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Intraoral Premaxillary Distraction in a Patient With Maxillary Retrognathic Cleft Lip and Palate: A Case Report. 2019

Sung-Hwan Choi, and Jin Hoo Park, and Jung-Yul Cha, and Hwi-Dong Jung
1 Department of Oral & Maxillofacial Surgery, Oral Science Research Institute, Yonsei University College of Dentistry, Seoul, South Korea.

Patients with cleft lip and palate sometimes have a retruded maxilla. Here, we describe the case of a young man in whom crowding of the maxillary teeth and an anteroposterior discrepancy of the maxilla were resolved by premaxillary distraction osteogenesis (DO) using 3 individual intraoral distractors. Our experience in this patient confirms that premaxillary DO with 3 intraoral distractors and preoperative simulation can achieve stable maxillary advancement and arch expansion without impairing velopharyngeal incompetence.

UI MeSH Term Description Entries
D008297 Male Males
D008437 Maxilla One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS. Maxillae,Maxillary Bone,Bone, Maxillary,Bones, Maxillary,Maxillary Bones,Maxillas
D002508 Cephalometry The measurement of the dimensions of the HEAD. Craniometry
D002971 Cleft Lip Congenital defect in the upper lip where the maxillary prominence fails to merge with the merged medial nasal prominences. It is thought to be caused by faulty migration of the mesoderm in the head region. Harelip,Cleft Lips,Harelips,Lip, Cleft,Lips, Cleft
D002972 Cleft Palate Congenital fissure of the soft and/or hard palate, due to faulty fusion. Cleft Palate, Isolated,Cleft Palates,Palate, Cleft,Palates, Cleft
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D019340 Osteotomy, Le Fort Transverse sectioning and repositioning of the maxilla. There are three types: Le Fort I osteotomy for maxillary advancement or the treatment of maxillary fractures; Le Fort II osteotomy for the treatment of maxillary fractures; Le Fort III osteotomy for the treatment of maxillary fractures with fracture of one or more facial bones. Le Fort III is often used also to correct craniofacial dysostosis and related facial abnormalities. (From Dorland, 28th ed, p1203 & p662) LeFort Osteotomy,Osteotomy, LeFort,Le Fort Osteotomy
D019857 Osteogenesis, Distraction Bone lengthening by gradual mechanical distraction. An external fixation device produces the distraction across the bone plate. The technique was originally applied to long bones but in recent years the method has been adapted for use with mandibular implants in maxillofacial surgery. Callotasis,Distraction Osteogenesis,Callotases,Distraction Osteogeneses,Osteogeneses, Distraction

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