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Shear bond strength evaluation of an alkasite restorative material to three different liners with and without using
Aarti Mulgaonkar1, Ida de Noronha de Ataide1, Marina Fernandes1
1Department of Conservative Dentistry and Endodontics, Goa Dental College and Hospital, Bambolim, Goa, India.
Aims:
The aim of the study is to compare and evaluate the bonding ability of alkasite restorative material to TheraCal LC™ (TLC), Biodentine™ (BD), resin-modified glass ionomer cement (RMGIC) using an universal adhesive and characterizing their failure modes.
Subjects And Methods:
Ninety extracted intact human molars were divided into three groups of (n = 30) as Group I (TLC), Group II (RMGIC), and Group III (BD). Each group was subdivided into two based on application of universal adhesive. Cention N was bonded to each sample. Shear bond strength analysis was performed. The data were analyzed using SPSS version 22 software.
Results:
No significant difference was observed between Group I and Group II (P < 0.05) while Group III showed the least bond strength (P < 0.05). The modes of failure were predominantly cohesive in Groups I and III (TLC and BD) while RMGIC showed mixed and adhesive failures.
Conclusions:
The bond strength of Cention N to TLC and RMGIC was similar and significantly higher than that of BD following application of universal adhesive.
