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Evaluation of the effect of final rinse with chitosan nanoparticles and edta on the push-out bond strength of resin-based and bioceramicbased root canal sealers : A comparative in vitro study / Anan Medhat Mohamed Abdallah ; Supervised Angie G. Ghoneim , Nehal Nabil Roshdy

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Anan Medhat Mohamed Abdallah , 2020Description: 134 P. : charts , facsimiles ; 25cmOther title:
  • دراسة تأثير الشطف النهائى بالجسيمات النانوية الشيتوزان و حمض الأسيتيك الإيثيلى الديامينى على قوة رابطة سدادات قناة الجذر القائمة على الراتنج و الخزفيات الحيوية : دراسة مقارنة 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: Aim: This study was conducted to evaluate the effect of chitosan nanoparticles (CNPs), CNPs/EDTA (1:1), and EDTA as final irrigants on the push-out bond strength and nanoleakage of different root canal sealers. Methodology: Sixty extracted human, single-rooted mandibular premolars were prepared using ProTaper Next rotary system with 2.5% NaOCl irrigation. The specimens were randomly distributed into three groups according to the final irrigating solution; Group 1: 0.2% CNPs, Group 2: 0.2% CNPs/17% EDTA (1:1), and Group 3: 17% EDTA. A standardized volume of 5 ml of each chelating solution was used for 3 min. Each group was divided into two subgroups based on the tested sealer; AH Plus resin sealer and Sure-Seal Root bioceramic sealer. For assessment of the push-out bond strength, roots were sectioned horizontally to obtain 2 mm-thick discs from the coronal, middle and apical thirds, then discs were subjected to a compressive load via the universal testing machine followed by assessment of the failure pattern using stereomicroscope. Nanoleakage evaluation was done using a modified silver staining technique with ammoniacal silver nitrate tracer solution. Teeth were sectioned longitudinally and examined using scanning electron microscope (SEM) .Results: AH Plus had a significantly higher bond strength compared to Sure-Seal bioceramic sealer in the three groups (p < 0.05). There was no significant difference in AH Plus bond strength among the three groups. On the other hand, Sure-Seal bioceramic sealer displayed a significantly higher bond strength in the CNPs group (p = 0.02). AH Plus showed a significantly higher bond strength at the coronal third compared to Sure-Seal bioceramic sealer (p < 0.05) with no significant difference between them in the middle third
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.02.M.Sc.2020.An.E (Browse shelf(Opens below)) Not for loan 01010110083032000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.02.M.Sc.2020.An.E (Browse shelf(Opens below)) 83032.CD Not for loan 01020110083032000
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Cai01.09.02.M.Sc.2020.Am.E Evaluation of the effect of endodontic irrigation using eddy sonic activation VS XP endo finisher on enterococcus faecalis colonizing the dentinal tubules of single rooted teeth : A comparative randomized in-vitro study / Cai01.09.02.M.Sc.2020.Am.E Evaluation of the effect of endodontic irrigation using eddy sonic activation VS XP endo finisher on enterococcus faecalis colonizing the dentinal tubules of single rooted teeth : A comparative randomized in-vitro study / Cai01.09.02.M.Sc.2020.An.E Evaluation of the effect of final rinse with chitosan nanoparticles and edta on the push-out bond strength of resin-based and bioceramicbased root canal sealers : A comparative in vitro study / Cai01.09.02.M.Sc.2020.An.E Evaluation of the effect of final rinse with chitosan nanoparticles and edta on the push-out bond strength of resin-based and bioceramicbased root canal sealers : A comparative in vitro study / Cai01.09.02.M.Sc.2020.Ma.E Effect of intracanal cryotherapy on postoerative pain in molar teeth with irreversible pulpitis and symptomatic apical periodontitis : Randomized clinical trial / Cai01.09.02.M.Sc.2020.Ma.E Effect of intracanal cryotherapy on postoerative pain in molar teeth with irreversible pulpitis and symptomatic apical periodontitis : Randomized clinical trial / Cai01.09.02.M.Sc.2020.Ma.G Geometric analysis of mesio-buccal root canals of mandibular molars prepared by (M-pro), flexmaster and RaCe file systems : An in vitro study /

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

Aim: This study was conducted to evaluate the effect of chitosan nanoparticles (CNPs), CNPs/EDTA (1:1), and EDTA as final irrigants on the push-out bond strength and nanoleakage of different root canal sealers. Methodology: Sixty extracted human, single-rooted mandibular premolars were prepared using ProTaper Next rotary system with 2.5% NaOCl irrigation. The specimens were randomly distributed into three groups according to the final irrigating solution; Group 1: 0.2% CNPs, Group 2: 0.2% CNPs/17% EDTA (1:1), and Group 3: 17% EDTA. A standardized volume of 5 ml of each chelating solution was used for 3 min. Each group was divided into two subgroups based on the tested sealer; AH Plus resin sealer and Sure-Seal Root bioceramic sealer. For assessment of the push-out bond strength, roots were sectioned horizontally to obtain 2 mm-thick discs from the coronal, middle and apical thirds, then discs were subjected to a compressive load via the universal testing machine followed by assessment of the failure pattern using stereomicroscope. Nanoleakage evaluation was done using a modified silver staining technique with ammoniacal silver nitrate tracer solution. Teeth were sectioned longitudinally and examined using scanning electron microscope (SEM) .Results: AH Plus had a significantly higher bond strength compared to Sure-Seal bioceramic sealer in the three groups (p < 0.05). There was no significant difference in AH Plus bond strength among the three groups. On the other hand, Sure-Seal bioceramic sealer displayed a significantly higher bond strength in the CNPs group (p = 0.02). AH Plus showed a significantly higher bond strength at the coronal third compared to Sure-Seal bioceramic sealer (p < 0.05) with no significant difference between them in the middle third

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