Microtensile bond strength shows Unicem 2 achieves highest bond strength in printed hybrid material, suggesting effective adhesive strategies.
OBJECTIVES: Printed dental materials have emerged to overcome the limitations associated with the subtractive CAD/CAM technologies. The aim of the present study was to evaluate the optimal adhesive strategy for Permanent Crown Resin, a printed hybrid material. MATERIAL AND METHODS: Supreme XTE. Subsequently, the specimens were sectioned, and 20 sound micro-bars were obtained from each specimen (n = 180). Each micro-bar was subjected to microtensile bond strength (μTBS) testing at a crosshead speed of 0.5 mm/min. RESULTS: Unicem 2 demonstrated higher bond strength than the other groups (60.23 MPa). The predominant mode of failure across all groups was adhesive. CONCLUSIONS: Unicem 2 provided the highest bond strength for Permanent Crown Resin.
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Freire-Nieto et al. (2026) studied this question.
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