{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T13:13:57Z","timestamp":1760188437229},"reference-count":31,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2002,2,15]],"date-time":"2002-02-15T00:00:00Z","timestamp":1013731200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Anatomy"],"published-print":{"date-parts":[[2002,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>To analyze changes in mandibular form associated with an inverted\u2010L osteotomy and autogenous bone graft, preoperative, early postoperative (EPO), and late postoperative (LPO) lateral cephalographs of 14 children (mean age \u22489 years) with unilateral craniofacial microsomia (CFM) were scanned and nine mandibular landmarks digitized. Average mandibular geometries, scaled to an equivalent size, were generated using Procrustes superimposition. Cephalometry, Euclidean distance matrix analysis (EDMA), and thin\u2010plate spline (TPS) analyses were carried out on mean mandibular configurations. Cephalometric results showed increases in oblique mandibular length (\u22489% on average, <jats:italic>P<\/jats:italic> &lt; 0.05) and increased ramus height (<jats:italic>P<\/jats:italic> &lt; 0.05). Similarly, using EDMA there were also significant differences (<jats:italic>P<\/jats:italic> &lt; 0.05) between the mean preoperative, EPO, and LPO configurations. The most demonstrable EPO change in the mandibular configuration using EDMA was increased oblique length (\u224811%). This improvement depended on ramus oblique lengths increasing by \u224826%, ramus height increasing by \u224825%, and mandibular body length increasing by \u22485%. For TPS analysis, affine and nonaffine changes contributed to the total spline. In all three comparisons the affine transformation showed an antero\u2013inferior rotation of the mandibular configuration. For nonaffine changes the EPO configuration indicated a supero\u2013inferior stretch of the mandibular configuration. The nonaffine LPO changes maintained the supero\u2013inferior stretch of the mandibular configuration. It is concluded that improvements in the lateral facial profile of CFM patients can be achieved using an inverted\u2010L osteotomy, with little relapse \u22482 years postoperatively. Clin. 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