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논문 기본 정보

자료유형
학술저널
저자정보
Toshihiro Imamura (Tokyo Medical and Dental University) Shunsuke Uesugi (Tokyo Medical and Dental University) Takashi Ono (Tokyo Medical and Dental University)
저널정보
대한치과교정학회 대한치과교정학회지 대한치과교정학회지 제50권 제3호
발행연도
2020.5
수록면
216 - 226 (11page)

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초록· 키워드

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Root resorption can be caused by several factors, including contact with the cortical bone. Here we report a case involving a 21-year-old female with Angle Class II, division 1 malocclusion who exhibited significant root resorption in the maxillary right central incisor after orthodontic treatment. The patient presented with significant left-sided deviation of the maxillary incisors due to lingual dislocation of the left lateral incisor and a Class II molar relationship. Cephalometric analysis demonstrated a Class I skeletal relationship (A pointnasion- B point, 2.5°) and proclined maxillary anterior teeth (upper incisor to sella-nasion plane angle, 113.4°). The primary treatment objectives were the achievement of stable occlusion with midline agreement between the maxillary and mandibular dentitions and appropriate maxillary anterior tooth axes and molar relationship. A panoramic radiograph obtained after active treatment showed significant root resorption in the maxillary right central incisor; therefore, we performed cone-beam computed tomography, which confirmed root resorption along the cortical bone around the incisive canal. The findings from this case, where different degrees of root resorption were observed despite comparable degrees of orthodontic movement in the bilateral maxillary central incisors, suggest that the incisive canal could be an inducing factor for root resorption. However, further investigation is necessary to confirm this assumption.

목차

INTRODUCTION
DIAGNOSIS AND ETIOLOGY
TREATMENT OBJECTIVES
TREATMENT ALTERNATIVES
TREATMENT PROGRESS
RESULTS
DISCUSSION
CONCLUSION
REFERENCES

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UCI(KEPA) : I410-ECN-0101-2020-515-000680037