Influence of the resin-coating technique on the bonding performance of self-adhesive resin cements in single-visit computer-aided design/computer-aided manufacturing resin restorations

J Esthet Restor Dent. 2022 Jun;34(4):721-728. doi: 10.1111/jerd.12818. Epub 2021 Sep 20.

Abstract

Objective: This in vitro study investigated the influence of resin coating on the bonding performance of self-adhesive resin cements in single-visit computer-aided design (CAD)/computer-aided manufacturing (CAM) resin restorations.

Materials and method: CAD/CAM resin (1.5-mm thick) was mounted on 20 noncoated and 20 resin-coated human dentin surfaces using dual-cured self-adhesive resin cements (Panavia SA Cement Plus or Panavia SA Cement Universal, Kuraray Noritake Dental) in either self-curing or dual-curing mode. These specimens were sectioned into beam-shaped sticks and subjected to microtensile bond strength tests after 24 h of water storage. The obtained data were statistically analyzed with three-way analysis of variance (ANOVA) and t tests (α = 0.05).

Results: The three-way ANOVA results revealed the significant influence of resin coating, resin cement, and curing mode. Resin coating and light curing led to higher bond strengths in almost all groups. Resin-coated dentin with Panavia SA Cement Plus exhibited a mean bond strength greater than 35 MPa in both self-curing and dual-curing modes.

Conclusions: In single-visit CAD/CAM resin restorations, resin coating, resin cement selection, and curing mode influenced the bonding performance of self-adhesive resin cements. In addition, resin coating and light curing increased the bond strength of self-adhesive resin cements. Resin coating and light curing are encouraged for predictable bonding performance of dual-cured self-adhesive resin cements in single-visit CAD/CAM resin restorations.

Keywords: CAD/CAM; curing mode; microtensile bond strength; resin-coating technique; self-adhesive resin cement; single-visit treatment.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Computer-Aided Design
  • Dental Bonding* / methods
  • Dental Cements
  • Dental Materials
  • Dentin
  • Dentin-Bonding Agents / chemistry
  • Humans
  • Materials Testing / methods
  • Resin Cements* / chemistry
  • Surface Properties
  • Tensile Strength

Substances

  • Dental Cements
  • Dental Materials
  • Dentin-Bonding Agents
  • Resin Cements