PMID: 12752939May 20, 2003Paper

The effect of simulated intrapulpal pressure on bond strength to enamel and dentine

Journal of Oral Rehabilitation
A SengunF Ozer

Abstract

The purpose of this study was to evaluate the effect of simulated intrapulpal pressure on the shear bond strength (SBS) of a self-etching bonding system (Clearfil Liner Bond II) to both enamel and dentine surfaces. Forty-two caries-free human molar teeth were randomly assigned to two equal groups (n=21). One group of 21 teeth was connected to a special pulpal pressure machine, which is developed to simulate in vivo conditions. The buccal and lingual surfaces of the teeth were prepared with a diamond wheel to create flat dentine and enamel surfaces. A self-etching bonding system was then applied under pulpal pressure and 2.5 mm diameter composite cylinders were bonded to the prepared surfaces. The samples were then stored in distilled water at room temperature for 24 h under pulpal pressure before SBS was tested. The second restored group was used as a control and the teeth were not connected to the pulpal pressure apparatus during material application and test procedures. They were stored for 24 h in distilled water at room temperature before the SBS test. Fracture analysis of the enamel and dentinal surfaces was performed using a stereomicroscope. Shear bond strength values to dentine was significantly reduced with pulpal pres...Continue Reading

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Citations

Aug 13, 2011·Clinical Oral Investigations·Mutlu Özcan, Ayse Mese
Apr 25, 2012·Clinical Oral Investigations·Liuhe JiaAnnette Wiegand
Jul 16, 2008·Brazilian Oral Research·Marcio Vivan CardosoEliza Maria Agueda Russo
Apr 6, 2007·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Josimeri HeblingCarlos A S Costa

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