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KMID : 1157520120080010065
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International Journal of Clinical Preventive Dentistry
2012 Volume.8 No. 1 p.65 ~ p.72
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Dentinal Micro-hardness and Enamel Surface Change in Deciduous Teeth by Intake Some Candies Containing Vitamins
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Choi Seung-hui
Lee Cheon-Hee
Ahn Sun-Ha
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Abstract
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Objective: The purpose of the study was to compare the effect on the decalcification of deciduous teeth for several candies containing vitamins as an ingredient.
Methods: Twenty-two extracted deciduous teeth were collected and divided, with 8 enamel specimens and 80 dentine specimens. Three kinds of vitamin candies -V food, Vitamin 1000 and PungPung- were prepared for affected solutions, after measuring pH for each solution, Micro-hardness was measured for 80 of the dentinal specimens, and divided by the kinds of solutions and the applied frequency: ten, thirty, and sixty applications. SEM observation was done for 8 enamel specimens divided for the same method.
Results: 1. PH was measured as 6.36 in water as control, 5.63 in V food, 2.62 in Vitamin C 1000 and 3.40 in PungPung-i. 2. Micro-hardness value was revealed as the highest in control group, followed by V food group, PungPung-I, and Vitamin C 1000 in sequence (p＜0.05). 3. The results of observation by SEM (×3,000) show that smooth and fine surfaces were seen in control enamel surfaces and in the V food specimens. 4. Micro-hardness value was revealed that for more frequent application into the candy solution, less micro-hardness was observed (p＜0.05). 5. The results of observation by SEM (×3,000) show that rough and decalcified phenomena were seen in the Vitamin C 1000 and PungPung-i specimens, and the roughness was more severe with increasing frequency of applying the candy solution.
Conclusion: The above results show that V food is recommended for intake for children because of the safe level of pH at 5.6 and Vitamin C component, and intake of low pH Vitamin candy for long or frequent uses should be limited because of the risk for decalcification of deciduous teeth.
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KEYWORD
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vitamin derivates, tooth micro-hardness, decalcification of the tooth, SEM finding of tooth enamel
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