Abstract
Background: None of the previous studies have evaluated acrylic resin teeth used at the Dentistry Department of Hamadan University of Medical Sciences (brands: Finix, Super Berelian, and Betastar). Methods: A total of 252 samples containing acrylic resin teeth used at Hamadan Dental School were studied. Finix, Super Berelian, and Betastar were selected in the same mold and in 3 colors. (A1, A2, A3). The samples of each brand were studied in 2 groups. The first group was placed in a solution of Dentipur cleaner for 7 days. The second group of specimens was placed in 100 mL of distilled water. Data were recorded in the CIELAB system, and the spectrophotometer obtained values of ΔE, ΔL, ΔH, and ΔC. Then, changes in each of the components were obtained before and after the intervention. Results: The results show that the changes in the parameters of ΔE, ΔL and ΔC were statically significant when comparing the 2 groups (P < 0.05) and only in terms of the parameter ΔH, the changes were not statically significant (P > 0.05). The changes made in the variables were significantly different from the initial color of the samples in the factors ΔE, ΔL and ΔH (P < 0.001) but in terms of the parameter ΔC, the changes were not statically significant (P > 0.001), and the changes in the variables were significantly different from the sample brand in all the measured factors (P < 0.001). Conclusions: Dentipur denture cleaner creates more color change than distilled water in acrylic teeth. The changes in most variables were associated with the shade of acrylic teeth, and in the teeth with brighter shade, the color change was higher compared with a darker shade. Super Berelian teeth have the most color change and Betastar teeth showed the lowest change in color. Delta E value was clinically acceptable.
Highlights
None of the previous studies have evaluated acrylic resin teeth used at the Dentistry Department of Hamadan University of Medical Sciences
Denture or prosthetic teeth are produced in different generations and colors and are available in porcelain cooked in a vacuum, methacrylate resins, modified methacrylate resins, vinyl resins, and composite resins [1]
This study was conducted in this field and the main findings are: ►► The Dentipur denture cleaner creates more color change than distilled water, in acrylic teeth. ►► Changes in most variables were associated with the shade of acrylic teeth. ►► Super Berelian teeth had the most color change and Betastar teeth showed the least change in color
Summary
None of the previous studies have evaluated acrylic resin teeth used at the Dentistry Department of Hamadan University of Medical Sciences (brands: Finix, Super Berelian, and Betastar). Methods: A total of 252 samples containing acrylic resin teeth used at Hamadan Dental School were studied. Conclusions: Dentipur denture cleaner creates more color change than distilled water in acrylic teeth. The changes in most variables were associated with the shade of acrylic teeth, and in the teeth with brighter shade, the color change was higher compared with a darker shade. Super Berelian teeth have the most color change and Betastar teeth showed the lowest change in color. Methacrylate resin teeth are less wear-resistant than porcelain teeth, and they change color with organic colors. Teeth made of composite resin show significantly less enamel wear than porcelain teeth. The fillers in these teeth increase the strength of the teeth, which has led to the use of composite resin teeth as the most commonly used teeth in the design of single complete dentures [1].
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