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Change in surface of primary tooth using different type of toothpaste

치약 종류에 따른 유치의 표면 변화

  • Choi, Jung-Ok (Department of Oral Anatomy, School of Dentistry, Pusan National University) ;
  • Nam, Seoul-Hee (Department of Oral Anatomy, School of Dentistry, Pusan National University)
  • 최정옥 (부산대학교 치의학전문대학원 구강해부학교실) ;
  • 남설희 (부산대학교 치의학전문대학원 구강해부학교실)
  • Received : 2014.01.07
  • Accepted : 2014.04.03
  • Published : 2014.04.30

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 enamel specimens were prepared by cutting the teeth into $2{\times}3{\times}2mm$ blocks using diamond saw and 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 on primary enamel surface for 3 minutes daily over 4 weeks. The specimens were immersed into individual container having artificial saliva and the artificial saliva was changed every day. The electron probe micro analyzer(EPMA) provided weight percent(wt%) of calcium(Ca) and phosphorous(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-hoc test 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 during 4 weeks. Calcium(Ca) and phosphorous(P) levels were found the weight percent difference and 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 by the primary tooth treated with adult toothpaste. Enamel surface showed significant differences during 4 weeks.

Keywords

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