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Influence Of Different Post Systems (Fiber, Titanium) With Various Widths On The Fracture Resistance Of Endodontically Treated Single Rooted Teeth : An in Vitro Study / Presented by Mashael Mohammed Abdo ; Supervisors Prof. Dr.Maged M.Negm, Dr. Fatma Mohammed Saeed

By: Contributor(s): Material type: TextTextLanguage: English Summary language: English Spoken language: Arabic Producer: 2021Description: 104 pages : illustrations ; 25 cm. + CDContent type:
  • text
Media type:
  • Unmediated
Carrier type:
  • volume
Other title:
  • تاثير استخدام الانظمة الدعامية )الالياف التايتنيوم( بمختلف الاقطار علي مقاومة الكسر للأسنان احادية الجذور التي تمت لها المعالجة اللبية : الدراسه مختبرية [Added title page title]
Subject(s): DDC classification:
  • 617.6
Available additional physical forms:
  • Issued also as CD
Dissertation note: Thesis (M.Sc.) -Cairo University, 2021. Summary: The aim of the present study was to evaluate the influence of different post systems (fiber and titanium posts) with different post sizes (1.30, 1.60, 1.9 mm) and (1.3, 1.65, 1.80 mm) respectively on the fracture resistance of the endodontically treated single rooted teeth. Methodology: Fifty-four freshly extracted maxillary central incisors were selected and grouped into three main groups according to the post system used; Group A were prepared to receive Rely-X posts with different sizes. Group B were prepared to receive titanium posts with different sizes. Group C were prepared to receive obturation only (control group). The specimens were prepared using Protaper Universal rotary files. Intervention groups A and B were divided, each into three sub groups; Group A was divided into Rely-X yellow coded (R.X.Y.C), Rely-X Red Coded (R.X.R.C), Rely-X Blue Coded (R.X.B.C) while Group B was divided into Short Titanium Posts (S.T.P), Medium Titanium Posts (M.T.P), Long Titanium Posts (L.T.P). Specimens were then loaded to fracture in a universal testing machine. The maximum load at which the teeth fractured and the fracture patterns were recorded. Results: There was a statistically significant difference among all groups (p value < 0.001); the control group showed the highest fracture resistance (783.3 ± 437.6) N followed by the Rely-X Red Coded (R.X.R.C.) group (562.4 ± 149.3) N while the Short Titanium Posts ( S.T.P.) group showed the least fracture resistance (204.3 ± 997) N. vii Conclusion: The control group recorded the highest fracture resistance while the short titanium posts (STP) recorded the least fracture resistancSummary: تم اختيار اربعه وخمسين من القواطع المركزية العلوية التي تم جمعهاا حادي اًا وتام تقسايمها فاي ثالام مجموعاات رئيساية . الاتلات مجموعااات الرئيساايه م مجموعااه أ لاسااتقباد دعامااات الالياااف بمختلاا الاحجااام و و المجموعااه ا لاسااتقباد دعامااات التايتااانيوم بمختلا الاحجاام و المجموعاه ي والتاي تاام لهاا المعاجاه اللبياه فقاان دون اساتخدام ال مان الادعامات. تاام عما المعالجاه اللبياه لكافااة الاسنان المستخدمه في التجربه وتم تقسيم المجموعه أ والمجموعه ا كلا منهم الاي ثالام مجموعاات فرعياه تبعاا للاحجاام المختلفاه للدعامات . ثم تم تحمي العينات للتعريض للكسر في آلاة اختباار عالمياة. تام تساجي الحما الأقياى الاذل تكسار فياه الأسانان ونمان الكسر. الاستنتاجات : كان هناك فرق معتد به إحيائيا بين جميع المجموعات . اظهرت المجموعاه ي اعلاي مقاوماه للكسار متبوعاه بالمجموعاه أ التاي تام دعمها بدعامات الالياف وظهرت المجموعه ا باق مقاومه للكسر. المضمون النهائي: سجلت دعامات التيتانيوم اق مقاومه للكسر بينما سجلت المعالجه اللبيه فقن للاسنان اعلي معدد لمقاومة الكسر.
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01 09 02 M.Sc 2021 Ma.I (Browse shelf(Opens below)) Not for loan 01010110088313000
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Cai01.09.02.M.SC.2021.Am.c Comparative evaluation of using cone beam computerized tomography (cbct) and conventional radiography confirmed with apex locator for working length determination in curved root canals clinical study / Cai01.09.02.M.Sc.2021.Ma.F Fracture stregnth of endodontically treated teeth with minimally invasive access cvity desgin versus conventional one : An in vitro study / Cai01.09.02.M.Sc.2021.Ma.F Fracture stregnth of endodontically treated teeth with minimally invasive access cvity desgin versus conventional one : An in vitro study / Cai01 09 02 M.Sc 2021 Ma.I Influence Of Different Post Systems (Fiber, Titanium) With Various Widths On The Fracture Resistance Of Endodontically Treated Single Rooted Teeth : An in Vitro Study / Cai01.09.02.M.Sc.2021.Na.P Post Operative Pain And Expression Of Substance P, Il8 After The Use Of Ketorolac Irrigant In Teeth With Symptomatic Irreversible Pulpitis With Apical Periodontitis : Clinical Trial / Cai01.09.02.M.Sc.2021.Ne.E. Effect of preoperative, single-dose amoxicillin/clavulanic acid combination on postoperative endodontic pain in patients with symptomatic apical periodontitis: A double-blind randomized controlled trial / Cai01.09.02.M.Sc.2021.Pa.A Assessment of fracture resistance in teeth with simulated perforating internal root resorption cavities repaired with Biodentine, retro mta and portland cement : A comparative in vitro study /

