歯磨剤による牛歯に対するポリッシング効果に関する研究(ポリッシング効果の測定装置の研究)

概要

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In order to measure the luster of enamel surface after brushing with dentifrices, severai kinds of reflectant meters have been introduced. These reflectant meters, however, were inferior when they were used on teeth with different curvatures, or whose surfaces were scored by strong abrasives, etc. To eliminate these shortcomings, a new gloss meter (VM 2D) was developed. This gloss meter had the following advantages: 1. The angle between the incidence and the reflection can be modulated. 2. The reflecting point of incidence on the teeth can be adjusted and monitored. 3. Both gloss and reflection can be measured simultaneously. 4. The rotation of the enamel sample can minimize the error induced by the surface morphology of enamel. The results obtained by measuring surface gloss of bovine madibular anterior teeth after brushing with dentifrices showed a remarkable positive correlation with the surface luster examined by sensory test. (rs=0.94)
有限責任中間法人日本口腔衛生学会の論文