Effect of Tuf-Coat on Feldspathic porcelain materials.
Journal of oral rehabilitation, vol.32, no.1, pp.39-45, 2005 (SCI-Expanded, Scopus)
- Publication Type: Article / Article
- Volume: 32 Issue: 1
- Publication Date: 2005
- Doi Number: 10.1111/j.1365-2842.2004.01367.x
- Journal Name: Journal of oral rehabilitation
- Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Page Numbers: pp.39-45
- Keywords: Tuf-Coat, ion exchange, dental ceramic, failure, flexural strength, strengthening, ION-EXCHANGE, FLEXURAL STRENGTH, CERAMICS
- Istanbul University Affiliated: Yes
Abstract
Ion exchange has been shown to increase the fracture strength of not only industrial glasses but also dental porcelains. Tuf-Coat, an ion exchange material, has been introduced as a simple method to strengthen dental porcelain restorations. Our experimental investigation aims to evaluate the effect of the ion exchange (Tuf-Coat) on the flexural strengths of specimens made with Vita VMK 68, Ceramco veneer, IPS and Matchmaker body porcelain. Eighty specimens were fabricated as discs 13 mm in diameter and 2 mm thick according to manufacturers' recommendations. Specimens were tested using a universal testing machine with a crosshead speed of 0.5 mm/min. by a method of biaxial flexural strength test. The results were evaluated using one-way variance analysis and 'Student's t' test to compare results at P < 0.05 level. Among the porcelains tested only Vita VMK 68 has been statistically affected by the ion exchange method Tuf-Coat.