• Journal of the Korean Dentistry   1991  Volume.29  No.4 67 ~ 72

• Journal of the Korean Dentistry   1991  Volume.29  No.4 55 ~ 59

• Journal of the Korean Dentistry   1991  Volume.29  No.4 49 ~ 52

• Journal of the Korean Dentistry   1991  Volume.29  No.4 42 ~ 48

• Journal of the Korean Dentistry   1991  Volume.29  No.4 35 ~ 41

• Journal of the Korean Dentistry   1991  Volume.29  No.4 31 ~ 34

• Journal of the Korean Dentistry   1991  Volume.29  No.4 26 ~ 30

• Journal of the Korean Dentistry   1991  Volume.29  No.4 23 ~ 24

• Journal of the Korean Dentistry   1991  Volume.29  No.4 21 ~ 22