J Korean Acad Conserv Dent.  2005 Jul;30(4):319-326. 10.5395/JKACD.2005.30.4.319.

Comparative bond strength of single step adhesives to different dentinal depths

• Cho YG
• Jin CH
• Min JB

• KMID: 2175697
• DOI: http://doi.org/10.5395/JKACD.2005.30.4.319

Abstract

This study compared the microtensile bond strength (microTBS) of single step adhesives to different dentin depths. Superficial or deep dentin was exposed in 30 molar teeth by sectioning immediately under the DEJ or 1.5 mm area from central pit, respectively. After polishing with 600-grit SiC paper, the dentin surfaces were assigned to three groups: AQ group-AQ Bond, L-Pop group-Adper Prompt L-Pop, Xeno group-Xeno III. The bonded specimens were sectioned into sticks and subjected to microTBS testing with a crosshead speed of 1 mm/minute. The results of this study were as follows; The microTBS to superficial dentin was higher than that to deep dentin in all group. The microTBS of Xeno group was significantly higher than that of L-Pop group and AQ group in both superficial and deep dentin (p < 0.05).

Keyword

Microtensile bond strength; Single step adhesive; Dentinal depths; Central pit; Superficial dentin; Deep dentin

MeSH Terms

Adhesives*
Dentin*
Molar
Tooth
Adhesives

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