Journal of Radioanalytical and Nuclear Chemistry

, Volume 249, Issue 2, pp 465–468 | Cite as

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

  • L. K. AdachiEmail author
  • M. Saiki
  • T. N. de Campos


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.


Physical Chemistry Inorganic Chemistry Vickers Microhardness Dental Material Restorative Material 
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Copyright information

© Kluwer Academic Publishers/Akadémiai Kiadó 2001

Authors and Affiliations

  1. 1.Instituto de Pesquisas Energéticas e Nucleares, IPEN-CNEN/SPSão Paulo, SPBrazil
  2. 2.Departamento de PróteseFaculdade de Odontologia da Universidade de Săo PauloSăo Paulo, SPBrazil

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