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KMID : 0358919740010010035
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Journal of the Korean Academy of Pedodontics
1974 Volume.1 No. 1 p.35 ~ p.39
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STUDIES OF ERUPTION DEGREE ON PERMANENT SECOND MOLARS
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黃義康/Hwang, Eui Kang
朴仁子/李亘浩/Park, In Ja/Lee, Keung Ho
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Abstract
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505 girls were studied on the eruption of second molar clinically.
1. Eruption rate was 9.04°o 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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KEYWORD
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