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논문 기본 정보

자료유형
학술저널
저자정보
Jeong-In Choi (Department of Dental Science Graduate School Chonnam National University Gwangju Republic of Korea) Myeong-Seop Lim (Department of Dental Science Graduate School Chonnam National University Gwangju Republic of Korea) Hyun-Joo Lee (Department of Dental Science Graduate School Chonnam National University Gwangju Republic of Korea) 김영준 (전남대학교)
저널정보
조선대학교 치의학연구원 Oral Biology Research Oral Biology Research 제45권 제4호
발행연도
2021.12
수록면
165 - 173 (9page)
DOI
10.21851/obr.45.04.202112.165

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Root resection is one of the methods for treating molars with furcation involvement. The maxillary molars usually have three roots, and therefore the risk of furcation involvement is higher. The purpose of this study was to examine the factors that necessitate root resection therapy in maxillary molars and to evaluate the factors that influence the prognosis after root resection therapy. In this retrospective study, 68 maxillary molars in 68 patients who had undergone root resection therapy from December 2008 to October 2015 at the Chonnam National University Dental Hospital, Department of Periodontology were examined. Of the 68 molars examined, 55 were maxillary first molars and 13 were maxillary second molars. Distobuccal (DB) roots were resected more frequently than mesiobuccal (MB) roots. Survival rates of maxillary molars were higher after MB root amputation than after DB root amputation, although the difference was not statistically significant. Of the maxillary molars, 12 (17.6%) failed. The most common reason for root resection in maxillary molars was periodontal diseases (42.7%). The maxillary molars whose roots were resected because of periodontal lesions had a lower failure rate than those resected because of nonperiodontal problems, such as endodontic problems, root fractures, and caries. The overall molar survival rate was 82.4% according to Kaplan?Meier survival estimates. For long-term molar survival after root resection therapy, appropriate case selection, correct operative procedures, and proper oral care after surgery are necessary.

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