In vitro wear of primary and permanent enamel. Simultaneous erosion and abrasion

Gisele Maria Correr, Roberta Caroline Bruschi Alonso, Semonides Consani, Regina Maria Puppin-Rontani, Jack Ferracane

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Purpose: To evaluate the wear differences between primary and permanent enamel caused by the association of abrasion and erosion. Methods: Fragments of 40 human teeth (20 primary and 20 permanent) were cast in acrylic rings, polished to expose a flat enamel area, and evaluated with a 3D profiler. Antagonists were made from primary and permanent molars. The specimens were distributed into four groups (n=10) according to type of substrate and slurry (neutral and acidic), and cycled 100,000 times in the OHSU oral wear simulator. Specimens were cleaned and re-profiled. Volume loss and maximum depth were determined on the polished specimens. Data were submitted to ANOVA and Tukey's test. The area of the wear facet on the antagonist was measured. Results: Primary enamel showed more wear than permanent enamel, regardless of the slurry type. The acidic environment increased the wear rate compared to the neutral slurry. The association of abrasion and erosion increased the wear rate for the primary teeth only. There was no significant difference among groups for cusp wear and no correlation between cusp wear and the enamel wear.

Original languageEnglish (US)
Pages (from-to)394-399
Number of pages6
JournalAmerican Journal of Dentistry
Volume20
Issue number6
StatePublished - Dec 2007

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Dental Enamel
Deciduous Tooth
Analysis of Variance
In Vitro Techniques

ASJC Scopus subject areas

  • Dentistry(all)

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Correr, G. M., Alonso, R. C. B., Consani, S., Puppin-Rontani, R. M., & Ferracane, J. (2007). In vitro wear of primary and permanent enamel. Simultaneous erosion and abrasion. American Journal of Dentistry, 20(6), 394-399.

In vitro wear of primary and permanent enamel. Simultaneous erosion and abrasion. / Correr, Gisele Maria; Alonso, Roberta Caroline Bruschi; Consani, Semonides; Puppin-Rontani, Regina Maria; Ferracane, Jack.

In: American Journal of Dentistry, Vol. 20, No. 6, 12.2007, p. 394-399.

Research output: Contribution to journalArticle

Correr, GM, Alonso, RCB, Consani, S, Puppin-Rontani, RM & Ferracane, J 2007, 'In vitro wear of primary and permanent enamel. Simultaneous erosion and abrasion', American Journal of Dentistry, vol. 20, no. 6, pp. 394-399.
Correr, Gisele Maria ; Alonso, Roberta Caroline Bruschi ; Consani, Semonides ; Puppin-Rontani, Regina Maria ; Ferracane, Jack. / In vitro wear of primary and permanent enamel. Simultaneous erosion and abrasion. In: American Journal of Dentistry. 2007 ; Vol. 20, No. 6. pp. 394-399.
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