요오드 소독제에 침전된 고무인상재의 체적안정성
Dimensional stability of rubber impression materials immersed in iodophor disinfectant
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목적: 요오드계 소독제의 고무인상체 안정성에 미치는 영향을 조사하고자 하였다. 연구 재료 및 방법: 폴리설파이드, 실리콘, 폴리이써 고무인상재를 이용하여 72개의 인상체를 채득하였다. 이를 요오드계 소독제인 iodophor 수용액에 각각 10분, 30분간 침적시키고 모형을 제작하여 대조군과 광학현미경을 이용하여 체적 안정성을 평가하였다. 결과: 모든 고무인상체는 0.5% 미만의 체적변화를 보였으나 30분 침적은 10분 침적에 비해 통계적으로 유의하게 변화량이 증가하였다(P < 0.05). 결론: 요오드계 소독제에 고무인상재를 침적시 10분정도의 시간경과가 고무인상재의 체적변화에 영향이 적었다.
Abstract
Purpose: The purpose of this study was to determine the dimensional stability of three rubber impression materials (polysulfide, polyvinylsiloxane, polyether) in an iodophor disinfectant. Materials and Methods: Seventy-two impressions were made with eachmaterial and divided into control, 10-minute, and 30-minute immersion groups using an iodophor as the disinfectant. A microscopewas used to measure dimensional changes in the stone casts made from each group of impressions, and the percent change wasanalyzed using a two-way ANOVA (P = 0.05). Results: All dimensional changes after iodophor disinfection were small in 10 minutegroups, however, showed significantly increased in 30 minute groups (P < 0.05). Conclusion: Clinically, it can be recommended to useiodophor disinfectant for rubber materials within 10 minute.
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