Korean J Orthod.
1975 Dec;5(1):21-24.
The experimental study of the effect of zinc phosphate cement on the solubility of enamel
- Affiliations
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- 1Department of Orthodontics, Graduate School, Seoul National University, Korea.
Abstract
- The purpose of this study was to investigate the effect of sinc phosphate cement on the enamel surface of extracted teeth. The tooth was placed in a test tube, which was subjected to 5ml of 0.2M acetate buffer at pH 4 by "window technique." The calcium content of the acetate buffer was determined by the Perkin-Elmer Model 303 Atomic Absorption Spectrophotometer. The obtained results were summarized in the following. 1. The solubility of enamel is 0.92mg/cm2. ml in control group. 2. The solubility of enamel is increased by treating these with zinc phosphate cements. 3. The solubility of enamel is 0.69mg/cm2. ml by treating with Lee Smith cement. 4. The solubility of enamel is 0.30mg/cm2. ml by treating with G-C's cement.
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