Submitted: 22 Dec 2007
Accepted: 25 Feb 2013
ePublished: 25 Feb 2013
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J Iran Dent Assoc. 2007;19(3): 19-23.
  Abstract View: 22

Research

An in vitro study of wet-bonding fissure sealant micro-leakage (Embrace)

Tahereh Masoum*, Shahin Kasraie, Maryam Nafarie
*Corresponding Author: Email: ta_m1355@yahoo.com

Abstract

An in vitro study of wet-bonding fissure sealant micro-leakage (Embrace)

Dr. T. Masoum *- Dr. SH. Kasraie ** - Dr. M. Nafarie ***

*Assistant Professor of Pedodontics Dept., Faculty of Dentistry, Hamedan University of Medical Sciences.

**Assistant Professor of Operative Dentistry Dept., Faculty of Dentistry, Hamedan University of Medical Sciences.

*** Dentist.

Abstract

Background and Aim: It has been shown that bonding agents reduce the sealant micro-leakage especially after salivary contamination. This study attempts to evaluate the effect of a bonding agent (Single-Bond) and salivary contamination on a sealant micro-leakage (Embrace).

Materials and Methods: In this study a wet-bonding sealant (Embrace) was used in 64 sound human premolars after being etched with 35% phosphoric acid. The sealant micro-leakage was investigated under four different conditions: 1) Saliva + Bonding, 2) with bonding alone, 3) with saliva and 4) sealant alone. After thermocycling process, the teeth were covered with wax & nail polish except for 1-1.5 mm around the sealant. The samples were rinsed after immersed in 0.5% basic - fushin solution for 24 hours. Two buccolingual sections were prepared from central and proximal areas of the crowns. The micro-leakage was assessed according to the degree of dye penetration around the sealants.

Results: Dye penetration occurred in 5 cases of group 3 which was more than other groups. In the first group, 8 cases had a score more than 1, one less than the other groups. The Kruskal-Wallis test did not show any significant statistical differences between the groups.

Conclusion: The use of a bonding agent, prior to application of a Wet-bonding fissure sealant, does not have a significant effect on the micro-leakage of Embrace Sealant in isolated or saliva contaminated conditions.

Key words: Fissure sealant - Micro-leakage - Saliva contamination - Wet bonding

Corresponding Author: Pedodontics Dept., Faculty of Dentistry, Hamedan University of Medical Sciences.

e.mail: ta_m1355@yahoo.com

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