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Clinical and antibacterial effectiveness of three different sealant materials

Author: Amin, Hatem E1

Source: Journal of Dental Hygiene, Number 5 Fall 1st October 2008 , pp. 45-45(1)

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Abstract:

Purpose. The aim of this work is to study and compare the retention rate, caries-preventing and antibacterial effects of resin-modified glass ionomer and flowable composite in comparison to conventional fissure sealant.

Methods. Forty-five children aged 7-10 years with newly erupted lower first permanent molars were randomly divided into three equal treatment groups. Group I: sealed by a conventional resin sealant; Group II: sealed by resin modified glass ionomer (RMGI); and Group III: sealed by flowable composite. Retention and caries status of the sealed teeth were recorded after 1 month, 6 months, year and 2 years. In addition, Streptococcus mutans counts were assessed at baseline, 1 day, 1 month, 6 months, 1 year and 2 years after sealant application. Data were analyzed by Fisher exact, chi-square and ANOVA tests.

Results. Group III and Group I showed significantly higher retention rates than Group II fissure sealant (p<0.05). There were no differences of the caries-preventive effects between the tested sealant materials throughout the duration of the study. Streptococcus mutans counts were significantly lower in group II compared to group I or group III up to 6 months of the study (p<0.05). After 1 year of the study the differences of Streptococcus mutans counts were not significant (p>0.05).

Conclusion. This study indicated a lower retention of RMGI compared to flowable composite and resin sealant without significant difference in caries prevention or long-term bacterial inhibition.

Keywords: sealant; retention; caries; bacteria

Document Type: Research article

Affiliations: 1: Dr. Hatem E. Amin is an assistant professor at Dental Public Health and Preventive Dentistry, Pedodontic and Dental Public Health Department, and Faculty of Dentistry at Tanta University in Egypt.

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