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An in vitro investigation of human enamel wear by restorative dental materials

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Abstract

A radiometric method was applied to assess enamel wear by another enameland by restorative materials. The radioactive enamel was submitted to wearin a machine which allows sliding motion of an antagonistic surface in contactwith the radioactive enamel. The enamel wear was evaluated by measuring thebeta-activity of 32P transferred to water from this irradiatedtooth. Results obtained indicated that dental porcelains cause pronouncedenamel wear when compared with that provoked by another natural enamel orby resin materials. Resin materials caused less enamel wear than another naturalenamel. Vickers microhardness data obtained for antagonistic materials showeda correlation with the wear caused to the enamel.

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Authors and Affiliations

  1. Instituto de Pesquisas Energéticas e Nucleares, IPEN-CNEN/SP, Caixa Postal 11049, CEP 05422-970, São Paulo, SP, Brazil

    L. K. Adachi & M. Saiki

  2. Departamento de Prótese, Faculdade de Odontologia da Universidade de Săo Paulo, Av. Prof. Lineu Prestes 2227, CEP 05508-900, Săo Paulo, SP, Brazil

    T. N. de Campos

Authors
  1. L. K. Adachi
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  2. M. Saiki
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  3. T. N. de Campos
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Correspondence to L. K. Adachi.

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Adachi, L., Saiki, M. & de Campos, T.N. An in vitro investigation of human enamel wear by restorative dental materials. Journal of Radioanalytical and Nuclear Chemistry 249, 465–468 (2001). https://doi.org/10.1023/A:1013259712488

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