Acknowledgement
Supported by : 서울대학교병원
Restorative Dentistry and Endodontics
- Volume 12 Issue 1
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- Pages.165-169
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- 1986
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- 2234-7658(pISSN)
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- 2234-7666(eISSN)
A STUDY ON THE ANATOMY OF THE PULP CHAMBER FLOOR OF THE PERMANENT MANDIBULAR SECOND MOLAR
하악(下顎) 제2대구치(第二大臼齒) 치수저(齒髓底)의 해부학적(解剖學的) 고찰(考察)
- Kwon, Hyuk-Choon (Dept. of Operative Dentistry, College of Dentistry, Seoul National University)
- 권혁춘 (서울대학교 치과대학 보존학교실)
- Published : 1986.12.31
Abstract
A total of 114 extracted human mandibular 2nd molars were used to study the configuration of the floor of the chamber. The specimens were ground and the pulp chamber was examined with a magnifier and explored with sharp explorer. The study showed the shape of the pulp chamber, number of root canals, and the type of canal orifice. The results were as follows, 1. In so far as observing the shape of the pulp chamber of the teeth, 47.4% of the teeth were square, 42.9% were triangle and 9.7% were ovoid shape. 2. 35% of the samples had 2 root canal orifices, 62% had 3 root canal orifices, 3% had 4 root canal orifices. 3. 3% of the specimens showed 'H' shape, 5% showed 'Square' shape, 51% showed 'T' shape, 1% showed 'reverse-T' shape, 35% showed 'I' shape and 5% showed the specific 'C' shape.
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