Composite inlay/luting resin bond strength--surface treatment effects
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Updated: Nov 5, 2026

Standardized Protocol to Evaluate the Effect of Surface Treatments, Luting Cements, and Thermocycling on PEEK–Composite Bond Strength
Published on: June 9, 2026
A C Shortall1, R L Baylis, H J Wilson
1University of Birmingham School of Dentistry, UK.
Purpose:
To investigate the effect of surface treatments on the bond strength between two resin' composite inlay materials and their luting materials.
Materials And Methods:
A notched disc specimen design was used to evaluate the torque to fracture: test specimens consisting of two half notched disc specimens bonded together, controls consisting of complete resin composite material specimens.
Results:
Both surface treatment and bond resin application had a significant influence on interfacial bond strength--the torque required to initiate failure being expressed as a percentage of the value required to fracture the control specimens.
Conclusion:
The results allow conclusions to be drawn regarding the attainment of optimal bonding between the resin composite inlays and luting materials investigated.
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