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배찬주,이종갑 大韓小兒齒科學會 1985 大韓小兒齒科學會誌 Vol.12 No.1
The mesiodistal crown diameters of the decidious teeth and their permanent successors have been studied and analyzed about the mean size, percentage and the correlotion coefficient from the longitudinally collected 104 stone models of E. elementary school children. The results were as follows: 1. The mean values of deciduous teeth and their permanent successors were slightly larger in males than in females and statistical differences of males and females were found in some teeth. 2. In the percentage of deciduous and permanent successors, the smallest were lateral incisor in male, central incisor in female and maxillary 2nd deciduous molar, mandibular 1st and 2nd deciduous molar were larger than their permanent successors. 3. In the percentage of corresponding teeth groups, maxillary incisors were smaller than their successors and in maxillary buccal teeth were similar to their successors, and in mandibular buccal teeth the sum of deciduous teeth were larger than that of permanent teeth about 10%. 4. Individual correlations of deciduous tooth and their permanent successor was relatively low. The same tendencies were found at corresponding teeth groups. 5. In the differences between the corresponding teeth groups, the sum of permanent incisors were largest to their deciduous teeth but the sum of mandibular buccal teeth were the smallest. 6. The correlations for the differences of corresponding teeth groups were negative correlated with high value.
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