left side) and 22.93±3.88 mm (Right side) 4) Gonial angle is 21.8±3.09 mm (Left side) and 21.02±3.43 mm (Right side) 5) Mandibular base is 23.64±3.29 mm (Left side) and 22.96±3.21 mm (Right side). Conclusion: Precise position of the mandibular foramen for successful inferior alveolar neurovascular block is essential for performing various dental surgeries
Authors and Affiliations
Rajkumari K, Nongthombam SS, Chongtham RS, Huidrom SD, Tharani P, Sanjenbam SD
Keywords
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