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AI InsightThere was a statistically significant difference (p
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Abstract
Aim: The aim of this study was to investigate the effect of preheating of inlay and onlay restorations prepared from composite materials and using a CAD/CAM device on microtensile bond strength in different structures.Methodology: 90 impacted human third molar teeth were used. These teeth were divided into 3 groups. MOD inlay cavity preparation was performed. For the first group, restorations were prepared using a CAD/CAM device. For the second group, a fiber-reinforced composite (EverX Posterior, GC, Tokyo, Japan) was used and restoration was then completed using the laboratory composite system (Gradia, GC, Tokyo, Japan). For the third group, laboratory composite system (Gradia, GC, Tokyo, Japan) was used alone. Er,Cr:YSGG laser (Fotona Laser AT Fidelis Plus III, Slovenia) was administered on all prepared restorations. In the cementation of the restorations, resin cementwas administered with and without preheating. The prepared samples were tested for microtensile bond strength (Microtensile Tester, Bisco, Schaumburg, IL, USA).Results: There was no statistically significant difference between the groups of the microtensile bond strengths of the samples in which the adhesive cement was pre-heated (P) and not pre-heated (N) (p>0.05). There was a statistically significant difference (p