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- Title
Shear Bond Strength of Repair Systems to New CAD/CAM Restorative Materials.
- Authors
Üstün, Özlem; Büyükhatipoğlu, Işıl Keçik; Seçilmiş, Aslı
- Abstract
Purpose: To evaluate the bond strength of repair systems (Ceramic Repair, Clearfil Repair) to computer‐aided design/computer‐assisted machining (CAD/CAM) restorative materials (IPS e.max CAD, Vita Suprinity, Vita Enamic, Lava Ultimate). Materials and Methods: Thermally aged CAD/CAM restorative material specimens (5000 cycles between 5°C and 55°C) were randomly divided into two groups according to the repair system: Ceramic Repair (37% phosphoric acid + Monobond‐S + Heliobond + Tetric N Ceram) or Clearfil Repair (40% phosphoric acid + mixture of Clearfil Porcelain Bond Activator and Clearfil SE Bond Primer + Clearfil SE Bond + Filtek Z250). The resin composite was light‐cured on conditioned specimens. All specimens were stored in distilled water at 37°C for 24 hours and then additionally aged for 5000 thermal cycles. The shear bond strength test was performed using a universal testing machine (0.5 mm/min). Two‐way ANOVA was used to detect significance differences according to the CAD/CAM material and composite repair system factors. Subgroup analyses were conducted using the least significant difference post‐hoc test. Results: The results of two‐way ANOVA indicated that bond strength values varied according to the restorative materials (p < 0.05). No significant differences were observed between the CAD/CAM restorative materials (p > 0.05), except in the Vita Suprinity group (p < 0.05). Moreover, no differences were observed between the repair systems. Conclusions: Both the Clearfil and Ceramic repair systems used in the study allow for successful repairs.
- Subjects
COMPUTER-aided design; CAD/CAM systems; BOND strengths; SHEAR strength; OPERATIVE dentistry
- Publication
Journal of Prosthodontics, 2018, Vol 27, Issue 8, p748
- ISSN
1059-941X
- Publication type
Article
- DOI
10.1111/jopr.12564