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Evaluation of marginal integrity of laminate veneers constructed from two different ceramic materials : In-vitro study / Ibrahim Sameh Mohamed Rady ; Supervised Lamiaa Khierallah , Reham Saied Elbasty

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Ibrahim Sameh Mohamed Rady , 2019Description: 71 P. : facsimiles , photoghraphs ; 25cmOther title:
  • دقة حواف القشرة الخزفية المصنوعة من مادتين مختلفيتين من السراميك : دراسة معملية [Added title page title]
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Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics Summary: Statement of problem: Zirconia reinforced lithium silicate glass-ceramic is considered as a new ceramic material. although, not widely used for the construction of laminate veneer.it would be a promising material regarding the marginal integrity and fracture resistance of laminate veneer. Aim of the study: To evaluate the vertical marginal gap of laminate veneers constructed with two different ceramic materials Materials and method: A total of 16 freshly extracted central incisor were prepared with veneer but-joint design, mounted in epoxy blocks then divided into two equal groups. (n=8) Group (A): Celtra duo, Group (B): E.max CAD. Laminate veneers were scanned with Omnicam designed with biogeneric option and 4.4 CEREC software fabricated by CEREC MC XL milling machine, fired for a short firing cycles, then cemented with Choice 2 resin cement after surface treatment, Measurements were reported after thermocycling. Result: It was found that Celtra duo group recorded higher marginal gap mean value than e.max group mean value and this was statistically significant as indicated by two-way ANOVA test (P=<0.0001< 0.05). Conclusion: Both Celtra duo and e max cad veneers provide clinically acceptable marginal accuracy. Clinical implication: Celtra duo is a promising material to be used for laminate veneers constructions in the esthetic region
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2019.Ib.E (Browse shelf(Opens below)) Not for loan 01010110080840000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.09.09.M.Sc.2019.Ib.E (Browse shelf(Opens below)) 80840.CD Not for loan 01020110080840000
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Cai01.09.09.M.Sc.2019.Hi.E Effect of using rigid versus non-rigid attachments on stresses induced in peri-implant bone in implant-supported prostheses : Finite element analysis : A non-randomized in-vitro study / Cai01.09.09.M.Sc.2019.Ho.E Effect of type of luting cement on color stability of hybrid ceramic CAD CAM restoration after immersion in staining solution : An in vitro study / Cai01.09.09.M.Sc.2019.Ho.E Effect of type of luting cement on color stability of hybrid ceramic CAD CAM restoration after immersion in staining solution : An in vitro study / Cai01.09.09.M.Sc.2019.Ib.E Evaluation of marginal integrity of laminate veneers constructed from two different ceramic materials : In-vitro study / Cai01.09.09.M.Sc.2019.Ib.E Evaluation of marginal integrity of laminate veneers constructed from two different ceramic materials : In-vitro study / Cai01.09.09.M.Sc.2019.Ib.E Evaluation of the neurosensory disturbances after inferior alveolar nerve lateralization with and without isolation of the simultaneously placed implants using collagen membrane : Randomized clinical trial / Cai01.09.09.M.Sc.2019.Ib.E Evaluation of the neurosensory disturbances after inferior alveolar nerve lateralization with and without isolation of the simultaneously placed implants using collagen membrane : Randomized clinical trial /

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

Statement of problem: Zirconia reinforced lithium silicate glass-ceramic is considered as a new ceramic material. although, not widely used for the construction of laminate veneer.it would be a promising material regarding the marginal integrity and fracture resistance of laminate veneer. Aim of the study: To evaluate the vertical marginal gap of laminate veneers constructed with two different ceramic materials Materials and method: A total of 16 freshly extracted central incisor were prepared with veneer but-joint design, mounted in epoxy blocks then divided into two equal groups. (n=8) Group (A): Celtra duo, Group (B): E.max CAD. Laminate veneers were scanned with Omnicam designed with biogeneric option and 4.4 CEREC software fabricated by CEREC MC XL milling machine, fired for a short firing cycles, then cemented with Choice 2 resin cement after surface treatment, Measurements were reported after thermocycling. Result: It was found that Celtra duo group recorded higher marginal gap mean value than e.max group mean value and this was statistically significant as indicated by two-way ANOVA test (P=<0.0001< 0.05). Conclusion: Both Celtra duo and e max cad veneers provide clinically acceptable marginal accuracy. Clinical implication: Celtra duo is a promising material to be used for laminate veneers constructions in the esthetic region

Issued also as CD

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