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ORIGINAL ARTICLE
Year : 2022  |  Volume : 13  |  Issue : 4  |  Page : 349-355

Comparative evaluation of penetrative and adaptive properties of unfilled and filled resin-based sealants when placed using conventional acid etching, lasing, and fissurotomy bur technique of enamel preparation: An in vitro scanning electron microscope study


1 Department of Pediatric and Preventive Dentistry, Government Dental College and Hospital, Aurangabad, Maharashtra, India
2 Department of Pediatric and Preventive Dentistry, College of Dental Sciences and Hospital, Amargadh, Saurashtra, India
3 Department of Pediatric and Preventive Dentistry, Yerla Medical Trust's Dental College and Hospital, Kharghar, Navi Mumbai, Maharashtra, India
4 Department of Pediatric and Preventive Dentistry, Dr. D. Y. Patil Dental School, Charholi, Lohegaon, Pune, Maharashtra, India

Correspondence Address:
Dr. Poonam Ramrao Shingare
Department of Pedodontics and Preventive Dentistry, Government Dental College and Hospital, Aurangabad - 431 001, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ccd.ccd_227_21

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Background: There is a confusion regarding selection of unfilled or filled sealant and method of enamel preparation before sealant application. This study was carried out to compare three techniques of enamel preparation using both unfilled and filled type of sealants. Objective: The objective of the study is to assess the penetrative and adaptive ability of filled and unfilled sealants in three techniques of enamel fissure preparations. Materials and Methods: Total 36 extracted teeth were divided into 3 groups, each containing 12 samples. The samples of Group A were prepared by conventional acid etching with 37% phosphoric acid, and the Group B was subjected to Er: YAG lasing, while in Group C, fissurotomy followed by acid etching was done. The sealant placement was carried out using split tooth design in all the samples. Assessment of penetration and adaptation was done under scanning electron microscope using the scoring criteria adopted by Kane B et al. and Dukic W et al. Results: Group A and Group C showed better adaptation than Group B. Statistically, no significant difference was observed in the penetration property among three techniques. Similarly, the unfilled and filled sealant showed statistically nonsignificant results for the penetration and adaptation comparison. Conclusion: Irrespective of the sealant material selected, the conventional method of acid etching alone or in conjunction with fissurotomy bur for better retentiveness seems to be an acceptable choice of treatment modality. The study will help the clinicians to choose the sealant material and technique of enamel preparation.


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