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Pit and Fissure Sealant Retention Following Air Abrasion Preparation with Bioactive Glass and Aluminum Oxide Particles

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Purpose: Alumina air abrasion is an alternative for acid-etch technique for tooth preparation before placement of a fissure sealant. The aim of this study was to compare the retention of sealants placed subsequent to air abrasion with alumina and bioactive glass (BAG) particles.

Methods: Sixty-two 6–12 year old children were included in this study. Using a halfmouth design, the fissures were prepared using air abrasion with alumina particles on randomly assigned permanent mandibular or/and maxillary first molars on one side of the mouth (Group 1) and air abrasion with BAG on the contralateral side of the mouth (Group 2). Sealants were applied on 180 teeth, and were scored as missing, partially retained, and completely retained after three, six, nine and 12 months. Data were analyzed using Friedman and Wilcoxon tests (α=0.05).

Results: Sealant retention rates in the alumina group were higher than those in the BAG group at all time periods (P<0.001).

Conclusions: Sealant retention after air abrasion with alumina particles was higher than BAG over 12 months.
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Keywords: ALUMINA; BIOACTIVE GLASS; SEALANT

Document Type: Research Article

Affiliations: 1: Professor Dental Materials Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran 2: Associate professor, Dental Materials Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran 3: Assistant professor, Department of Pediatric Dentistry, Shahrekord, Chaharmahal and Bakhtiari University of Medical Sciences, Isfahan, Iran;, Email: fatemehnaderidnt@gmail.com

Publication date: 2016-09-01

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  • Acquired after the merger between the American Society of Dentistry for Children and the American Academy of Pediatric Dentistry in 2002, the Journal of Dentistry for Children (JDC) is an internationally renowned journal whose publishing dates back to 1934. Published three times a year, JDC promotes the practice, education and research specifically related to the specialty of pediatric dentistry. It covers a wide range of topics related to the clinical care of children, from clinical techniques of daily importance to the practitioner, to studies on child behavior and growth and development. JDC also provides information on the physical, psychological and emotional conditions of children as they relate to and affect their dental health.
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