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Comparative evaluation of the bond strength of self-adhering and bulk-fill flowable composites to MTA Plus, Dycal, Biodentine, and TheraCal: an in vitro study

  • Raina, Aakrati (Department of Conservative Dentistry and Endodontics, Rama Dental College, Hospital and Research Centre) ;
  • Sawhny, Asheesh (Department of Conservative Dentistry and Endodontics, Rama Dental College, Hospital and Research Centre) ;
  • Paul, Saurav (Department of Conservative Dentistry and Endodontics, Rama Dental College, Hospital and Research Centre) ;
  • Nandamuri, Sridevi (Department of Conservative Dentistry and Endodontics, Rama Dental College, Hospital and Research Centre)
  • Received : 2019.05.01
  • Accepted : 2019.11.05
  • Published : 2020.02.29

Abstract

Objectives: This study aimed to compare the shear bond strength (SBS) of a self-adhering flowable composite (Dyad Flow) and a bulk-fill flowable composite (Smart Dentin Replacement [SDR]) to several pulp-capping materials, including MTA Plus, Dycal, Biodentine, and TheraCal. Materials and Methods: Eighty acrylic blocks with 2-mm-deep central holes that were 4 mm in diameter were prepared and divided into 2 groups (n = 40 each) according to the composite used (Dyad Flow or SDR). They were further divided into 4 sub-groups (n = 10 each) according to the pulp-capping agent used. SBS was tested using a universal testing machine at a crosshead speed of 1 mm/min. Data were analyzed using 2-way analysis of variance. A p value of < 0.05 was considered to indicate statistical significance. Results: A statistically significant difference (p = 0.040) was found between Dyad Flow and SDR in terms of bond strength to MTA Plus, Dycal, Biodentine, and TheraCal. Conclusions: Among the 8 sub-groups, the combination of TheraCal and SDR exhibited the highest SBS.

Keywords

References

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