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2010•˜Al-œRafidain dental journal/Maǧallaẗ al-rāfidayn li-ṭibb al-asnānOpen access

Analysis of Intensity in Different Light Cure Units Used in Dentistry

Jameel M. A. Sulaiman

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Abstract

0.05) were detected between Intensity and vary-ing time at 5, 10, 20, 30 sec. Conclusions: The intensity of the curing light was strongly affected by the angles and distance. The decrease in light intensity was significant (p< 0.05) when the light tip placed at an angle 70 and a way to the aperture of the a curing radiometer, but the magnitude of the intensity it becomes more with the same procedure when the angle was perpendicular 900. The decrease in the light intensity of the light curing units, agree with the inverse square law for the distances 0 to 16 mm. The study found that there was no significant difference (p> 0.05) in light intensity between the light curing tip and a curing radiometer varying with time. This study notice that the intensity of the light cure type LED is less than QTH(Quartz Tungsten Halogen).]]>

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0.05) were detected between Intensity and vary-ing time at 5, 10, 20, 30 sec. Conclusions: The intensity of the curing light was strongly affected by the angles and distance. The decrease in light intensity was significant (p< 0.05) when the light tip placed at an angle 70 and a way to the aperture of the a curing radiometer, but the magnitude of the intensity it becomes more with the same procedure when the angle was perpendicular 900. The decrease in the light intensity of the light curing units, agree with the inverse square law for the distances 0 to 16 mm. The study found that there was no significant difference (p> 0.05) in light intensity between the light curing tip and a curing radiometer varying with time. This study notice that the intensity of the light cure type LED is less than QTH(Quartz Tungsten Halogen).]]>

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Available abstract

0.05) were detected between Intensity and vary-ing time at 5, 10, 20, 30 sec. Conclusions: The intensity of the curing light was strongly affected by the angles and distance. The decrease in light intensity was significant (p< 0.05) when the light tip placed at an angle 70 and a way to the aperture of the a curing radiometer, but the magnitude of the intensity it becomes more with the same procedure when the angle was perpendicular 900. The decrease in the light intensity of the light curing units, agree with the inverse square law for the distances 0 to 16 mm. The study found that there was no significant difference (p> 0.05) in light intensity between the light curing tip and a curing radiometer varying with time. This study notice that the intensity of the light cure type LED is less than QTH(Quartz Tungsten Halogen).]]>

Key concepts: Curing (chemistry), Light intensity, Halogen lamp, Radiometer, Materials science, Optics, Light guide, Composite material

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