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Skeletal relapse of maxillary osteotomies in unilateral cleft lip and palate patients


, : Skeletal relapse of maxillary osteotomies in unilateral cleft lip and palate patients. International Journal of Adult Orthodontics and Orthognathic Surgery 15(1): 30-36

The outcomes of a consecutive series of 10 adults who had unilateral cleft lip and palate and who had undergone Le Fort I advancement fixed with miniplates were investigated. The amount and timing of horizontal and vertical relapse, the correlation between advancement and relapse, and the effectiveness of various methods of internal fixation were analyzed with respect to the authors' clinical experience and the data from the international literature. Tracings of the preoperative and serial postoperative lateral cephalograms--taken immediately and during the 1 1/2 to 2 postoperative years--were analyzed to calculate horizontal and vertical maxillary change. We found that the use of rigid fixation is associated with a significantly more stable postoperative result, as described by other authors. Our study suggests that this useful technique does not eliminate but reduces and controls the problem of relapse in a series of unilateral cleft lip and palate adult patients undergoing Le Fort I osteotomy.

US$29.90

PMID: 11307220


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