Evaluation of marginal integrity of laminate veneers constructed from two different ceramic materials : In-vitro study /
Ibrahim Sameh Mohamed Rady
Evaluation of marginal integrity of laminate veneers constructed from two different ceramic materials : In-vitro study / دقة حواف القشرة الخزفية المصنوعة من مادتين مختلفيتين من السراميك : دراسة معملية Ibrahim Sameh Mohamed Rady ; Supervised Lamiaa Khierallah , Reham Saied Elbasty - Cairo : Ibrahim Sameh Mohamed Rady , 2019 - 71 P. : facsimiles , photoghraphs ; 25cm
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
E.max CAD Marginal integrity Vertical marginal gap
Evaluation of marginal integrity of laminate veneers constructed from two different ceramic materials : In-vitro study / دقة حواف القشرة الخزفية المصنوعة من مادتين مختلفيتين من السراميك : دراسة معملية Ibrahim Sameh Mohamed Rady ; Supervised Lamiaa Khierallah , Reham Saied Elbasty - Cairo : Ibrahim Sameh Mohamed Rady , 2019 - 71 P. : facsimiles , photoghraphs ; 25cm
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
E.max CAD Marginal integrity Vertical marginal gap