Restorative Dentistry and Endodontics
- Volume 2 Issue 1
- /
- Pages.38-49
- /
- 1976
- /
- 2234-7658(pISSN)
- /
- 2234-7666(eISSN)
STUDIES ON THE MICROHARDNESS OF CENTRAL AND LATERAL INCISORS OF THE KOREAN
한국인(韓國人)의 중(中)·측절치(側切齒) 경조직(硬組織) 미소경도(微小硬度)에 관(關)한 연구(硏究)
- Chung, Jae-Kyoo (Dept. of Operative Dentistry, Division of Dentistry Graduate School, Kyung Hee University)
- 정재규 (경희대학교 대학원 치의학과 보존학)
- Published : 1976.12.31
Abstract
Central and lateral incisors of 20, 40 and 60 age groups were bisected pararelly to long axis and middle portion of mesio-distal of teeth. And author measured the hardness of various areas in enamel and dentin with vickers hardness tester. Measured levels were divided into the labio-middle portion, middle portion of incisal edge and linguo-middle portion in enamel and dentin of all age groups. The results were as follows; 1) Total average hardness of enamel for 20, 40 and 60 age groups were respectively Hv. 366.5
Keywords