대한치과의사협회지 (The Journal of the Korean dental association)

대한치과의사협회 (The Korean Dental Association)
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하악 제1대구치 치수저의 해부학적 고찰

A STUDY ON THE ANATOMY OF THE PULP CHAMBR FLOOR OF THE PERMANENT MANDIBULAR FIRST MOLAR

  • 권혁춘 (서울대학교 치과대학 보존학교실)
  • Kwon, Hyuk-Choon (Dept. of Operative Dentistry College of Dentistry, Seoul National University)
  • 발행 : 1984.05.30
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초록

A total of 114 extracted human mandibular first 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, 58.8% of the teeth were square, 34.2% were triangle and 7.0% were ovoid shape. 2. 58.8% of the specimens have 4 root canal orifices, 34.2% have 3 root canal orifices, 7.0% have 2 root canal orifices. 3. 41.2% of the specimens show 'H' shape, 17.6% show 'Square' shape, 31.6% show 'T' shape, 2.0% show 'reverse-T' shape and 7.0% show 'I' shape.

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