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발효음식에 의한 연성 의치상 이장재의 색상변화에 관한 연구

THE EFFECT OF FERMENTED FOODS ON THE COLOR CHANGE OF SOFT DENTURE LINERS

신수연|임헌송|조성환
대한치과보철학회 (The Korean Academy Of Prosthodontics)|2004.10|대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)|제42권 제5호|pp. 572-582

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참고문헌

주제분류치의학

초록

Abstract

Statement of problem: The clinical criteria of soft lining materials are resilience over an extended period, capability of forming a strong bond with denture base materials, dimensional stability, adequate tear strength, and color stability. Many researches and reports dealt with food colorants or denture cleanser, but not with fermented foods. Purpose: This study was designed to assess what fermented foods, such as soy sauce and red pepper paste that many Koreans have eaten, influence on the color stability of soft denture liners. Material and methods: The color differences(ΔE＊) were measured by spectrophotometer with different immersion time. For the procedure, thirty disk-shape specimens per 4 soft denture liners(Molloplast-B., Ufi Gel SC., Dura Base., Sofreliner MS.) were fabricated with a thickness of 2mm and 16mm in diameter. Each 10 specimen were immersed into the beakers of fermented foods and distilled water, and L＊, a＊, and b＊ values were measured for the color difference(Δ E＊), on the 1st, 7th, and 28th day with spectrophotometer. Result and conclusion: 1. There were significant differences between samples(soy sauces, red pepper pastes, and distilled water) in Sofreliner MS. of 1st day after immersion( p<0.05). There were significant differences between samples in Sofreliner MS. and Ufi Gel SC. of 7th days after immersion(p<0.05). There were significant differences between samples in Molloplast-B. of 28th day after immers ion( p<0.05). 2. In red pepper pastes, ΔE＊ values of Molloplast-B., Ufi Gel SC., Sofreliner MS. were higher than 3.3. Those values were not clinically acceptable. In soy sauces, ΔE＊ values of all denture liners were lower than 3.3. ΔE＊ values of Ufi Gel SC. were higher than those of other denture liners. 3. Based on the above results, red pepper paste causes more discoloration than soy sauce.

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