Title
Author
DOI
Article Type
Special Issue
Volume
Issue
Microleakage and penetration depth of three types of materials in fissure sealant: self-etching primer vs etching: an in vitro study
1,Odontologic Research Laboratory
2Bordeaux Dental School, University Victor Segalen Bordeaux 2, 16-20 cours de la Marne, 33 082 Bordeaux cedex, France
DOI: 10.17796/jcpd.26.2.31h2381422840n3n Vol.26,Issue 2,April 2002 pp.175-178
Published: 01 April 2002
*Corresponding Author(s): D. Gillet E-mail: dogillet@club-internet.fr
Clinical preventive procedures must be done after a risk assessment. One of the risk factors is the occlusal morphology of the posterior teeth. These caries-free fissures must be sealed. This first in vitro experimentation of the study evaluated the microleakage and the penetration depth of three types of materials by Vivadent: Helioseal F®,Tetric®,Tetric Flow®. The teeth were etched with phosphoric acid and bonded using a one bottle bonding in order to determine the best material for the sealing of the fissure. The depth of penetration of fuschine dye as well as that of the tested material was measured with a grid. The results, compared to the depth of the fissures, are expressed in percentage of penetra-tion. The results were as follows: penetration of fuschine dye: 0 % for the 2 composites, 100 % for Helioseal F®; penetration of the materials: 96.90 % for Hélioseal F®, 70.82 for Tetric® and 86.10 for Tet-ric Flow® (significant difference, Wilcoxon test = 0.0105). In this first in vitro study, Tetric Flow® shows no microleakage and is more efficient when compared to Helioseal F® and Tetric® in obturating deep fissures of non carious bicuspids. The second experiment of the study evaluated the microleakage and the penetration depth of Tetric Flow® when it is bonded by two different methods: Group 1: total etch (phosphoric acid) and Scotch-bond 1® (3M), and Group 2: self-etching primer with Prompt® (Espe). There was no significant difference (p > 0.03) between classical bonding vs self-etching primer. The self-etching primer Prompt® is very efficient vs phosphoric acid in obturating the fissures of non car-ious bicuspids with Tetric Flow®. It is concluded that for prevention by sealing, using a flowable ceromer (Tetric Flow®) with the self-etching (Prompt®), is a really good technique.
D. Gillet,J. Nancy,V. Dupuis,G. Dorignac. Microleakage and penetration depth of three types of materials in fissure sealant: self-etching primer vs etching: an in vitro study. Journal of Clinical Pediatric Dentistry. 2002. 26(2);175-178.
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