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STUDIES OF ERUPTION DEGREE ON PERMANENT SECOND MOLARS
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üÜëùˬ/Hwang, Eui Kang
ÚÓìÒí/ì°ÐæûÇ/Park, In Ja/Lee, Keung Ho
KMID : 0358919740010010035
Abstract
505 girls were studied on the eruption of second molar clinically.
1. Eruption rate was 9.04¡Æo earlier in mandible than in maxilla.
2. Average age of eruption was 12.53 years old in maxilla and 11.73 in mandible.
3. There is no significant right and left arch,
4. Generally, period of eruption in Korean was slightly retarded as compared to that of foreigners.
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