Thesis (M.Sc.) -Cairo University, 2021.

Bibliography: pages 90-101.

The aim of the present study was to evaluate the influence of different post systems (fiber and
titanium posts) with different post sizes (1.30, 1.60, 1.9 mm) and (1.3, 1.65, 1.80 mm) respectively
on the fracture resistance of the endodontically treated single rooted teeth.
Methodology: Fifty-four freshly extracted maxillary central incisors were selected and grouped into
three main groups according to the post system used; Group A were prepared to receive Rely-X posts
with different sizes. Group B were prepared to receive titanium posts with different sizes. Group C
were prepared to receive obturation only (control group). The specimens were prepared using
Protaper Universal rotary files. Intervention groups A and B were divided, each into three sub groups;
Group A was divided into Rely-X yellow coded (R.X.Y.C), Rely-X Red Coded (R.X.R.C), Rely-X
Blue Coded (R.X.B.C) while Group B was divided into Short Titanium Posts (S.T.P), Medium
Titanium Posts (M.T.P), Long Titanium Posts (L.T.P). Specimens were then loaded to fracture in a
universal testing machine. The maximum load at which the teeth fractured and the fracture patterns
were recorded.
Results: There was a statistically significant difference among all groups (p value < 0.001); the
control group showed the highest fracture resistance (783.3 ± 437.6) N followed by the Rely-X Red
Coded (R.X.R.C.) group (562.4 ± 149.3) N while the Short Titanium Posts ( S.T.P.) group showed
the least fracture resistance (204.3 ± 997) N.
vii
Conclusion: The control group recorded the highest fracture resistance while the short titanium posts
(STP) recorded the least fracture resistanc

تم اختيار اربعه وخمسين من القواطع المركزية العلوية التي تم جمعهاا حادي اًا وتام تقسايمها فاي ثالام مجموعاات رئيساية . الاتلات
مجموعااات الرئيساايه م مجموعااه أ لاسااتقباد دعامااات الالياااف بمختلاا الاحجااام و و المجموعااه ا لاسااتقباد دعامااات التايتااانيوم
بمختلا الاحجاام و المجموعاه ي والتاي تاام لهاا المعاجاه اللبياه فقاان دون اساتخدام ال مان الادعامات. تاام عما المعالجاه اللبياه لكافااة
الاسنان المستخدمه في التجربه وتم تقسيم المجموعه أ والمجموعه ا كلا منهم الاي ثالام مجموعاات فرعياه تبعاا للاحجاام المختلفاه
للدعامات . ثم تم تحمي العينات للتعريض للكسر في آلاة اختباار عالمياة. تام تساجي الحما الأقياى الاذل تكسار فياه الأسانان ونمان
الكسر.
الاستنتاجات :
كان هناك فرق معتد به إحيائيا بين جميع المجموعات . اظهرت المجموعاه ي اعلاي مقاوماه للكسار متبوعاه بالمجموعاه أ التاي تام
دعمها بدعامات الالياف وظهرت المجموعه ا باق مقاومه للكسر.
المضمون النهائي:
سجلت دعامات التيتانيوم اق مقاومه للكسر بينما سجلت المعالجه اللبيه فقن للاسنان اعلي معدد لمقاومة الكسر.

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