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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한악안면성형재건외과학회 Maxillofacial Plastic Reconstructive Surgery Maxillofacial Plastic Reconstructive Surgery 제39권 제11호
- 발행연도
- 2017.11
- 수록면
- 1 - 6 (6page)
- DOI
- DOI 10.1186/s40902-017-0131-3
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초록· 키워드
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AbstractBackground: Patients who received orthodontic treatment are likely to have apical root shortening. It appears thatexternal apical root resorption results from a combination of patient-related risk factors such as genetic influences,systemic factors, and orthodontic treatment-related factors. Regarding the fact that the anterior segmentalosteotomy (ASO) has been known for its possibility of complementing external apical root resorption and ofbuffering periodontal problems, it has been the preferred treatment. However, the studies on the efficacy of ASO inpreserving the root are not sufficient. In this study, we compared the amount of root resorption between thepatients who only received orthodontic treatment and the patients who received orthodontic treatment with ASO.
Methods: This study included 28 patients (the number of incisor = 198) who received orthodontic treatment withor without ASO. We categorize them into groups A and B by the type of orthodontic treatment (group A:conventional orthodontic treatment; group B: orthodontic treatment with ASO). Cone-beam computedtomographic and cephalometric evaluations were retrospectively performed on the radiographs taken for thediagnosis of the treatment before treatment and at the end of active treatment.
Results: In group B, root resorption itself and its rate both turned out to have significantly lower than those ingroup A. Also, the change of incisal angle is significantly smaller in group B than in group A. On the other hand, ingroup A, the change of incisal angle was positively correlated with the change of AP (anteroposterior) position. Ingroup B, the change of incisal angle was negatively correlated with the duration of the orthodontic treatment. Ingroup B, amount of root resorption (mm) was positively correlated with the duration of the orthodontic treatment.
Conclusions: The results show lesser root resorption and shorter treatment duration with ASO than withconventional orthodontic treatment. Therefore, if the indications are accurately determined, ASO can be an effectivetreatment option when the amount of root resorption is expected to be high, especially in late adults.
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참고문헌 (30)
참고문헌 신청
Lew KK / 1989 / Profile changes following anterior subapical osteotomy in Chinese adults with bimaxillary protrusion / Int J Adult Orthodon Orthognath Surg 4(3):189~196
Baek SH / 2005 / Determinants of successful treatment of bimaxillary protrusion: orthodontic treatment versus anterior segmental osteotomy / J Craniofac Surg 16(2):234~246
Yokoo S / 2003 / Indications and procedures for segmental dentoalveolar osteotomy: a review of 13 patients / Int J Adult Orthodon Orthognath Surg 17(4):254~263
Shawky MM / 2012 / Evaluation of the three-dimensional soft tissue changes after anterior segmental maxillary osteotomy / Int J Oral Maxillofac Surg 41(6):718~726
Bell WH / 1970 / Surgical-orthodontic correction of adult bimaxillary protrusion / J Oral Maxillofac Surg 28(8):578~590
Baek SH / 2005 / Determinants of successful treatment of bimaxillary protrusion: orthodontic treatment versus anterior segmental osteotomy / J Craniofac Surg 16(2):234~246
Yokoo S / 2003 / Indications and procedures for segmental dentoalveolar osteotomy: a review of 13 patients / Int J Adult Orthodon Orthognath Surg 17(4):254~263
Shawky MM / 2012 / Evaluation of the three-dimensional soft tissue changes after anterior segmental maxillary osteotomy / Int J Oral Maxillofac Surg 41(6):718~726
Bell WH / 1970 / Surgical-orthodontic correction of adult bimaxillary protrusion / J Oral Maxillofac Surg 28(8):578~590
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