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- W2387756782 abstract "Objective To provide the anatomical basis for the mandible osteotomy, establish a simple and feasible 2D coordinate system.It can contribute to the furtherance of protecting effectually the adjoin constitution, and raise the accuracy rating of the operation, when the clinician make the mandible osteotomy cosmesis. Methods In 10 side fresh adult Female head specimen and 1 fresh whole body,we perfuse the ambilateral external jugular vein;In 28 side routine retained head specimen, we deligation the ambilateral relevant blood vessel, and perfuse external jugular vein with the blue advertisement advertisement and made the vessel wall drum dyeing, and the vessel wall look ampros.On a page of ransparent plastic film whose thickness is 0.5mm, we construct a rectangular coordinate system with compasses needle .The scale division value of the rectangular coordinate system is 0.2cm.Then,we spread the soft graduated plastic film on the face lateral area,determin the zero of the rectangular coordinate system on the plastic film exactly lie on the most prominent dot of angle of mandible and Y axle is perpendicular to the line that is between the most prominent dot on outside-posterior direction on zygomatic arch and the lateral dot of rima oculi.We trace these dot of the marginal mandibular branch of facial nerve,the cervical branch of facial nerve, retromandibular vein, to the plastic film with oil paintbrush.In fine, we spread the plastic film on glass, measure these plot and get the indicatrix value. Results On left hand side, ①the root of the ramus marginalis mandibulae nervi facialis, cervical branch of facial nerve and retromandibular vein , is near to one another and to centralize at the position, whose coordinate value is (11.4±4.2mm,24.6±5.2mm).②We definie that the juncture of the ramus marginalis mandibulae nervi facialis and the ramus of mandible is A, the coordinate value of A dot is(6.0±3.1mm,20.4±4.3mm); We definie that the nearest position the ramus marginalis mandibulae nervi facialis near to the inferior border of mandible is B, the coordinate value of B dot is (38.2±5.3mm ,-2.8±4.6mm).Then, we through the most prominent dot of angle of mandible (O dot) draw a line that the line is perpendicular to AB line segment.we find the point of intersection of the line and AB line segment, definie the point of intersection is C, the coordinate value of C dot is (6.8±4.1mm ,-8.5±5.3mm).On right hand side, ①the root of the ramus marginalis mandibulae nervi facialis, cervical branch of facial nerve and retromandibular vein , is near to one another and to centralize at the position, whose coordinate value is (-14.8±5.4mm ,22.4±6.2mm).②We definie that the juncture of the ramus marginalis mandibulae nervi facialis and the ramus of mandible is A', the coordinate value of A' dot is (-6.0±4.5 mm ,18.8±5.7 mm). We definie that the nearest position the ramus marginalis mandibulae nervi facialis near to the inferior border of mandible is B', the coordinate value of B dot is (38.4±4.2 mm ,-3.0±5.2mm).Then, we through the most prominent dot of angle of mandible (O'dot) draw a line that the line is perpendicular to A'B' line segment.we find the point of intersection of the line and AB line segment, definie the point of intersection is C', the coordinate value of C'dot is (-6.4±4.6mm ,-12.4±4.1mm). Conclusion When the clinician make the mandible osteotomy cosmesis through the approach from post aurem,may consider the relative safe △ABC and △A'B'C' district." @default.
- W2387756782 created "2016-06-24" @default.
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- W2387756782 date "2008-01-01" @default.
- W2387756782 modified "2023-09-24" @default.
- W2387756782 title "Anatomical investigation and localization of the approach from post aurem about mandible osteotomy cosmesis" @default.
- W2387756782 hasPublicationYear "2008" @default.
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