INFLUENCE OF ADHESIVE SYSTEMS ON BOND STRENGTH OF  RESIN COMPOSITE TO ER,CR :YSGG LASED DENTIN  UNDER SIMULATED PULPAL PRESSURE

ULAA  A. FATHI; MAAN  M. NAYIF

doi:10.26682/sjuod.2020.22.1.9

ULAA A. FATHI Dept.of Conservative Dentistry, College of Dentistry, Mosul University, Mosul-Iraq
MAAN M. NAYIF Dept.of Conservative Dentistry, College of Dentistry, Mosul University, Mosul-Iraq

DOI: https://doi.org/10.26682/sjuod.2020.22.1.9

Keywords: Adhesives, Bond strength, Pulpal pressure, laser

Abstract

Objective: The Objective Of This Study Was To Evaluate The Effect Of Different Adhesive Systems On Conventional Tensile Bond Strength (Ctbs) Of Composite Bonded To Dentin Prepared With Er,Cr:Ysgg Laser Under Simulated Pulpal Pressure (Spp).

Materials And Methods: Crowns Of Eighteen Molars Were Sectioned Then Dentin Exposed And Prepared With Er,Cr:Ysgg Laser. The Coronal Pulp Chember Were Connected To Barrel At 15mm Hight For Simulating Pulpal Pressure System. Dentin Were Treated With Three Systems: Total Etch (Adper Single Bond 2, 3m, Epse, Usa); One Step Self-Etch (Adper Easy One, 3m Epse, Usa); Two Steps Self-Etch (Clearfil Se Bond, Kurary Medical, Germany ). Resin Composite Build Up And Connected To Small Metal Screw. Samples Were Stored In Distilled Water At 37°C For 24 Hours. Ctbs Was Measured Using Universal Testing Machine (Digital Force Gauge Imada Co., Ltd, Japan) At A Crosshead Speed Of 0.5 Mm/Min. Data Analysed With One Way Anova At P< 0.05.

Results: The One Way Anova Reveared That There Was No Significant Difference In Ctbs Regardless Of Adhesive System Used For Composite (P>0.05).

Conclusions: Different Adhesive Systems Have No Influence On The Resin Composite Bond Strength To Er,Cr:Ysgg Lased Dentin Under Simulated Pupal Pressure.

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