n Evidence Based Summaries in Dentistry - Bi-layer versus conventional placement for ART restorations in approximal cavities of primary teeth

Volume 6, Issue 2
  • ISSN : 2223-5353


ART relies on caries removal by hand instruments without the use of a local anesthetic and the prepared tooth cavity is subsequently restored with glass-ionomer cement (GIC). In vitro study results show that placement of a thin flowable GIC layer before insertion of a conventional high-viscosity GIC (bi-layer technique) may result in an improvement of GIC adaptation in approximal cavities, lower stress concentration in the material's occlusal surface and higher bond strength values to sound dentin versus conventional GIC bulk insertion during ART.

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