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Original Research

Open Access

Comparison of three different preparation methods in the improvement of sealant retention

  • Laura Camacho Castro1,*,
  • Ana Claudia Galvão1

1Department of Pediatric Dentistry, Tufts University School of Dental Medicine, 1 Kneeland Street, Boston, MA 02111.

DOI: 10.17796/jcpd.28.3.6601q47p5364206p Vol.28,Issue 3,July 2004 pp.249-252

Published: 01 July 2004

*Corresponding Author(s): Laura Camacho Castro E-mail: XXX


The purpose of this in vitro study was to evaluate the effect of three invasive fissure preparation methods in the

retention of sealant on the surfaces of permanent molars. One hundred and eight extracted caries-free human

molars were used in this study, which were divided into 3 groups according to the fissure preparation: laser, air

abrasion and bur. In addition, each of these three groups was further divided into 2 additional groups to isolate

those in which a bonding agent would be used from those in which a bonding agent would not be used. After

the accomplishment of the different treatments, samples from all the 6 experimental groups were submitted to

two different bond strength tests: (i) shear bond strength test and (ii) tensile bond strength test. Bond strengths

were determined by the dividing fracture load and a statistical test ANOVA was used to evaluate significant differences.

The results showed that laser improved the sealant retention when compared with air abrasion preparation

when the bonding agent was used.The use of bonding agent increased the sealant retention in all methods

except for tensile bond strength when air abrasion was used as the preparation method.

Cite and Share

Laura Camacho Castro,Ana Claudia Galvão. Comparison of three different preparation methods in the improvement of sealant retention. Journal of Clinical Pediatric Dentistry. 2004. 28(3);249-252.


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