Volume 2, Issue 1 (1-2014)
YJDR 2014, 2(1): 82-91 |
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Kebriai F, Attarzadeh H, Davari A R, Mardanpour S. Phosphopeptide – Amorphous Calcium Phosphate (CPP-ACP) on Micotensile Bond Strength (µTBS) of Pit and Fissure Sealant in comparison with Fluoride. YJDR 2014; 2 (1) :82-91
URL: http://yjdr.ssu.ac.ir/article-1-29-en.html
URL: http://yjdr.ssu.ac.ir/article-1-29-en.html
Abstract: (9717 Views)
Introduction: casein phosphopeptide–amorphous calcium phosphate (CPP-ACP) application decreases the risk of dental carries besides other prophylactic methods such as fluoride therapy and fissure sealant. The aim of this study was to compare the effect of CPP-ACP on Microtensile bond strength of fissure sealant compared with fluoride.
Materials and Methods: This experimental study was done on 12 extracted third molars in two groups. In group 1 (control), enamel was pretreated with 1.23% APF for 4 minutes and in group 2 CPP-ACP for 3 minutes was applied. Enamel was etched by 37% phosphoric acid for 30 minutes. Then Single Bond 2 was applied according to the manufacturer’s instructions and Clinpro fissure sealant was placed. Then, by serially cutting tooth, multiple dumbbell-shaped specimens (1mm2) were obtained, and were loaded in tensile (1 mm/min) by Microtensile Test MTD-500 plus device. The study data were analyzed using Shapiro-Wilks،T-test and Fisher Exact-Test by statistical software SPSS ( version 17).
Result: Mean of µTBS in group 1 and 2 were 19/54 ± 3/06 and 27/20 ± 5/53 MPa, respectively. The bond strength of group 2 was statistically greater than group 1 (P-value = 0/001). Most of failures were cohesive and there were no significant differences among groups in mode of failure (P-value = 0/266).
Conclusion: GC tooth mousse application made higher Microtensile bond strength of fissure sealant in comparison with APF 1/23%. So CPP-ACP may safely be used before pit and fissure sealants.
Type of Study: Research |
Subject:
General
Received: 2014/04/16 | Accepted: 2014/04/16 | Published: 2014/04/16
Received: 2014/04/16 | Accepted: 2014/04/16 | Published: 2014/04/16
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