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ORIGINAL RESEARCH Table of Contents   
Year : 2012  |  Volume : 23  |  Issue : 3  |  Page : 320-325
Comparative evaluation of marginal integrity of glass ionomer and resin based fissure sealants using invasive and non-invasive techniques: An in vitro study


1 Department of Public Health Dentistry, K. M. Shah Dental and Hospital, Sumandeep Vidyapeeth, Piparia, Vadodara, India
2 Department of Public Health Dentistry, Bapuji Dental College and Hospital, Davangere, India
3 Department of Public Health Dentistry, Navodaya Dental College, Raichur, India

Correspondence Address:
Shilpa Gunjal
Department of Public Health Dentistry, K. M. Shah Dental and Hospital, Sumandeep Vidyapeeth, Piparia, Vadodara
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0970-9290.102214

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Background: Occlusal surfaces of the molars are highly susceptible to dental decay. Pit and fissure sealants are one of the best methods of preventing fissure caries. The main problem encountered is microleakage leading to deterioration of material and increased possibility of the development of secondary caries. Aims: To assess and compare the marginal integrity of glass ionomer (Fuji VII) and resin based (Clinpro) fissure sealants using invasive and non-invasive technique. Setting and Design: Experimental in-vitro study. Materials and Methods: An in-vitro study was conducted on 40 healthy, extracted premolars. The teeth were divided into 4 groups. Group I: Clinpro-invasive technique, group II: Clinpro-non-invasive technique, group III: Fuji VII-invasive technique, group IV: Fuji VII-non-invasive technique. Sealants were applied and subjected to an evaluation under SEM (scanning electron microscopy) for the width of the marginal gap. ANOVA (analysis of variance) and Duncan's multiple range tests were used for the statistical analysis. Results: The mean width of the marginal gap was 0.4089 μm in group I as compared to 3.0485 μm in group III; and the difference was statistically highly significant (P<0.001). In non-invasive technique, Clinpro and Fuji VII showed a mean marginal gap width of 0.4486 μm and 3.0485 μm, respectively. This difference was statistically highly significant at a P<0.001. There was no statistically significant difference in the mean widths between invasive and non-invasive techniques. Conclusion: Clinpro performed better in terms of marginal adaptation than did the Fuji VII sealant. The techniques (Invasive and non-invasive) does not influence the marginal integrity significantly.


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