Effect of Toothbrushing on Surface Color of Ceramic-polymer Materials: An In Vitro Study
| Autor: | Kraig S Vandewalle, Farzan L Pouranfar, Cade A Salmon, Ryan R. Sheridan |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Toothpaste
business.product_category Materials science business.industry Dentistry 030206 dentistry law.invention 03 medical and health sciences 0302 clinical medicine law 030220 oncology & carcinogenesis visual_art visual_art.visual_art_medium Lithium disilicate In vitro study Ceramic Toothbrush business General Dentistry |
| Zdroj: | The Journal of Contemporary Dental Practice. 21:1054-1058 |
| ISSN: | 1526-3711 |
| Popis: | Aim and objective The purpose of this study was to examine the effects of toothbrushing on the change in color of extrinsic characterization of ceramic-polymer materials. Materials and methods Two ceramic-polymer materials (CeraSmart, GC; Enamic, VITA) and one lithium-disilicate material (IPS e.max CAD; Ivoclar Vivadent) were tested. Specimens of each material were prepared, characterized, and glazed per manufacturer's instructions. The treated surface of the blocks were then brushed in a toothpaste slurry with artificial saliva using a toothbrush machine with a soft toothbrush. Commission Internationale de L'Eclairage (CIE) L*a*b* values were recorded with a spectrophotometer at baseline and at 3, 6, 9, and 12 simulated years of brushing (7,300 strokes/year). A mean change in color (ΔE*) and standard deviation was determined for each group and brushing interval. Data were analyzed with a two-way repeated measures ANOVA examining the effects of toothbrushing the ceramic materials on ΔE* over time (α = 0.05). Results The difference in the ΔE* between CeraSmart and Enamic was significant at 3 years, while the differences between them were not significant at 6, 9, and 12 years of simulated brushing. The ΔE* of IPS e.max CAD was significantly lower than CeraSmart and Enamic at all time points (all p Conclusion The extrinsic stains on the ceramic-polymer materials may be more susceptible to change from simulated toothbrushing compared to the lithium-disilicate material. Clinical significance Toothbrushing may change the color of extrinsic characterization of ceramic-polymer materials. However, the change may remain clinically imperceptible to the naked eye (ΔE* > 1.0) for nearly 6 equivalent years of brushing. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|