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Change in surface of primary tooth using different type of toothpaste

최정옥 1 남설희 1

1부산대학교 치의학전문대학원 구강해부학교실

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ABSTRACT

Objectives : The aim of this study is to evaluate the surface changes of enamel specimen,tooth structure by toothpastes in child and adult. Methods : Experimental teeth were collected from extracted human primary teeth. 120 enamelspecimens were prepared by cutting the teeth into 2 x 3 x 2 mm blocks using diamond sawand the specimens were assigned to 3 groups. Group 1 was used as control with no treatment. Group 2 was treated with child toothpaste and Group 3 was treated with adult toothpaste onprimary enamel surface for 3 minutes daily over 4 weeks. The specimens were immersed intoindividual container having artificial saliva and the artificial saliva was changed every day. Theelectron probe micro analyzer (EPMA) provided weight percent (wt%) of calcium (Ca) andphosphorous (P) on enamel surface. The morphology was analyzed by scanning electron microscopy(SEM). Data were analyzed by one-way analysis of variance (ANOVA) and Tukey’s test post-hoctest using SPSS (Version 20, SPSS Inc., Chicago, USA). Level of significance was set at 0.05. Results : The surface changes of the primary teeth revealed a significant difference during4 weeks. Calcium (Ca) and phosphorous (P) levels were found the weight percent differenceand a rough enamel surface was seen on SEM after adult toothpaste application. Conclusions : The changes in Ca and P and the morphological surface were affected bythe primary tooth treated with adult toothpaste. Enamel surface showed significant differencesduring 4 weeks.

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