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떎뿕쓣 넻빐 蹂 醫뗭 移レ넄吏 VS 굹걶 ..
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떎뿕쓣 넻빐 蹂 醫뗭 移レ넄吏 VS 굹걶 ..
좋은 칫솔질 그리고 나쁜 칫솔질 습관이란 무엇이며,이러한 습관이 우리의 치아에 어떤 영향을 미치게 되는지 실험을 통해 알아봅니다. 혻 <주의> 실험용액은 빨간약이 아닙니다!! 따라하지 마세요!!! 혻 올바른 방법과 잘못된 방법!!나는 지금 어떻게하고 있는 점검해 보시기 바랍니다. 혻 <분당서울대학교병원 치과 제공>
Video Length: 87
Date Found: December 17, 2009
Date Produced: March 19, 2008
View Count: 2
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