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KMID : 0358819850120020147
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Journal of Korean Society of Plastic and Reconstructive Surgeons
1985 Volume.12 No. 2 p.147 ~ p.152
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ANATOMICAL RELATIONSHIP BETWEEN INTERNAL MAXILLARY ARTEGY AND PTERYGOMAXILLARY JUNCTION
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Park Byung-Il
Yang Won-Yong
Lee Doo-Hyung
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Abstract
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Within the recent ten years, the use of maxillary osteotomies for the correction of maxillofacial and craniofacial deformities has increased. But the important structures of the pteryopalatine fossa are likely to injure, because of the narrow operative field and the difficult approach in the fossa. So severe hemorrhage due to injury of the internal maxillary artery has been the major problem in the maxillary surgical procedures.
Relationship of the internal maxillary artery in the pterygopalatine fossa to pterygomaxillary junction is an useful inforamtion for the surgeon performing midfacial osteotomies. So the investigation was conducted to establish the anatomical relationship between the internal maxillary artery in the pterygopalatine fossa and pterygomaxillary junction by dissection of 18 korean adult cadavers(31 sides) and external carotid angiography of craniofacial deformity patients(10 cases).
The results obtained were as follows:
1. The mean distance from the most inferior junction of the maxilla and pterygoid plate to the most inrerior position of the internal maxillary artery in the pterygopalatine fossa was 24.6mm with a standard deviation of 1.9mm.
2. The mean height of the pterygomaxillary junction was 15.7mm with a standard deviation of 2.5mm.
3. The mean external diameter of the internal maxillary artery was 2.5mm with a standard deviation of 0.2mm.
4. Following above results, high osteotomy in the midface may be performad asfely , if the osteotomes are less than 15mm in length.
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KEYWORD
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