Standardization of distance and angulation of light curing unit tip using distometer

Radzi, Z. and Abu Kasim, Noor Hayaty and Yahya, N.A. and Abu Osman, Noor Azuan and Kassim, N.L. (2007) Standardization of distance and angulation of light curing unit tip using distometer. In: 3rd Kuala Lumpur International Conference on Biomedical Engineering 2006, 2006, Kuala Lumpur.

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Abstract

The purpose of this study was to investigate the light intensity of selected light curing unit with varying distance and angulation of the light curing tip and lightmeter. Four types of light units; Spectrum 800 (Dentsply), Coltulux 3 (Coltene), Elipar FreeLight 2 (3M Espe) and Starlight Pro (Mectron) were evaluated for light intensity at various distance between the light curing tip and the lightometer Cure Rite Denstply (0, 1, 3, 5, 10 and 15 mm). The light curing units were angulated at 45 degrees, 60 degrees and 90 degrees at a standardized 5 mm distance. The intensity of light curing is affected by the distance between the light curing tip and the lightmeter. However, the decrease in light intensity of the light curing unit was found not to obey the inverse square law for the distances 0 to 15 Mm. The study found that there was no significant difference between 45 degrees and 600 angulation between the light curing tip and the lightmeter. However, the decrease in light intensity is significant when compared to the light tip is placed perpendicular (90 degrees) to the aperture of the light meter.

Item Type: Conference or Workshop Item (Speech)
Additional Information: Associate Prof. Dr. Noor Hayaty Binti Abu Kasim Department of Conservative Dentistry, Faculty of Dentistry Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA http://www.researcherid.com/rid/B-9275-2010
Uncontrolled Keywords: Distance; Angulation; Light Curing Unit; Light Intensity; Composite Resin; Self-Repair; Culture-Conditions; Composite Resin; Dental Pulp Stem Cell; Functionally Graded Design; Multi Layered Post; Functionally Graded Dental Post; Soft Skills; Clinical Pairing; Dental Pulp Stromal Cells; Long-Term Expansion
Subjects: R Medicine
R Medicine > R Medicine (General)
R Medicine > RK Dentistry
R Medicine > RK Dentistry > Practice of dentistry. Dental economics
Divisions: Faculty of Dentistry > Dept of Conservative Dentistry
Depositing User: Associate Prof. Dr. Noor Hayaty Abu Kasim
Date Deposited: 11 Jan 2012 02:07
Last Modified: 07 Feb 2019 08:20
URI: http://eprints.um.edu.my/id/eprint/2478

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