AN EXPERIMENTAL STUDY ON THE REMOVLL EFFECTS OF ARTIFICIAL DEFENDANTS THROUGH THE BRUSHING FLANE TYPES OF TOOTHBRUFF HEAD (횡단강모단면의 형태에 따른 잇솔의 유형별 치면착색제 제거효과에 관한 실험적 연구)
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- The Journal of the Korean dental association
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- v.25 no.2 s.213
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- pp.185-193
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- 1987