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Volume 25 , Issue 3
May/June 2005

Pages 277–281

Effect of Topical Fluorides and Citric Acid on Heat-Pressed All-Ceramic Material

Figen Demirel, DDS, MS, PhD/Gülsen Yüksel, DDS, MS, PhD/Mehmet Muhtarogulları, DDS, MS, PhD/Cihat Çekiç, DDS, MS, PhD

PMID: 16001740
DOI: 10.11607/prd.00.0634

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. (Int J Periodontics Restorative Dent 2005;25:277–281.)

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