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이윤상,김홍석,박가명,Lee, Yoon-Sang,Kim, Hong-Suk,Park, Ka-Myung 대한치과의사협회 1973 대한치과의사협회지 Vol.11 No.5
The authers have studied the marginal leakage on various filing materials : Composite resin, Polycarboxylate cement, Zinc phosphate cement, Silicate cement and Zinc-oxide eugenol cement, by means of penetration of 2% aquous methylene blue between cavity walls and filing materials at body temperature and at thermal changs in the range of 4~60℃ The results revealed as follows. 1) All the filling materials revealed the penetration of dye between cavity walls and filling materials. 2) Zinc-oxide eugenol cement was the most effective to prevent the dye penetration on the contrary silicate cement cases showed greatest leakage at 37℃ and at temperature changes in range of 4-60℃. 3) The composite resin showed moderate leakage either at 37℃ or at thermal changes 4) Marginal obstructions of polycarboxylate cement were unsatisfactory at 37℃ and at temperature changes.
林成森,權赫春,尹壽漢,朴嘉明 최신의학사 1971 最新醫學 Vol.14 No.8
1. The author experienced a case of replantation of upper right central incisor that was avulsed by trauma eight hours before. 2. The patient was 10 years old male. 3. At intervals of 2 weeks, 4 weeks, 5 weeks, 3 month, 5 month, and 12 month, the replanted tooth was radiographed and observed clinically. 4. Clinically the tooth appeared to grow firmer with the passage of time. 5. No gingival recession was found and gingival crevice was firmly contact to tooth surface. 6. After 4 weeks radiograph of replanted tooth showed begining ankylosis on the mesial and distal surface of the tooth. 7. 12 month after replantation, root resorption was abvious in radiograph.