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Influence of digitizing techniques on marginal and internal adaptation of all ceramic implant supported crown / Omer Ali Decani ; Supervised Jylan Fouad Elguindy , Mona Attia Elagroudi , Zahraa Eldawakhly

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Omer Ali Decani , 2014Description: 99 Leaves : facsimiles , photographs ; 30cmOther title:
  • تأثير التقنيات الرقمية على التكيف الحافى و الداخلى على تيجان السيراميك المستندة على غرسات [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontic Summary: The emergence of different types of scanners and competition in the market raise a question on the influence of these different scanners on the margin accuracy and internal fit of the CAD / CAM generated all - ceramic crowns. Three prefabricated titanium implant abutments representing upper first premolar were selected. Three implant abutments were scanned and divided into 3 groups as follows: Group 1: consisted of 5 scans using the cerec bluecam. Group2: consisted of 5 scans using the cerec omnicam. Group3: consisted of 5 scans using the Cerec Ineos camera. Ceramic crowns were prefabricating from vita mark II. The vertical marginal gap distance between the crown and the implant abutment was measured using stereomicroscope connected to computer and digital camera. Measurements were made at thirty points for each surface of the crown. A rubber base replica of the space between the crown and the implant abutments was made for each tested specimen to assess its internal fit using the stereomicroscope. The recorded data were collected, tabulated and statistically analyzed. it was found that the mean and standard deviation values of marginal accuracy data were 130 ± 3 æm, 320 ± 3 æm and 100 ± 2 æm with blue cam, Ineos and omnicam, respectively
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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 Cai01.09.09.M.Sc.2014.Om.I (Browse shelf(Opens below)) Not for loan 01010110065656000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2014.Om.I (Browse shelf(Opens below)) 65656.CD Not for loan 01020110065656000

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

The emergence of different types of scanners and competition in the market raise a question on the influence of these different scanners on the margin accuracy and internal fit of the CAD / CAM generated all - ceramic crowns. Three prefabricated titanium implant abutments representing upper first premolar were selected. Three implant abutments were scanned and divided into 3 groups as follows: Group 1: consisted of 5 scans using the cerec bluecam. Group2: consisted of 5 scans using the cerec omnicam. Group3: consisted of 5 scans using the Cerec Ineos camera. Ceramic crowns were prefabricating from vita mark II. The vertical marginal gap distance between the crown and the implant abutment was measured using stereomicroscope connected to computer and digital camera. Measurements were made at thirty points for each surface of the crown. A rubber base replica of the space between the crown and the implant abutments was made for each tested specimen to assess its internal fit using the stereomicroscope. The recorded data were collected, tabulated and statistically analyzed. it was found that the mean and standard deviation values of marginal accuracy data were 130 ± 3 æm, 320 ± 3 æm and 100 ± 2 æm with blue cam, Ineos and omnicam, respectively

Issued also as CD

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