Source of Support: None, Conflict of Interest: None
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The in vitro study was carried out comparatively evaluating the tensile bond strength of an Ormocer based adhesive (Admira Bond, VOCO) with a conventional Vth generation adhesive (Syntac Sprint, Vivadent) using Scanning Electron Microscope. The occlusal surfaces of thirty-extracted human third molars were ground to expose a flat dentinal surface, mounted and randomly divided into two groups. Group I – A standardized column of Ormocer based composite, Admira with a wire loop inserted in it was bonded after conditioning. Group 2 – The same procedure was followed as for group I except that the adhesive used was Syntac Sprint and composite Tetric Ceram was used. The stored specimens were subjected to thermocycling and tested in a tensile mode in Universal Testing Machine. The mean bond strength value for group I was found to be 13.82 Mpa and group 2 was 10.75 Mpa. The results were statistically analyzed using student’s t-test and it was found that the bond strength values for group 2 were significantly higher than group I. The present study concludes that the ormocer based adhesive system has got improved bonding to dentine as compared to conventional adhesive system.
