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In vitro comparison of canal centering ability of ProTaper and twisted rotary files / Marwa Nashaat Shawky Elmasry ; Supervised Alaa Eldin H. Diab , Suzan Abdulwanees Amin

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Marwa Nashaat Shawky Elmasry , 2012Description: 79 Leaves : charts , facsimiles ; 30cmOther title:
  • مقارنة معملية بين نظامى المبارد البروتابر الدوارة و المبارد الملتوية الدوارة فى القدرة على الحفاظ على تمركز القناة [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics Summary: The purpose of this study was to compare the efficacy of three rotary NiTi systems; Protaper retreatment system, K3 endo rotary files, Twisted rotary files and Hedstrom hand files in the removal of gutta-percha filling material from root canals with moderate and severe curvatures. Results: No statistically significant difference was observed between the amount of remaining filling in moderately and severely curved canals. At the apical third of the canals; the amount of remaining filling material was significantly lower using H-files and K3 rotary files. No significant difference was revealed between retreatment techniques at the middle, coronal thirds of the canals. Conclusions: None of the experimental techniques guaranteed complete removal of the filling material from the root canal system. Hedstrom hand files and K3 rotary system proved to be more efficient than Protaper retreatment files and Twisted files in the removal of filling material from curved root canal walls. The apical part remains a challenge during retreatment procedure
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.02.M.Sc.2012.Ma.I (Browse shelf(Opens below)) Not for loan 01010110063712000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.02.M.Sc.2012.Ma.I (Browse shelf(Opens below)) 63712.CD Not for loan 01020110063712000

Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Endodontics

The purpose of this study was to compare the efficacy of three rotary NiTi systems; Protaper retreatment system, K3 endo rotary files, Twisted rotary files and Hedstrom hand files in the removal of gutta-percha filling material from root canals with moderate and severe curvatures. Results: No statistically significant difference was observed between the amount of remaining filling in moderately and severely curved canals. At the apical third of the canals; the amount of remaining filling material was significantly lower using H-files and K3 rotary files. No significant difference was revealed between retreatment techniques at the middle, coronal thirds of the canals. Conclusions: None of the experimental techniques guaranteed complete removal of the filling material from the root canal system. Hedstrom hand files and K3 rotary system proved to be more efficient than Protaper retreatment files and Twisted files in the removal of filling material from curved root canal walls. The apical part remains a challenge during retreatment procedure

Issued also as CD

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