Remineralization of Root Lesions with Concentrated Calcium and Phosphate Solutions

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  • CHOW Laurence C.
    American Dental Association Health Foundation, Paffenbarger Research Center, Polymers Division, National Institute of Standards and Techology
  • TAKAGI Shozo
    American Dental Association Health Foundation, Paffenbarger Research Center, Polymers Division, National Institute of Standards and Techology

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Other Title
  • 濃厚カルシウムおよびリン酸塩水溶液による象牙質齲蝕部位の再石灰化

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Abstract

Remineralization of enamel lesions in vitro by use of sequential treatments with an alkaline (pH 9) phosphate (1mol/L) solution and slightly acidic (pH 6) calcium (1mol/L) solution was reported to be relatively ineffective. An analysis of the diffusion processes that may occur during the remineralization treatments suggested that the driving force for diffusion of Ca into the lesion can be increased by making the calcium solution more alkaline than the phosphate solution. In the present study this modified treatment procedure was evaluated for remineralizing root lesions in vitro. Results show that (1) in the control group there was a slight increase in mineral density in the surface region of the lesion, (2) in the experimental group there were significant (p<0.05) increase in mineral content in the outer 40μm of the lesion, and (3) in contrast to the finding reported previously, thick mineral deposits on the surface of the root were not observed.

Journal

  • Dental Materials Journal

    Dental Materials Journal 14 (1), 31-36,102, 1995

    The Japanese Society for Dental Materials and Devices

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