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Statements

Subject Item
n2:RIV%2F61989592%3A15110%2F14%3A33151384%21RIV15-MSM-15110___
rdf:type
n14:Vysledek skos:Concept
dcterms:description
Statement of problem. The application of new materials and techniques creates a tremendous need for appropriate clinical guidelines. There is a lack of evidence based clinical study concerning the use of CAD/CAM fabricated aluminum oxide core crowns and veneers. Purpose. The purpose of the study was to evaluate the clinical performance and predictability of CAD/CAM fabricated aluminum oxide core crowns and veneers after an observation period of one to four years. Material and methods. The study was performed as a retrospective clinical evaluation of all consecutively treated patients treated from January 1, 2004 through June 30, 2007 who provided consent to be included in this assessment. Complications of the crowns and veneers were divided the into four categories: Minor complications (MC), Loosening (L), Veneer fracture (VF) and Failure (F). Survival rate of the restorations were estimated by using Kaplan-Meier statistical analysis. Results. A total of 603 alumina core crowns were placed in 350 patients while 166 alumina core veneers were placed in 53 patients. All restorations were fabricated for premolar, canine or incisor teeth; none of the crowns were used on molar teeth. For the crowns the 4-year cumulative failure rate was 2.79%. By contrast the alumina veneer core veneers demonstrated cumulative failure at 4 years of 23.05%. Conclusion. Based upon this retrospective study of 603 Ceramic crowns and 166 ceramic veneers with a minimum of 12 months and a maximum of 48 months both of which used a high-strength alumina core it appears that the clinical performance of the ceramic crowns (97.1% survival probability) at up to 4 years is far superior to that of the ceramic veneer (63.6% survival probability). Statement of problem. The application of new materials and techniques creates a tremendous need for appropriate clinical guidelines. There is a lack of evidence based clinical study concerning the use of CAD/CAM fabricated aluminum oxide core crowns and veneers. Purpose. The purpose of the study was to evaluate the clinical performance and predictability of CAD/CAM fabricated aluminum oxide core crowns and veneers after an observation period of one to four years. Material and methods. The study was performed as a retrospective clinical evaluation of all consecutively treated patients treated from January 1, 2004 through June 30, 2007 who provided consent to be included in this assessment. Complications of the crowns and veneers were divided the into four categories: Minor complications (MC), Loosening (L), Veneer fracture (VF) and Failure (F). Survival rate of the restorations were estimated by using Kaplan-Meier statistical analysis. Results. A total of 603 alumina core crowns were placed in 350 patients while 166 alumina core veneers were placed in 53 patients. All restorations were fabricated for premolar, canine or incisor teeth; none of the crowns were used on molar teeth. For the crowns the 4-year cumulative failure rate was 2.79%. By contrast the alumina veneer core veneers demonstrated cumulative failure at 4 years of 23.05%. Conclusion. Based upon this retrospective study of 603 Ceramic crowns and 166 ceramic veneers with a minimum of 12 months and a maximum of 48 months both of which used a high-strength alumina core it appears that the clinical performance of the ceramic crowns (97.1% survival probability) at up to 4 years is far superior to that of the ceramic veneer (63.6% survival probability).
dcterms:title
Predictability of CAD/CAM fabricated aluminum oxide core crowns and veneers Predictability of CAD/CAM fabricated aluminum oxide core crowns and veneers
skos:prefLabel
Predictability of CAD/CAM fabricated aluminum oxide core crowns and veneers Predictability of CAD/CAM fabricated aluminum oxide core crowns and veneers
skos:notation
RIV/61989592:15110/14:33151384!RIV15-MSM-15110___
n4:aktivita
n10:I
n4:aktivity
I
n4:cisloPeriodika
12
n4:dodaniDat
n11:2015
n4:domaciTvurceVysledku
n5:2850117 n5:1626299 n5:4688937
n4:druhVysledku
n7:J
n4:duvernostUdaju
n16:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
38731
n4:idVysledku
RIV/61989592:15110/14:33151384
n4:jazykVysledku
n9:eng
n4:klicovaSlova
crown; Veneer; aluminium oxide; Predictability
n4:klicoveSlovo
n12:crown n12:Predictability n12:aluminium%20oxide n12:Veneer
n4:kodStatuVydavatele
IN - Indická republika
n4:kontrolniKodProRIV
[303E259EBB86]
n4:nazevZdroje
IOSR Journal of Dental and Medical Sciences
n4:obor
n6:FF
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
4
n4:rokUplatneniVysledku
n11:2014
n4:svazekPeriodika
13
n4:tvurceVysledku
Špidlen, Miloš Azar, Basel Eckert, Steven E Mounajjed, Radek
s:issn
2279-0861
s:numberOfPages
6
n18:doi
10.9790/0853-131267782
n17:organizacniJednotka
15110