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How Is the Created Alveolar Space Finally Restored After Maxillary Anterior Segmental Distraction Osteogenesis?

Authors
 Da So Mi Kim  ;  Eun Hack Choi  ;  Ha Na Sha  ;  Jung-Yul Cha 
Citation
 JOURNAL OF CRANIOFACIAL SURGERY, Vol.31(4) : e343-e347, 2020-06 
Journal Title
 JOURNAL OF CRANIOFACIAL SURGERY 
ISSN
 1049-2275 
Issue Date
2020-06
Abstract
Objective: Maxillary anterior segmental distraction osteogenesis (MASDO) for cleft and palate patients is the alternative treatment option to correct malocclusion with maxillary arch deficiency and severe crowding. After MASDO, prosthetic considerations are crucial for patients with cleft lip and palate because it is related to facial esthetics and occlusal function. The objectives of this study were to investigate the final restoration type for created alveolar space by MASDO. Methods: Thirteen patients with cleft lip and palate who underwent MASDO and orthodontic treatment from the years 2000 to 2010 in Yonsei University were examined. Final restorations are classified as dental implants, conventional prosthesis, and orthodontic space closure. The relationship between the distracted areas and final restoration type was investigated. The authors evaluated lateral cephalograms obtained at predistraction osteogenesis (pre-DO; T1), postdistraction osteogenesis (post-DO; T2), and debond (T3), and measured changes from T1 to T2 and from T2 to T3. Results: There was no significant difference of final restoration percentage of dental implants, conventional prosthesis, and space closure with orthodontic treatment. However, dental implants and conventional prostheses were applied more frequently in the posterior area and in the anterior area, respectively. The relapse rate was observed as 36.7% and 22.4% in the values of N-A distance and ANB angulation in T2-T3 stage. Conclusion: The MASDO site should be decided, based on final restoration goal. Among the created alveolar spaces, implants were applied mainly to the posterior site and the conventional prostheses were mostly restored to the anterior site. For space closure by orthodontic approach, the area could be both anterior or posterior.
Full Text
https://journals.lww.com/jcraniofacialsurgery/Fulltext/2020/06000/How_Is_the_Created_Alveolar_Space_Finally_Restored.81.aspx
DOI
10.1097/SCS.0000000000006282
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Cha, Jung Yul(차정열)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179443
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