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Accuracy of CBCT 3D and 2D images in dental arch space analysis : A diagnostic accuracy study / Nermen Sameh Abdelmenem ; Supervised Mushira M. Dahaba , Farid Medhat Farid

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Nermen Sameh Abdelmenem , 2021Description: 129 P. : charts , facsimiles ; 25cmOther title:
  • دقة التصوير المقطعى بالحاسوب مخروطى الشعاع فى الصور ثلاثية وثنائية الابعاد فى تحليل مساحة القوس السنية : دراسة للدقة التشخيصية [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral (Radiology and Diagnosis) Summary: Aim: This study was conducted to evaluate the accuracy and reliability of CBCT obtained 3D and 2D images in dental arch space analysis. Methodology: A total number of 12 maxillary and mandibular plaster models (6 maxilla and 6 mandible) and their corresponding CBCT scans from 6 patients were used. On each plaster model, 16 different measurements were selected and measured using the digital caliper and considered to be the gold standard. The same measurements were measured using the corresponding 2D & 3D CBCT direct digital models obtained from CBCT scanning of the participant patients using the Planmeca Promax 3D MID CBCT machine.This data was then analyzed by OnDemand3D{u2122} third party software. Results: There was an excellent to good agreement between the 2D & 3D CBCT obtained direct digital model measurements and real measurements in the whole study sample.Also, the difference between 2D & 3D CBCT measurements and real measurements was statistically and clinically NonSignificant except in the required space 3D CBCT measurement but this difference was higher in the 3D CBCT measurements.There was an overall underestimation tendency in the mean 3D CBCT linear measurements regarding most of study sample
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.05.Ph.D.2021.Ne.A (Browse shelf(Opens below)) Not for loan 01010110084732000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.05.Ph.D.2021.Ne.A (Browse shelf(Opens below)) 84732.CD Not for loan 01020110084732000
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Cai01.09.05.Ph.D.2021.Ka.E Effect of metal artifact reduction of cone beam computed tomography machine on accuracy of linear measurements of titanium dental implants : A validity and reliabality study / Cai01.09.05.Ph.D.2021.Ka.E Effect of metal artifact reduction of cone beam computed tomography machine on accuracy of linear measurements of titanium dental implants : A validity and reliabality study / Cai01.09.05.Ph.D.2021.Ne.A Accuracy of CBCT 3D and 2D images in dental arch space analysis : A diagnostic accuracy study / Cai01.09.05.Ph.D.2021.Ne.A Accuracy of CBCT 3D and 2D images in dental arch space analysis : A diagnostic accuracy study / Cai01.09.05.Ph.D.2021.No.E Evaluation of dimensional accuracy of 3D printed mandibular model using two different additive manufacturing techniques based on ultra-low dose multislice computed tomography scan data ; A diagnostic accuracy study / Cai01.09.05.Ph.D.2021.No.E Evaluation of dimensional accuracy of 3D printed mandibular model using two different additive manufacturing techniques based on ultra-low dose multislice computed tomography scan data ; A diagnostic accuracy study / Cai01.09.05.Ph.D.2021.No.E Evaluation of dimensional accuracy of 3D printed mandibular model using two different additive manufacturing techniques based on cone beam computed tomography scan data : A diagnostic accuracy study /

Thesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Oral (Radiology and Diagnosis)

Aim: This study was conducted to evaluate the accuracy and reliability of CBCT obtained 3D and 2D images in dental arch space analysis. Methodology: A total number of 12 maxillary and mandibular plaster models (6 maxilla and 6 mandible) and their corresponding CBCT scans from 6 patients were used. On each plaster model, 16 different measurements were selected and measured using the digital caliper and considered to be the gold standard. The same measurements were measured using the corresponding 2D & 3D CBCT direct digital models obtained from CBCT scanning of the participant patients using the Planmeca Promax 3D MID CBCT machine.This data was then analyzed by OnDemand3D{u2122} third party software. Results: There was an excellent to good agreement between the 2D & 3D CBCT obtained direct digital model measurements and real measurements in the whole study sample.Also, the difference between 2D & 3D CBCT measurements and real measurements was statistically and clinically NonSignificant except in the required space 3D CBCT measurement but this difference was higher in the 3D CBCT measurements.There was an overall underestimation tendency in the mean 3D CBCT linear measurements regarding most of study sample

Issued also as CD

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