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The effects of carbonate and Mg on in vitro mineralization of demineralized dentin

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Abstract

The demineralized sections of dentins of rats were mineralized in vitro. The sections were observed with contact microradiography (CMR) and their mineral contents were determined with micro-photometry of CMR films.

In the mineralizing solution containing no carbonate, mineral appeared to adhere only on the surface of the demineralized dentins, regardless of their structure or their chemical nature. However, once the demineralized dentins were immersed in a mineralizing solution containing carbonate, the mineralization proceeded continuounly even in mineralizing solution containing no carbonate, suggesting that the action of carbonate participates in the initiation of mineral deposition.

The effect of Mg in the mineralizing solution containing carbonate was studied. Mg showed an inhibitory effect in the mineralization of matrices. This effect seemed to participate in the process of growth or increase of precipitation after the initiation.

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Authors and Affiliations

  1. Department of Experimental Pharmacology, Medical Research Institute, Tokyo Medical and Dental University 3-10, Kandasurugadai 2-chome, Chiyoda-ku, Tokyo, Japan

    Toshiko Ogata

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  1. Toshiko Ogata
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Ogata, T. The effects of carbonate and Mg on in vitro mineralization of demineralized dentin. J Bone Miner Metab 6, 59–66 (1988). https://doi.org/10.1007/BF02375647

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