지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.1
- 수록면
- 63 - 70 (8page)
이용수
초록· 키워드
오류제보하기
Materials and methods: Sixty extracted premolars were assigned to three groups according to the root canal system (Weine’s classification; type I, II and III) of 20 teeth each using radiographic examination. The root tip was cut horizontally 1 mm from the anatomical apex and the apical cross-section was visualized using microscope at x50 magnification and photographed. Minimum and maximum apical root canal diameter of each tooth was measured and classified into three types by canal morphology (round, oval and flattened shape). Statistical analysis was performed to compare the apical root canal diameter and morphology according to the root canal system.
Results: In apical root canal morphology at cross-sectional view, the most common shape was round in type I, flat in type II, and oval in type III. In apical root canal diameters at cross-sectional view, there was a significant difference between the minimum and maximum diameter in all types (p<0.05). The maximum diameter was 0.331 mm in type I, 0.519 mm in type II, and 0.310 mm in type III. There was a significant difference among type I, III and type II (p<0.05).
Conclusion: The morphology and diameter of apical root canal was different according to the root canal system. Therefore, clinicians should consider the apical file size in view of the apical root canal shape according to the root canal system.
Results: In apical root canal morphology at cross-sectional view, the most common shape was round in type I, flat in type II, and oval in type III. In apical root canal diameters at cross-sectional view, there was a significant difference between the minimum and maximum diameter in all types (p<0.05). The maximum diameter was 0.331 mm in type I, 0.519 mm in type II, and 0.310 mm in type III. There was a significant difference among type I, III and type II (p<0.05).
Conclusion: The morphology and diameter of apical root canal was different according to the root canal system. Therefore, clinicians should consider the apical file size in view of the apical root canal shape according to the root canal system.
목차
ABSTRACT
Ⅰ. 서론
Ⅱ. 실험재료 및 방법
Ⅲ. 결과
Ⅳ. 고찰
Ⅴ. 결론
참고문헌
참고문헌 (16)
참고문헌 신청
[학술지(정기간행물)] - Kuttler Y / 1955 / Microscopic investigation of root apexes / J Am Dent Assoc 50 (5) : 544 ~ 552
[학술지(정기간행물)] - Saad AY / 2003 / The location of the cementodentinal junction in single-rooted mandibular first premolars from Egyptian and Saudi patients: a histological study / Int Endod J 36 (8) : 541 ~ 544
[학술지(정기간행물)] - Ponce EH / 2003 / The cemento-dentinocanal junction, the apical foramen, and the apical constriction: evaluation by optical microscopy / J Endod 29 (3) : 214 ~ 219
[학술지(정기간행물)] - Mizutani T / 1992 / Anatomical study of the root apex in the maxillary anterior teeth / J Endod 18 (7) : 344 ~ 347
[단행본] - Weine FS / 1982 / Endodontic Therapy / Mosby : 210 ~ 211
[학술지(정기간행물)] - Saad AY / 2003 / The location of the cementodentinal junction in single-rooted mandibular first premolars from Egyptian and Saudi patients: a histological study / Int Endod J 36 (8) : 541 ~ 544
[학술지(정기간행물)] - Ponce EH / 2003 / The cemento-dentinocanal junction, the apical foramen, and the apical constriction: evaluation by optical microscopy / J Endod 29 (3) : 214 ~ 219
[학술지(정기간행물)] - Mizutani T / 1992 / Anatomical study of the root apex in the maxillary anterior teeth / J Endod 18 (7) : 344 ~ 347
[단행본] - Weine FS / 1982 / Endodontic Therapy / Mosby : 210 ~ 211
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UCI(KEPA) : I410-ECN-0101-2017-515-001992020