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KMID : 0362419980360010166
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Journal of Korean Academy of Prosthodontics
1998 Volume.36 No. 1 p.166 ~ p.182
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A STUDY OF MANDIBULAR DENTAL ARCH OF KOREAN ADULTS
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Kim Il-Han
Choi Dae-Gyun
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Abstract
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The purposes of this study are to evaluate the Korean mandibular dental arch and classify the mandibular dental arch shape and size based on the incisal angle, canine angle, inter second molar width and height. In this study the mandibular study models were fabricated using irreversible hydrocolloid impression material from 225 volunteers with a mean age 23.62(range 19-29). And the study models were measured with 3-dimensional measuring device and the mandibular dental arch was classified by means of K-means clustering method and visual inspection, then obtained data were analyzed with t-test for the statistical analysis. The results were as follows ; 1. The average canine height was 5.19mm(s.d. 1.17) in both sex, 5.34mm in male, and 4.95mm in female. And the the sexual difference was significant(0
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