Tensile Strength and Failure Types of Direct and Indirect Resin Composite Copings for Perio-Overdentures Luted Using Different Adhesive Cementation Modalities

Cesca, Raffaele; Colombo, Vera; Ernst, Bruna; Gallo, Luigi Maria; Özcan, Mutlu

doi:10.3390/ma13163517

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Cesca, R., Colombo, V., Ernst, B., Gallo, L. M., & Özcan, M. (2020). Tensile Strength and Failure Types of Direct and Indirect Resin Composite Copings for Perio-Overdentures Luted Using Different Adhesive Cementation Modalities. Materials, 13(16), 3517. https://doi.org/10.3390/ma13163517

Abstract

Perio-overdenture design helps to reduce periodontal diseases and secondary caries on abutment teeth. Composite copings can be cemented adhesively to the abutment teeth with different techniques. In this study, direct/indirect resin composite copings for perio-overdentures, luted using different adhesive cementation modalities were compared. Human teeth (N = 40) were prepared to receive spherical attachment copings and randomly divided into four groups: (1) resin-composite copings bonded directly (DC), (2) composite copings made indir