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Comparative investigation of the effect of using two rotary endodontic systems on the configuration of the curved root canals : In vitro study / Mohammed M. Fakhry Bebars ; Supervised Siza Yacoub Zakhary , Suzan Abdul Wanees Amin

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Mohammed Mohammed Fakhry Bebars , 2014Description: 105 P. : charts , facsimiles ; 25cmOther title:
  • بحث مقارن عن تأثير استخدام نظامين دوارين لعلاج الجذور على شكل قنوات الجذور المنحنية : دراسة معملية [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 shaping ability of two rotary endodontic systems: NRT and ProTaper Universal. Sixty extracted permanent human mandibular molars with mesiobuccal canal curvature between 20{u00B0} and 40{u00B0}, according to Schneider{u2019}s method. The mandibular molars were: equally divided into two groups; thirty mesiobuccal canals for each (n=30), according to the rotary instrument used to prepare the root canal either NRT or ProTaper. The parameters evaluated were: the extent and direction of canal transportation, centering ratio, post-instrumentation cross-sectional canal circularity and minimum remaining dentin thickness at two levels: 2mm from the apex (apical level) and height of maximum root curvature (coronal level). The parameters were evaluated using the modified Bramante technique where the mesial roots were resected and embedded in transparent resin blocks using custom made mold, the roots were sectioned horizontally at two levels, perpendicular to the long axis of the block. Pre-and post-instrumentation photographs of each section were taken using a stereomicroscope
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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.2014.Mo.C (Browse shelf(Opens below)) Not for loan 01010110071203000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.02.M.Sc.2014.Mo.C (Browse shelf(Opens below)) 71203.CD Not for loan 01020110071203000

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

The purpose of this study was to compare the shaping ability of two rotary endodontic systems: NRT and ProTaper Universal. Sixty extracted permanent human mandibular molars with mesiobuccal canal curvature between 20{u00B0} and 40{u00B0}, according to Schneider{u2019}s method. The mandibular molars were: equally divided into two groups; thirty mesiobuccal canals for each (n=30), according to the rotary instrument used to prepare the root canal either NRT or ProTaper. The parameters evaluated were: the extent and direction of canal transportation, centering ratio, post-instrumentation cross-sectional canal circularity and minimum remaining dentin thickness at two levels: 2mm from the apex (apical level) and height of maximum root curvature (coronal level). The parameters were evaluated using the modified Bramante technique where the mesial roots were resected and embedded in transparent resin blocks using custom made mold, the roots were sectioned horizontally at two levels, perpendicular to the long axis of the block. Pre-and post-instrumentation photographs of each section were taken using a stereomicroscope

Issued also as CD

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