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Post-gel polymerization shrinkage strain evaluation of four light-activated composites using different curing modes
المؤلف
المصدر
Journal of Baghdad College of Dentistry
العدد
المجلد 21، العدد 2 (30 يونيو/حزيران 2009)، ص ص. 14-17، 4ص.
الناشر
تاريخ النشر
2009-06-30
دولة النشر
العراق
عدد الصفحات
4
التخصصات الرئيسية
الموضوعات
الملخص EN
Background : One of the ways of minimizing polymerization shrinkage of light-activated composites is by applying short pulses of light energy, prepolymerization at low light intensity followed by final cure at high intensity (soft-start polymerization) or a combination of both.
This study investigated the influence of different curing modes on the postgel polymerization shrinkage strain of different light- activated composites.
Materials and methods : This study investigated the Post-Gel Polymerization Shrinkage Strain of two mm thick composite specimens after exposure to different curing modes.
Parameters included six conventional curing modes : Control (C), Pulse Delay I (PDI), Pulse Delay II (PDII), Soft-start (SS), Pulse Cure I (PCI), and Pulse Cure II (PCII) plus three experimental curing modes of higher energy density : Prolonged low-intensity pulse cure mode (PLPC), Prolonged moderate-intensity pulse cure mode (PMPC) and Rapid high-intensity continues cure mode (RHCC) for each of the four different light-activated composite materials (Tetric Ceram, Heliomolar, Herculite XRV and Degufill Mineral).
Results : Statistical analysis of the data by using the one-way analysis of variance revealed that, there was a statistically significant difference for all the polymerization shrinkage strains with the composite type, curing mode and post-curing-time.
Conclusion : Light intensity reduction and elongation of the curing time combined with pulse activation and soft start polymerization (PLPC curing mode) resulted in significantly lower and gradual post-gel polymerization shrinkage strain for all the light-activated composites being tested.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
al-Shaykhali, Ali A. Razooki. 2009. Post-gel polymerization shrinkage strain evaluation of four light-activated composites using different curing modes. Journal of Baghdad College of Dentistry،Vol. 21, no. 2, pp.14-17.
https://search.emarefa.net/detail/BIM-288504
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
al-Shaykhali, Ali A. Razooki. Post-gel polymerization shrinkage strain evaluation of four light-activated composites using different curing modes. Journal of Baghdad College of Dentistry Vol. 21, no. 2 (2009), pp.14-17.
https://search.emarefa.net/detail/BIM-288504
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
al-Shaykhali, Ali A. Razooki. Post-gel polymerization shrinkage strain evaluation of four light-activated composites using different curing modes. Journal of Baghdad College of Dentistry. 2009. Vol. 21, no. 2, pp.14-17.
https://search.emarefa.net/detail/BIM-288504
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references : p. 17
رقم السجل
BIM-288504
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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