Effect of topical fluorides and citric acid on heat-pressed all-ceramic material
Demirel, F.; Yüksel, G.ül.; Muhtarogullari, M.; Cekiç, C.
International Journal of Periodontics and Restorative Dentistry 25(3): 277-281
2005
ISSN/ISBN: 0198-7569 PMID: 16001740 Document Number: 589652
The effects of citric acid and acidulated phosphate fluoride on the surface roughness of autoglazed and overglazed all-ceramic IPS Empress materials were analyzed. Atomic force microscopy was used to measure the roughness. Citric acid solution (2.00%) was applied for 8 hours, simulating 2 years of exposure. Acidulated phosphate fluoride gel (1.23%) was applied for 32 minutes, simulating 2 years of fluoride therapy. Acidulated phosphate fluoride caused a significant roughening effect on both autoglazed and overglazed specimens.