Anthropometric Measurements of Infraorbital Foramen and its Anatomic Variations in Dried Human Skulls.
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Date
2015-10
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Abstract
Aim: This study was to determine the distance between IOF and IOM, IOF and pyriform aperture,the presence of
accessory foraminae, orientation and location in relation with teeth on both the sides.
Materials and Methods: Fifty dried human skulls (100 sides) irrespective of age and sex were used for this
study. The distance between the IOF and IOM and the distance between the IOF and pyriform aperture were
measured by using manual vernier calliper. The orientation, location in relation with teeth and presence of
accessory foramina were observed macroscopically.
Observations and Discussion: Accessory foramina may give complications during anaesthetization of this region.
The mean distance between the IOF and infraorbital margin was 22.6mm and 15.2mm on the left and right side
respectively. Mean distance between I.O.F and pyriform aperture was 26.2mm and 25.8mm on the left and right
side respectively. In 30% skulls the IOF were directed vertically downward on the right side and in 38% on the
left side. In 66% downward medially on the right side and 56% on the left side and in4% skulls medially on the
right side and 6% on the left side. The majority of IOF were oriented to second premolar teeth on the right side
and between second premolar and first molar on the left side.Accessory foraminae were found in 6% of skulls.
The results of our study may be helpful during surgical procedures in the maxillary region in reduction of Lefort
fracture, and giving regional nerve block.
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Keywords
Infraorbital foramen, Infraorbital margin, Pyriform aperture, Manual vernier calliper
Citation
Sharma Shikha, Sharma Anil, Thakur Chetna , Modi Bhawani Shankar. Anthropometric Measurements of Infraorbital Foramen and its Anatomic Variations in Dried Human Skulls. International Journal of Anatomy and Research. 2015 Oct-Dec; 3(4): 1487-1490.