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Shear Bond Strength of MTA with Different Types of Adhesive Systems: An In vitro Study

Journal: International Journal of Science and Research (IJSR) (Vol.7, No. 10)

Publication Date:

Authors : ; ; ; ; ; ;

Page : 589-592

Keywords : Etch and rinse ER adhesive; mineral trioxide aggregate MTA; self-adhering flowable composite; self-etch SE adhesive;

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AimTo evaluate the shear bond strength of MTA with three different types of adhesive systems- self-adhering flowable composite, etch and rinse adhesive system and self etch adhesive system. Material& MethodMTA specimens (n= 60) were prepared using cylindrical acrylic blocks, having a central cavity with 4 mm diameter and 2 mm depth. MTA was mixed and placed in the prepared cavity, and was covered with a moist cotton pellet and temporary filling material. The specimens were divided into 3 groups which were further divided into 2 sub -groups (45 Minutes and 24 hours). After the application of bonding agents composite resin was placed over the MTA surface. The specimens were tested for shear bond strength and readings were statically analyzed. ResultAfter 24 hrs the mean value of etch and rinse group was significantly higher than self etch and the self adheringcomposite groups. Among the 45 minutes groups there were no significant difference. ConclusionIn single visit after 45 minutes self adhering flowable can be used successfully as a final restorative material in place of conventional flowable composite without using any alternative adhesive system over MTA.

Last modified: 2021-06-28 20:15:55