000 02554cam a2200337 a 4500
003 EG-GiCUC
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008 201109s2019 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.2019.No.C
100 0 _aNouran Mahmoud Ibrahim
245 1 0 _aClinical evaluation of wear behavior of human enamel and chipping of veneered Zirconia against monolithic Zirconia :
_bRandomized controlled clinical trial /
_cNouran Mahmoud Ibrahim ; Supervised Hesham Katamish , Reham Elbasty
246 1 5 _aتجربة سر{u٠٦أأ}ر{u٠٦أأ}ة عشوائ{u٠٦أأ}ة:
_bالتق{u٠٦أأ}{u٠٦أأ}م الاكل{u٠٦أأ}ن{u٠٦أأ}كى لنمط تاكل م{u٠٦أأ}نا الاسنان و شطف الزركون{u٠٦أأ}ا المكسوة مقارنة بالزركون{u٠٦أأ}ا المتجانسة
260 _aCairo :
_bNouran Mahmoud Ibrahim ,
_c2019
300 _a86 P . :
_bcharts , facsmilies ;
_c25cm
502 _aThesis (Ph.D.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Prosthodontics
520 _a Zirconia became popular in dentistry because of this material{u2019}s excellent mechanical properties which include high strength, fracture toughness and biocompatibility.Zirconia was mainly used as a substructure for ceramic restorations and required veneering ceramics to obtain proper esthetics because of their high opacity. Despite the excellent physical properties of zirconia, veneer chipping has been identified as a major cause of failure.To overcome veneer chipping, dental manufacturers developed monolithic zirconia prostheses. One major concern with the use of monolithic zirconia as a restorative material is the abrasive nature and wear against opposing enamel because of this material{u2019}s hardness and surface roughness Therefor this study was carried out to clinically evaluate the wear behavior of human enamel and chipping of two ceramic materials for the posterior teeth. The examined materials were veneered zirconia 2Katana super translucent layered by feldspathic3 and monolithic zirconia 2Katana super translucent
530 _aIssued also as CD
653 4 _aHuman enamel
653 4 _aWear behavior
653 4 _aZirconia
700 0 _aHesham katamish ,
_eSupervisor
700 0 _aReham Elbasty ,
_eSupervisor
856 _uhttp://172.23.153.220/th.pdf
905 _aAmira
_eCataloger
905 _aNazla
_eRevisor
942 _2ddc
_cTH
999 _c78643
_d78643