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논문검색

치과용 경석고의 사용방법에 따른 경화팽창과 표면상태 비교연구

원문정보

The comparison research of the setting expansion and surface condition by using method of dental stone

박수철, 남상용, 정인호

피인용수 : 0(자료제공 : 네이버학술정보)

초록

영어

Purpose: The purpose of this study is to measure and compare a degree of setting expansion of dental stone by time depending on the mixing methods and mixing ratios of dental stone, to compare the surface state of each specimen with the use of an optical camera with microscope, and thereby to provide a fundamental material for making dental prostheses. Methods: The test on setting expansion of dental stone is based on ISO 6873. With two different mixing ratios and three kinds of stone mixing methods, test groups were created, and a total of six types of specimens (N=30) were made. Based on the specimens, the setting expansion rate of each one was measured in each time slot of 24 hours, and the surface of the set stone was measured. Results: According to the analysis on setting expansion rate of stone, the setting expansion of the specimen that was created in the way of vacuum mixing at normal mixing ratio was 0.1944% at 120 minutes; the setting expansion of the specimen that was created in the way of vacuum mixing at the mixing ratio which was 40% higher than normal mixing ratio was 0.195% at 120 minutes; the setting expansion of the specimen that was created in the way of mixing with hands at normal mixing ratio and then removing bubbles in vacuum mixer was 0.196% at 120 minutes. Conclusion: The setting expansion rate of each dental stone specimen was significantly different with the lapse of time up to 24 hours(p<.001).

목차

[Abstract]
 Ⅰ. 서론
 Ⅱ. 연구 방법
  1. 시험재료선정및경화팽창시험
  2. 경석고표면상태측정
  3. 자료분석
 Ⅱ. 결과
  1. 치과용경석고의경화후표면상태측정
  2. 치과용경석고의시간별경화팽창량
  3. 치과용경석고의경화팽창량의다변량검정
  4. 치과용 경석고 시편의 제작방법에 따른 경화팽창량의차이검정
 Ⅳ. 고찰
 Ⅴ. 결론
 REFERENCES

저자정보

  • 박수철 Soo-chul Park. 김천대학교 치기공학과
  • 남상용 Sang-young Nam. 대구보건대학교치기공과
  • 정인호 In-ho Jung. 김천대학교 치기공학과

참고문헌

자료제공 : 네이버학술정보

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