October 2010
Therapeutic effect of topical applications of trichloroacetic acid and hydrogen peroxide for aphthous ulcers minor
The author attempted to evaluate the therapeutic effect of local application of Trichloroacetic Acid (TCA), hydrogen peroxide (H2O2) and normal saline for aphthous ulcers minor (AUM). Fifty four patients with AUM were enrolled in this study between January, 2002 and December, 2004. They were divided blindly into 3 equal groups , 18 patients managed with local application of 30% TCA ,18 treated by local 6%...
October 2010
In vitro study of staining agents effects on optical properties of esthetic restorative materials
The authors have studied the effect of four staining agents on the optical properties of esthetic restorative materials through translucency tests. Two commercial brands of composite resins were used: Point 4 (Kerr) and Charisma (Heraeus-Kulzer). The liquids tested were: wine, cola, chlorhexidine solution and nicotine solution. The translucency was measured at different periods of time: P0 – before immersion...
