生検による同一個人の歯種別エナメル質溶解性

概要

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1) In vivo enamel solubility was determined by measuring the dissolved calcium from the labial or buccal enamel surface after application of a cellulose acetate membrane (∅: 3mm) with sodium acetate-hydrochloric acid buffer (1.4M acetic acid, pH 2.3) 2μl.<BR>2) In vivo enamel solubility of both right and left homologous teeth showed the similar values except lower central and lateral incisors and second premolar.<BR>3) In general, the enamel solubility was highest in the first molar and lowest in the incisor. The premolar, the canine and the second molar showed a middle value between the first molar and the incisor.<BR>4) Enamel solubility of the same tooth surface at different days (0, 2, 7, 9, 16 and 24 days) revealed that the first four measurements (0, 2, 7 and 9 days) were almost the same values and the last two (16 and 24days) decreased as compared with the previous four values.<BR>5) Macroscopic changes were not detected in the enamel surface even after six applications of the acid buffer.
有限責任中間法人日本口腔衛生学会の論文