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VOLUME 3 , ISSUE 1 ( March, 2018 ) > List of Articles


Morphometric Study of Accessory Infraorbital Foramen in Northern Indian Human Skull

Amrita Gupta, Kamta P Nirala, Subhash Gupta

Keywords : Accessory infraorbital foramen, Indian human skull, Morphometry

Citation Information : Gupta A, Nirala KP, Gupta S. Morphometric Study of Accessory Infraorbital Foramen in Northern Indian Human Skull. Int J Adv Integ Med Sci 2018; 3 (1):36-40.

DOI: 10.5005/jp-journals-10050-10119

License: CC BY-SA 4.0

Published Online: 01-06-2019

Copyright Statement:  Copyright © 2018; The Author(s).


Introduction: The aim of this study was to document the morphological and topographical anatomy of the accessory infraorbital foramen (AIOF) in relation to the main infraorbital foramen (IOF), which is necessary in clinical situations that require regional nerve blocks. Materials and methods: A total of 72 dry Indian adult human skulls of unknown age and gender were studied. Presence and position were noted. In each skull, the position of AIOF on both sides was measured using a metal casing Vernier caliper, with the IOF as the reference point. The number of accessory foramen was also noted. Results: Accessory IOFs were seen only in 4.16% in our study and all seen were single in number. Half of those accessory foramen were present on medial and half were present on superomedial position as compared with the main IOF; 50% of present accessory foramens were located at a distance of lesser than 2 mm and 50% were located at a distance of more than 2 mm. The mean location of AIOF was 3.1 mm from main IOF. Conclusion: Knowledge of the anatomical characteristics of AIOF may have important implications on blocking the infraorbital nerve for surgical and local anesthetic planning. Information on the foramens obtained from this study may provide additional guidance to surgeons when introducing needles in anesthetic procedures. The surgeons must remember this during nerve block since injury to any branch can result in sensory loss and incomplete nerve block.

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