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KMID : 0360119920140010135
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Journal of the Korean Society of Maxillofacial Plastic Reconstructive Surgeons
1992 Volume.14 No. 1 p.135 ~ p.142
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the anatomical location of the mandibular canal by computed tomogram
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Abstract
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This study was performed to define the anatomical position of the mandibular canal and the findings during the sagittal split ramus osteotomy of the mandible.
The mandibles of 20 adjult Korean were used. The dimension of mandibular canal from the mandibular foramen to the 1st molar was measured at 4 specific coronal-sectional location by CT scan.
@ES The results were as follows:
@EN 1. The distance from the mandibular canal to the medial aspect of the buccal cortical plate was greatest (4.5±1.1mm) at 2nd molar area and was not significantly greater than at any other section.
2. Buccal cortex was thickest (3.8±0.9mm) at 2nd molar and thinnest (2.5±0.3mm) mandibular foramen area.
3. The distance from the mandibular canal to the medial aspect of the lingual cortical plate was not significant at any sections.
4. The distance from the mandibular canal to the inferior border of mandible was greatest at the mandibular foramen (20.7±3.9mm).
The canal was located more closely to the inferior border at 1st, 2nd molar area.
5. The diameter of the mandibular canal was between 2.5±0.3mm and 2.8±0.6mm.
6. The total mandibular thickness was greatest (21.1±2.6mm) at 2nd molar area and narrowest (17.2±3.2mm) at mandibular foramen area.
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KEYWORD
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