죽염 및 불소용액이 우식병소에 미치는 영향에 대한 미세전산화단 층 촬영술 이용 연구
Remineralization effect of bamboo salt and sodium fluoride solutions on artificial enamel Lesion by Micro-computed tomography
오한나, 홍석진, 최충호,
소속 상세정보
오한나 ( Oh Han-Na ) - 전남대학교 치의학전문대학원 예방치과학교실
홍석진 ( Hong Suk-Jin ) - 전남대학교 치의학전문대학원 예방치과학교실
최충호 ( Choi Choong-Ho ) - 전남대학교 치의학전문대학원 예방치과학교실
KMID : 0355420110350030273
Abstract
Objectives: The purpose of this investigation was to evaluate the remineralization effect of NaF, Bamboo salt and NaF+Bamboo salt solutions on bovine enamel formed incipient artificial enamel caries by microcomputed tomography (micro CT).
Methods: Experimental solutions were 2% sodium fluoride solution (2% NaF group), 3% bamboo salt solution (3% BS group) and a mixed solution of 2% sodium fluoride solution and 3% bamboo salt solution (2% NaF+3% BS group). Specimens were prepared from extracted bovine teeth and were divided into 3 groups of 12 specimens each by randomized blocks according to the Vickers hardness number (VHN). The specimens’ surfaces were then divided equally into three parts to observe the sound enamel area, the incipient enamel carious area and the remineralized enamel area. Only one-third of each specimen surface was coated with nail varnish and this was exposed to a lactate carbopol buffer system for 72 hours. One-half of the demineralized enamel area was then coated with nail varnish. For remineralization, the specimens were immersed in each experimental solution for 24 hours. After the solution treatment, the VHN and density were measured using a microhardness tester and a micro CT.
Results: All experimental solutions showed remineralization effects (p＜0.05). The differences of VHN after the experimental solution treatment were statistically significant among the 3 groups (p＜0.01). The differences of density after the experimental solution treatment were statistically significant among the 3 groups (p＜0.01). The density difference values of the groups were 0.36±0.10 in the 2% NaF group, 0.24±0.06 in the 3% BS group, and 0.35±0.60 in the 2% NaF+3% BS group.
Conclusions: The results of the difference of density showed that micro CT could evaluate the remineralization effects of experimental solutions. Thus, it is suggested that a micro CT could be useful for the evaluation of the remineralization effect on incipient carious lesions.
키워드
미세 전산화 단층촬영술; 재광화; 죽염
bamboo salt; microcomputed tomography; remineralization
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