Mapping the Mandibular Lingula in Pierre Robin Sequence: A Guide to the Inverted-L Osteotomy.
作者： Wendy Chen , Edward H. Davidson , Zoe M. MacIsaac , Anand Kumar
DOI: 10.1097/SCS.0000000000001945
关键词:
摘要: BACKGROUND AND PURPOSE The inverted-L osteotomy for mandibular distraction in Pierre Robin sequence (PRS) is a useful technique avoiding injury to the tooth root and inferior alveolar nerve. Identification of lingula understudied may decrease iatrogenic complications. This study aims map position micrognathic mandible compare location relative normal mandible. METHODS retrospective cohort symptomatic PRS patients. Three-dimensional CT scans were reviewed described. RESULTS includes 11 patients 4 controls. average measurements overjet 9.99 versus 4.28 mm (control) (P = 0.001), vertical ramus height 16.05 23.04 mm (P = 0.003), width 15.16 20.67 mm (P = 003); horizontal length 26.58 40.62 mm gonial angle 132.64° 123.5° (P = 0.018); 7.25 10.75 mm 9.02 11.34 mm (P = 0.026). ratio along x-axis was 0.44 0.52 controls (P = 0.138); y-axis, 0.57 0.49 (P = 0.078). CONCLUSIONS Compared controls, greater, widths are lesser, greater When analyzed as proportions ramus, there no statistical difference (P > 0.05) between
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