악간 기록재료의 물리적 특성에 관한 연구
A STUDY ON PHYSICAL PROPERTIES OF INTEROCCLUSAL RECORDING MATERIALS
강정길, 유형우, 안승근, 송광엽, 박찬윤,
소속 상세정보
강정길 ( Kang Jeong-Kil ) - 전북대학교 치과대학 치과보철학교실
유형우 ( Yu Hyoung-Woo ) - 전북대학교 치과대학 치과보철학교실
안승근 ( Ahn Seung-Geun ) - 전북대학교 치과대학 치과보철학교실
송광엽 ( Song Kwang-Yeob ) - 전북대학교 치과대학 치과보철학교실
박찬윤 ( Park Charn-Whhn ) - 전북대학교 치과대학 치과보철학교실
KMID : 0362419960340040657
Abstract
The purpose of this stydy was to compare the dimensional stability, compression resistance, elastic recovery and surface hardness of elastomeric interocclusal recording materials. Five commonly used elastomeric interocclusal recording materials(Ramitec, Regisil, Blue-Mousse, Stat-Br, Coltoflax) were selected for this stydy. According to ADA specification No. 19, two types of specimen were fabricated. Cylinder type specimens were used to test compression resistance and elastic recovery and plate type specimens were used to evaluate dimensional stability and surface hardness. Paired t-test was applied to detect significance among the occlusal registration materials. The obtained results were as follows: 1. There were statistical difference in dimensional stability between the elastic interocclusal recording materials. The dimensional stability of silicone was higher than that of polyether tested(p＜0.05). 2. Coltoflax was significantly less resistance to compression than the other elastic interocclusal recording materials(p＜0.001). 3. The elastic recovery capacity of Blu-Mousse and Stat-Br is better than that of Coltoflax(p＜0.01). 4. The surface hardness of Coltoflax was lower than that of Blu-Mousse and Stat-Br(p＜0.05). 5. The percentage dimensional change of alll materials was acceptable according to the limid of 0.5% suggeted by ADA specificatin No. 19.
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