000 03255cam a2200349 a 4500
003 EG-GiCUC
005 20250223032858.0
008 211212s2021 ua dh f m 000 0 eng d
040 _aEG-GiCUC
_beng
_cEG-GiCUC
041 0 _aeng
049 _aDeposite
097 _aPh.D
099 _aCai01.09.09.Ph.D.2021.No.F
100 0 _aNora Mokhtar Nasr Sheded Alsedawy
245 1 0 _aFunctional evaluation of ceramic onlay restorations with different preparation designs /
_cNora Mokhtar Nasr Sheded Alsedawy ; Supervised Omaima Salah Eldein Elmahallawi , lamiaa khairalla , Noha Adel Mohie Eldin Elkhodary
246 1 5 _aالتقييم الوظيفى لترميم راصعة السيراميك مع استعدادات التصميم المختلفة :
_bدراسة اكلينيكية عشوائية
260 _aCairo :
_bNora Mokhtar Nasr Sheded Alsedawy ,
_c2021
300 _a200 P. :
_bcharts , facsimiles ;
_c25cm
502 _aThesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics
520 _aStatement of problem: Successful restoration of large molar defects is a serious clinical problem. Studies on the strength of teeth restored with ceramic restorations of various designs have provided conflicting results. And Long-term clinical data on the survival of pressed lithium disilicate glass ceramic when used with partial coverage restorations and the effect that different technical and clinical variables have on survival are sparse. Aim: The aim of this study is to evaluate the clinical functional performance of ceramic onlay restorations with butt joint preparation design and compare them to shoulder preparation design Methodology: Thirty eight onlay ceramic restorations were fabricated for posterior teeth. Scaling and polishing were performed for all the patients two weeks before preparation. The patients were divided into two groups according to the preparation designs.Group1:( shoulder design) and Group2 :( butt joint design)Wax pattern (cad/cam wax pattern cad on) was used for the try in stage using Cad/Cam (DWX-50) machine with software (Exocad) and monolithic lithium disilicate (IPS ,E.max press) was used for the final restorations. .The try-in and the final restorations were performed using heat pressing technique.The restoration surfaces were treated using hydrofluoric acid etchting and saline coupling agent) and the cementation was done by using duel cure -adhesive resin cement (I fix due resin cement). Fracture, marginal adaptation and patient satisfaction were assessed immediately after cementation using the modified United States Public Health Service for restoration clinical assessments (MUSPHS standards). These measurements were repeated after one, three, six, nine, and twelve months respectively
530 _aIssued also as CD
653 4 _aCAD/CAM (DWX-50)
653 4 _aCeramic onlay
653 4 _aDifferent preparation designs
700 0 _alamiaa khairalla ,
_eSupervisor
700 0 _aNoha Adel Mohie Eldin Elkhodary ,
_eSupervisor
700 0 _aOmaima Salah Eldein Elmahallawi ,
_eSupervisor
856 _uhttp://172.23.153.220/th.pdf
905 _aNazla
_eRevisor
905 _aShimaa
_eCataloger
942 _2ddc
_cTH
999 _c83497
_d83497