introduction: the aim of this study was to assess the caries-preventive potential of carbon dioxide (co2) laser application in conjunction with the use of titanium tetra fluoride solution on the enamel adjacent to bracket. methods: seventy-five freshly extracted bovine incisors were used. in order to attach the brackets, the area of examination was covered with adhesive tape to limit acid etchi...

Although fluoride induces corrosion in titanium in an oral environment, the influence of protein on this corrosion remains to be clarified. The objective of this study was to investigate suppression of fluoride-induced corrosion of titanium where albumin was either present in a solution or where albumin was preadsorbed on titanium. Titanium dissolution in titanium specimens and surface characte...

Titanium and fluoride-containing hydroxyl apatite were synthesized through precipitation method following by a hydrothermal stage at 100oC for 6 hours. XRD analysis of the sample scalcinedat650oC for 1 hour revealed that all samples have pure apatite structure. The existence of Fluoride substitution in apatite structure was confirmed by FTIR(Fourier Transform Infrared Spectroscopy) analysis. Su...

OBJECTIVE The purpose of this study was to examine the effect of commercially available fluoride-containing oral rinses on the corrosion behavior of titanium alloys, which are the main components of orthodontic miniscrews. METHODS Four commercially available oral rinses (solution A, pH 4.46/260 ppm fluoride; solution B, pH 4.41/178 ppm fluoride; solution C, pH 6.30/117 ppm fluoride; and solut...

Background: Fixed appliances hinder the effective control of plaque accumulation and white spot lesions may develop under the ill fitting bands or adjacent to the stainless steel brackets during orthodontic treatment particularly the etching process. Aims and Objectives: Comparative study of tensile bond strength of an orthodontic adhesive with and without fluoride application after acid etchin...

The purpose of the present study was to clarify the potentiality of acidic fluoride solution in treating peri-implantitis. We examined bactericidal activity of fluoride solution against periodontal pathogens; and evaluated the effects of fluoride on titanium, and the effects on cell proliferation and differentiation of rat bone marrow cells on the fluoride-treated titanium. Aggregatibacter acti...

objectives: the aim of this in-vitro study was to evaluate the effect of topical fluoride on surface of cast titanium and nickel-chromium. materials and methods: thirty-nine rectangular specimens of titanium (grade 2) and 39 rectangular specimens of nickel-chromium were cast in equal dimensions and divided into three groups of 13 samples each. group one specimens of titanium and nickel-chromium...

OBJECTIVE The present study aimed to investigate the effect of fluoride-modified titanium surface on adhesion of irradiated osteoblasts. MATERIALS AND METHODS Fluoride-modified surface was obtained and the morphology, roughness, and chemical composition of the surface were evaluated by scanning electron microscopy, atomic force microscopy, and X-ray photoelectron spectroscopy, respectively. T...

In the last few decades, titanium and its alloys have been developed in different areas of dentistry. The chemical properties of the oxide layer formed on the surface of titanium play an important role in the biocompatibility of the titanium implants and surrounding tissues. Generally, fluoride containing preparations have high fluoride concentration and pH range between 7.2 and 3.2. Since, flu...

The purpose of this study was to investigate the correlation between corrosion resistance and surface composition of an experimental Ti-20 mass% Cr casting alloy in a saline solution containing fluoride. The alloy had a greater resistance to corrosion in a fluoride-containing saline solution than did commercially pure titanium. However, with confirmed dissolution of titanium and chromium, it me...