Repair bond strength of a new self-adhesive composite resin to three different resin-matrix ceramic CAD-CAM materials

Dent Mater J. 2024 Mar 29;43(2):137-145. doi: 10.4012/dmj.2023-165. Epub 2024 Jan 17.

Abstract

This study aimed to evaluate the shear bond strength of two flowable composite resins to resin-matrix ceramic CAD-CAM materials.Fifty-four plates obtained from Lava Ultimate (LU), Cerasmart (CS), and Vita Enamic (VE) CAD-CAM blocks were assigned to nine groups: N0: Nova Compo SF (NCSF), N1: Silane/Single Bond Universal (SBU)/NCSF, N2: SBU/NCSF, N3: Silane/G-Premio Bond (GPB)/NCSF, N4: GPB/NCSF, G1: Silane/SBU/G-aenial Universal Injectable Composite (GUIC), G2: SBU/GUIC, G3: Silane/GPB/GUIC, G4: GPB/GUIC. After the repair procedures, shear bond strength values were analyzed. Silane pre-application decreased bond strength in most LU and CS groups but increased it in VE. NCSF performed better than GUIC in all CAD-CAM's with similar adhesive protocols. SBU in combination with NSCF had the highest bond strength among all repair procedures in LU and CS. Silane-containing universal adhesives in combination with self-adhesive resin composites should be used to repair resin-matrix ceramic materials.

Keywords: CAD-CAM; Self-adhesive flowable composite resins; Shear bond strength; Silane; Universal bond.

MeSH terms

  • Bisphenol A-Glycidyl Methacrylate*
  • Ceramics / chemistry
  • Composite Resins / chemistry
  • Computer-Aided Design
  • Dental Bonding*
  • Dental Cements
  • Materials Testing
  • Methacrylates*
  • Resin Cements* / chemistry
  • Silanes / chemistry
  • Surface Properties

Substances

  • Resin Cements
  • Dental Cements
  • Silanes
  • Composite Resins
  • single bond
  • G-Bond
  • Methacrylates
  • Bisphenol A-Glycidyl Methacrylate