Skeletal and dental stability after maxillary distraction with a rigid external device in adult cleft lip and palate patients

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Muge AksuMehmet Emin Mavili

Abstract

To evaluate skeletal and dental stability in adult cleft lip and palate patients treated with a rigid external distraction system at the end of distraction and during the postdistraction period. Lateral cephalograms of 7 patients were obtained before distraction, at the end of distraction, and during the postdistraction period. The mean age before distraction was 21.56 +/- 4.73 years. The mean follow-up was 37.3 +/- 12.4 months. The assessment of findings showed that skeletal maxillary sagittal movement was achieved in a superoanterior direction. The maxillary depth angle and effective maxillary length increased significantly (2 degrees and 9 mm, respectively) after distraction, whereas the palatal plane angle increased by 8 degrees , resulting in an anterior movement of the maxilla with a counterclockwise rotation. The lower facial height showed no significant changes after distraction. The sagittal movement of the upper incisors and the angulation of the upper first molars increased significantly (4.5 mm and 5.5 degrees , respectively). During the postdistraction period, the maxilla showed a slight relapse (22%). The effective maxillary length decreased by 2 mm. The palatal plane angle almost returned to its original position...Continue Reading

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Citations

Apr 2, 2013·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Jean-Charles DoucetGuillaume Captier
Mar 19, 2014·International Journal of Oral and Maxillofacial Surgery·J-C DoucetG Captier
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Jul 1, 2015·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Peter Ngan, Won Moon
Oct 8, 2014·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·Maria Costanza MeazziniRoberto Brusati
Mar 1, 2019·The Journal of Craniofacial Surgery·Shiqi LiuHuaming Mai
Apr 6, 2021·The Cleft Palate-craniofacial Journal : Official Publication of the American Cleft Palate-Craniofacial Association·Wei-Ling GaoYu-Jen Chang

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