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Journal of Dentistry, Shiraz University of Medical Sciences، جلد ۹، شماره ۲، صفحات ۱۷۰-۰
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Effect of Voltage Stabilizer on the Light Intensity Output of Curing Units |
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| چکیده انگلیسی مقاله |
Statement of Problem: The success rate of light composite restorative treatments is in close relation to the light intensity of the light curing units. Purpose: The purpose of this study was to evaluate the rate of light intensity of visible light curing units, before and after voltage stabilizer application. Materials and Method: This study was performed on 82 light curing units in all clinics and dental offices of Yazd city. For evaluating light exit intensity, Hilux radiometer was used. At first, the light intensity was measured, and then by use of 220 V electrical voltage stabilizer the light exit intensity was recorded. Results were analyzed using Pearson and Spearman tests. Results: Mean range of light intensity before and after voltage stabilizer was 241.3 and 272.6 mW/cm 2 respectively. There were statistically significant differences between before and after use of voltage stabilizer ( p < 0.05). Considering the light intensity, 64.7% of the light curing units were suitable for optimum curing and 8.6% were in group that required increase light exposure time. 21.9% did not completely cure the composites, and 4.8 % were in group with higher light intensity (over 500 mW/Cm 2 ). Conclusion: Light intensity output of the curing units in dental clinics of Yazd city were less than expected, but by using voltage stabilizer, the light intensity was significantly increased. |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
ar دانش کاظمی | ar daneshkazemi
assistant professor , department of restorative dentistry, school of dentistry, yazd university of medical sciences, yazd, iran
سازمان اصلی تایید شده: دانشگاه یزد (Yazd university)
ar داوری | ar davari
assistant professor , department of restorative dentistry, school of dentistry, yazd university of medical sciences, yazd, iran
سازمان اصلی تایید شده: دانشگاه یزد (Yazd university)
m موسوی نسب | m mousavinasab
assistant professor , department of restorative dentistry, school of dentistry, yazd university of medical sciences, yazd, iran
سازمان اصلی تایید شده: دانشگاه یزد (Yazd university)
ar شاهباغی | ar shahbaghi
dentist
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| نشانی اینترنتی |
http://dentjods.sums.ac.ir/index.php/JDSUMS/article/view/339 |
| فایل مقاله |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
Original Article |
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