Longevity and Clinical Performance of IPS-Empress Ceramic Restorations


Longevity and Clinical Performance of IPS-Empress Ceramic Restorations — A Literature Review FULL TEXT • Omar El-Mowafy, BDS, PhD, FADM • • Jean-François Brochu, DMD • A b s t r a c t A literature review of longevity and clinical performance of IPS-Empress restorations is presented. A MEDLINE search was conducted in fall 2000. Selection criteria were set so as to identify suitable clinical trials that were published in full and that had lasted more than 2 years. A total of 6 clinical trials on the performance of IPS-Empress inlays and onlays and a total of 3 clinical trials on the performance of IPS-Empress crowns were identified. Survival rates for IPS-Empress inlays and onlays ranged from 96% at 4.5 years to 91% at 7 years; most failures were due to bulk fracture. IPS-Empress crowns had a survival rate ranging from 92% to 99% at 3 to 3.5 years; crown failure was also mainly due to fracture. Dentists should inform their patients about these survival rates when offering such treatment. The use of IPS-Empress crowns in the posterior of the mouth is not recommended until the results of more long-term clinical trials are available. Table 1 and Table 2 in PDF format. MeSH Key Words: crowns; dental porcelain; dental restoration failure; inlays Reply to this article \| View replies [0]

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Longevity and Clinical Performance of IPS-Empress Ceramic Restorations — A Literature Review