Constic流体树脂的粘结性能评价

Abstract

Abstract: Objective　To analyze bond properties of flowable resin Constic, and to provide laboratory evidence for the application of clinical material. Methods The micro-tensile bond strengths between flowable resin and dentin, flowable resin and temporary crown material were measured by micro tensile force meter. Surface morphology was studied by scanning electron，and the modes of failure were judged. Results The dentin micro-tensile bond strengths of Constic resin and Z350 XT were (20.60±4.09) MPa, (31.23±5.66) MPa, respectively(t=7.943, P<0. 05). Temporary crown material bond strength of Constic was (53.67±8.94) MPa, while bond strength between temporary crown material was (59.52±4.24) MPa (t=1.388, P>0.05). The fracture sites of most samples were at interface. Conclusion As a self-etching and self-adhesive system, Constic simplifies clinical procedure, and it is potential for multiple clinical use.

Key words: flowable resin, micro-tensile bond strength, bond

CLC Number:

R783.1

References

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Evaluating the bonding properties of Constic flowable resin

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