Abstract
The effect of different beverages on acrylic resin denture teeth color degradation is evaluated. Ten acrylic resin denture teeth brands were evaluated: Art Plus (AP), Biolux (BX), Biotone IPN (BI), Magister (MG), Mondial 6 (MD), Premium 6 (PR), SR Vivodent PE (SR), Trilux (TR), Trubyte Biotone (TB), and Vipi Dent Plus (VP). Teeth were immersed in staining solutions (coffee, cola, and orange juice) or artificial saliva (control) (n=6) for 1, 7, 15, or 30 days. Specimen colors were evaluated spectrophotometrically based on the Commission Internationale d'Eclairage L*a*b* system. Color differences (ΔE) were calculated between the baseline and post-staining results. Data were evaluated by analysis of variance and Tukey test (α = 0.05). BI (1.82 ± 0.95) and TR (1.78 ± 0.72) teeth exhibited the greatest ΔE values, while BX (0.88 ± 0.43) and MD (1.09 ± 0.44) teeth were the lowest, regardless of solution and measurement period, and were different from BI and TR teeth (P < 0.05). Cola and coffee promoted higher denture teeth color alterations than orange juice and saliva (P < 0.05). Saliva generated the lowest denture teeth color alterations. Greater immersion times caused higher denture teeth color changes. The lifespan of removable dentures and the aesthetic satisfaction of several edentulous patients may be increased with the use of stain-resistant artificial denture teeth.
Highlights
The importance of artificial tooth staining is clear considering that a significant part of the population needs rehabilitation treatment with removable dentures
The largest color change occurred for the Biotone IPN (BI) denture that was immersed in cola for 30 days, and the lowest color change was observed for the BX denture that was immersed in cola for 1 day
BX (ΔE 1⁄4 0.88 Æ 0.43) and Mondial 6 (MD) (ΔE 1⁄4 1.09 Æ 0.44) had the lowest values with no significant difference between them (P 1⁄4 0.396); they were significantly different from BI and TR (P < 0.05) (Fig. 1)
Summary
The importance of artificial tooth staining is clear considering that a significant part of the population needs rehabilitation treatment with removable dentures. As aesthetic demand increases and patients’ expectations are high, stain resistance plays a significant role in the selection of denture teeth.[1]. Several authors have shown the effect of beverages on the color stability of direct and indirect restorative materials[7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22] and acrylic resin denture bases.[23,24,25,26,27,28] The authors[7,8,9] observed
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