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Susceptibility of bovine dental enamel with initial erosion lesion to new erosive challenges

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  • Gabriela Cristina de Oliveira
  • Guida Paola Genovez Tereza
  • Ana Paula Boteon
  • Brunna Mota Ferrairo
  • Priscilla Santana Pinto Gonçalves
  • Thiago Cruvinel da Silva
  • Heitor Marques Honório
  • Daniela Rios

Abstract

This in vitro study evaluated the impact of initial erosion on the susceptibility of enamel to further erosive challenge. Thirty bovine enamel blocks were selected by surface hardness and randomized into two groups (n = 15): GC- group composed by enamel blocks without erosion lesion and GT- group composed by enamel blocks with initial erosion lesion. The baseline profile of each block was determined using the profilometer. The initial erosion was produced by immersing the blocks into HCl 0.01 M, pH 2.3 for 30 seconds, under stirring. The erosive cycling consisted of blocks immersion in hydrochloric acid (0.01 M, pH 2.3) for 2 minutes, followed by immersion in artificial saliva for 120 minutes. This procedure was repeated 4 times a day for 5 days, and the blocks were kept in artificial saliva overnight. After erosive cycling, final profile measurement was performed. Profilometry measured the enamel loss by the superposition of initial and final profiles. Data were analyzed by t-test (p

Suggested Citation

  • Gabriela Cristina de Oliveira & Guida Paola Genovez Tereza & Ana Paula Boteon & Brunna Mota Ferrairo & Priscilla Santana Pinto Gonçalves & Thiago Cruvinel da Silva & Heitor Marques Honório & Daniela R, 2017. "Susceptibility of bovine dental enamel with initial erosion lesion to new erosive challenges," PLOS ONE, Public Library of Science, vol. 12(8), pages 1-7, August.
    • Handle: RePEc:plo:pone00:0182347
    DOI: 10.1371/journal.pone.0182347
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    Cited by:

    1. Natália Mello Santos & Maísa Camillo Jordão & Franciny Querobim Ionta & Fernanda Lyrio Mendonça & Camilla Cristina Lira Di Leone & Marília Afonso Rabelo Buzalaf & Thais Marchini Oliveira & Heitor Marq, 2018. "Impact of a simplified in situ protocol on enamel loss after erosive challenge," PLOS ONE, Public Library of Science, vol. 13(5), pages 1-13, May.

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