The response of the rat molar pulp of two proprietary calcium hydroxide preparations.
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Biomedical subjects
Publications and source records attributed to R C Paterson.
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This article describes a pilot investigation in which the response of the pulps in both sound and carious rat molar teeth to traumatic exposure and treatment with three different compounds was assessed. Two of the compounds appeared to give a more favorable response in carious teeth. These results are discussed, and future experiments described.
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A study is described in which six metallic compounds identified in a previous pilot experiment were tested as pulp-capping agents using the exposed rat molar. Barium sulfate, calcium carbonate, cupric oxide, ferric oxide, and heavy magnesium oxide gave poor results. Stannic oxide gave more favorable results and is being studied further.
A pilot study is described in which the exposed pulps of molar teeth of normal laboratory rats were capped with various metallic compounds in general medical usage. There appeared to be no relationship between the response obtained and the pH of the compounds studied. Aluminum powder, aluminum hydroxide, Aludrox, aluminum oxide, light magnesium oxide, magnesium hydroxide, and titanium dioxide gave poor results. Barium sulfate, calcium carbonate, cupric oxide, ferric oxide, heavy magnesium oxide, and stannic oxide merited more detailed study.
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