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New treatment modality for maxillary hypoplasia in cleft patients Protraction facemask with miniplate anchorage

Cited 20 time in Web of Science Cited 24 time in Scopus
Authors
Baek, Seung-Hak; Kim, Keun-Woo; Choi, Jin-Young
Issue Date
2010-07
Publisher
E H ANGLE EDUCATION RESEARCH FOUNDATION, INC
Citation
ANGLE ORTHODONTIST, Vol.80, No.4, pp.783-791
Keywords
Maxillary protractionFacemaskMiniplate
Abstract
Objective: To present cleft patients treated with protraction facemask and miniplate anchorage (FM/MP) in order to demonstrate the effects of FM/MP on maxillary hypoplasia. Materials and Methods: The cases consisted of cleft palate only (12 year 1 month old girl, treatment duration = 16 months), unilateral cleft lip and alveolus (12 year 1 month old boy, treatment duration = 24 months), and unilateral cleft lip and palate (7 year 2 month old boy, treatment duration = 13 months). Curvilinear type surgical miniplates (Martin, Tuttlinger, Germany) were placed into the zygomatic buttress areas of the maxilla. After 4 weeks, mobility of the miniplates was checked, and the orthopedic force (500 g per side, 30 degrees downward and forward from the occlusal plane) was applied 12 to 14 hours per day. Results: In all cases, there was significant forward displacement of the point A. Side effects such as labial tipping of the upper incisors, extrusion of the upper molars, clockwise rotations of the mandibular plane, and bite opening, were considered minimal relative to that usually observed with conventional protraction facemask with tooth-borne anchorage. Conclusions: FM/MP can be an effective alternative treatment modality for maxillary hypoplasia with minimal unwanted side effects in cleft patients. (Angle Orthod. 2010;80:783-791.)
ISSN
0003-3219
Language
English
URI
http://hdl.handle.net/10371/80548
DOI
https://doi.org/10.2319/073009-435.1
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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