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Frequency of external root resorption and distal caries in mandibular second molars associated with mandibular impacted third molars in a sample of Egyptian population using CBCT : A hospital based cross-sectional study / Rawan Abd Elwahab Bahaa Eldin Elkassas; Supervised Dina Elbeshlawy , Salma Eiid

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Rawan Abdelwahab Bahaa Eldin Elkassas , 2020Description: 118 P. : charts , facsimiles ; 25cmOther title:
  • دراسة ش{u٠٦أأ}وع التآكل الخارجى للجذور والتسوس فى الضرس الثانى المجاور لضرس العقل المغمور فى الفك السفلى فى قطاع من المصر{u٠٦أأ}{u٠٦أأ}ن باستخدام الآشعه المقطع{u٠٦أأ}ة بالحاسوب مخروط{u٠٦أأ}ة الشعاع : دراسة مقطع{u٠٦أأ}ة مستندة إلى المستشفى [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Nedicine - Department of Oral and Radiology Diagnosis Summary: Aim To investigate the prevalence and risk factors of external root resorption (ERR) and distal caries in mandibular second molars adjacent to impacted third molars in a sample of Egyptian population. Methodology: CBCT scans involving 255 mandibular impacted third molars were included. Demographic factors (age and gender) and Radiographic factors (impaction angulation and impaction depth) were assessed. The presence of ERR and distal caries in mandibular second molar and their association with the demographic and radiographic data was analyzed. Statistical analysis was performed using IBM SPSS Statistics Version 2.0 for Windows. Results: The prevalence of ERR was 18.4% in mandibular second molars with higher occurrences in horizontal and mesioangular third molars classified as class B and C (P= 0.001, P=0.017). Besides, class C impaction increased the risk of ERR severity in second molars (P < 0.05). The prevalence of caries was 14.5%, with increased caries severity with class A impaction (P< 0.001).Conclusions: ERR and distal caries occurring in mandibular second molars adjacent to impacted third molars should not be neglected. ERR should be suspected with horizontal and mesioangular third molars classified as class B and C impaction depth
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.05.M.Sc.2020.Ra.F (Browse shelf(Opens below)) Not for loan 01010110085064000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.05.M.Sc.2020.Ra.F (Browse shelf(Opens below)) 85064.CD Not for loan 01020110085064000

Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Nedicine - Department of Oral and Radiology Diagnosis

Aim To investigate the prevalence and risk factors of external root resorption (ERR) and distal caries in mandibular second molars adjacent to impacted third molars in a sample of Egyptian population. Methodology: CBCT scans involving 255 mandibular impacted third molars were included. Demographic factors (age and gender) and Radiographic factors (impaction angulation and impaction depth) were assessed. The presence of ERR and distal caries in mandibular second molar and their association with the demographic and radiographic data was analyzed. Statistical analysis was performed using IBM SPSS Statistics Version 2.0 for Windows. Results: The prevalence of ERR was 18.4% in mandibular second molars with higher occurrences in horizontal and mesioangular third molars classified as class B and C (P= 0.001, P=0.017). Besides, class C impaction increased the risk of ERR severity in second molars (P < 0.05). The prevalence of caries was 14.5%, with increased caries severity with class A impaction (P< 0.001).Conclusions: ERR and distal caries occurring in mandibular second molars adjacent to impacted third molars should not be neglected. ERR should be suspected with horizontal and mesioangular third molars classified as class B and C impaction depth

Issued also as CD

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