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KMID : 0855520070200030169
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Korean Journal of Physical Anthropology
2007 Volume.20 No. 3 p.169 ~ p.178
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The Position of Mandibular Canal in the Sections of the Mandible
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Yoon Yang-Ha
Jeong Hwa-Hae
Jeon Yu-Mi
Lee Sang-Wan
Lee Jun-Hee
Song Yong-Tai
Seo Youn-Kyoung
Paik Doo-Jin
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Abstract
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The complications and sequelae after the mandibular surgery are related to inferior alveolar neurovascular bundles, which pass through the mandibular canal. The knowledge of their positions would decrease the risk of mandibular surgery dramatically and would be used for the development of the new surgical techniques. This study was undertaken to clarify the anatomical position of mandibular canal for the mandibular surgery.
Forty four mandibules (23 males and 21 females average 66.5 years) obtained from the collection of Hanyang medical college were studied. The location of mandibular canal in the sections between premolars and molars were measured.
The obtained results were as follows;
At first, the mandibular canal lay lingual to the distal part of the body of the mandible. It then ran anteriorly and to the buccal part of the mandible between the first and the second premolars. In the sections between premolars and molars, the distance between the mandibular canal and the lower border of mandibular body was 8.9±1.9 ㎜ at the position of the first molar, the distance between the deepest point of the alveolar socket and the mandibular canal was 9.5±3.5 ㎜ at the second molar, which was the narrowest point.
The results of this study would be useful to decrease the risk of the mandibular surgery and to develop the new techniques for mandibul surgery in the field of the dentistry and maxillofacial surgery.
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KEYWORD
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Mandible, Mandibular canal, Premolar, Molar
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