Authors: Burcak Cehreli, Sevi¹; Arikan, Serdar²; Gulsahi, Kamran³; Arhun, Neslihan⁴; Arman, Ayca⁵; Sargon, Mustafa⁶

Source: Journal of Dentistry for Children, Volume 76, Number 1, January-April 2009 , pp. 53-57(5)

Publisher: American Academy of Pediatric Dentistry

Abstract:

Purpose: The purpose of this study was to investigate the microleakage of a light cured, ormocer-based fissure sealant when photopolymerized with 2 different light emitting diode (LED) curing units and a conventional quartz-tungsten halogen (QTH) light-curing unit.

Methods: Thirty freshly extracted, unerupted human third molars from 9 adolescent were randomly assigned into 3 groups (N=10/group). Pits and fissures were acid etched for 30 seconds, rinsed for 15 seconds with an air-water spray, and air-dried. An ormocer-based fissure sealant material (Admira Seal) was applied to all fissures. In group 1, the sealant was photopolymerized with a Smart Light LED curing unit (Dentsply) for 10 seconds. Another LED curing unit (Elipar II) and a conventional QTH curing unit (Hilux) were used in groups 2 and 3 for 10 and 30 seconds, respectively. Specimens were immersed in 0.5% basic fuchsin for 24 hours, sectioned and examined under a stereomicroscope, and scored for marginal microleakage.

Results: Statistical analysis of microleakage scores revealed no significant difference among the groups tested (P>.05, Kruskal-Wallis test).

Conclusion: The tested LED curing units may provide reduction in total application time without comprising marginal integrity of the ormocer-based sealant.

Keywords: FISSURE SEALANT; MICROLEAKAGE; PHOTOPOLYMERIZATION; LIGHT EMITTING DIODE

Document Type: Research article

Affiliations: 1: Baskent University Faculty of Dentistry, Department of Pediatric Dentistry, Ankara, Turkey 2: Osmanlı Dis Hastanesi, Ankara, Turkey 3: Baskent University Faculty of Dentistry, Department of Endodontics, Ankara, Turkey 4: Baskent University Faculty of Dentistry, Department of Conservative Dentistry, Ankara, Turkey 5: Baskent University Faculty of Dentistry, Department of Orthodontics, Ankara, Turkey 6: Hacettepe University, Faculty of Medicine, Department of Anatomy, Ankara, Turkey

Publication date: 2009-01-01

More about this publication?

• 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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