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The effect of laser curing of composite on bond strength of orthodontic brackets / Alaa Eldin Hamouda Abdelziz Elmahmoudy ; Supervised Ahmed Abbas Zaky , Tarek Abdelhamid Harhash

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Alaa Eldin Hamouda Abdelziz Elmahmoudy , 2018Description: 70 P. : charts , facsimiles ; 25cmOther title:
  • تأثير المعالجة بالليزر لمادة الكومبوزيت المثبتة لحاصرات تقويم الأسنان على قوة الرابطة بين حاصرات التقويم والأسنان [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University -The National Institute of Laser Sciences - Department of Laser Applications in Oral Surgery Dentistry Summary: This study was done to compare bond strength of the orthodontic brackets after laser curing composite with that after conventional light curing.One hundred and twenty extracted human premolars teeth divided equally into 3 groups, and every tooth embedded in a block of plaster. Etching and bonding carried out according to the manufacture instructions. Group 1: curing done by conventional halogen light curing device for 20 seconds.Group2: curing done by Argon laser device for 20 seconds. Group3: curing done by argon laser device for 5 seconds.Each sample was mounted on the lower fixed compartment of a computer controlled materials testing machine and data were recorded using computer software.Then subjected to a compressive loading and the maximum failure load was recorded. Obtained data were tabulated and statistically analyzed to determine the bond strength between the orthodontic brackets and the teeth.The analysis shows that, the highest bond strength was in group one, followed by group two and lowest bond strength was group three
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.24.04.M.Sc.2018.Al.E (Browse shelf(Opens below)) Not for loan 01010110084958000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.24.04.M.Sc.2018.Al.E (Browse shelf(Opens below)) 84958.CD Not for loan 01020110084958000

Thesis (M.Sc.) - Cairo University -The National Institute of Laser Sciences - Department of Laser Applications in Oral Surgery Dentistry

This study was done to compare bond strength of the orthodontic brackets after laser curing composite with that after conventional light curing.One hundred and twenty extracted human premolars teeth divided equally into 3 groups, and every tooth embedded in a block of plaster. Etching and bonding carried out according to the manufacture instructions. Group 1: curing done by conventional halogen light curing device for 20 seconds.Group2: curing done by Argon laser device for 20 seconds. Group3: curing done by argon laser device for 5 seconds.Each sample was mounted on the lower fixed compartment of a computer controlled materials testing machine and data were recorded using computer software.Then subjected to a compressive loading and the maximum failure load was recorded. Obtained data were tabulated and statistically analyzed to determine the bond strength between the orthodontic brackets and the teeth.The analysis shows that, the highest bond strength was in group one, followed by group two and lowest bond strength was group three

Issued also as CD

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