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J Dent Res Dent Clin Dent Prospects. 2020;14(3): 159-165.
doi: 10.34172/joddd.2020.034
  Abstract View: 110
  PDF Download: 101

Basic Research

Original Article

Color changes of three different brands of acrylic teeth in removable dentures in three different beverages: An in vitro study

Roza Motayagheni 1 ORCID logo, Zia Ebrahim Adhami 2 ORCID logo, Seyede Mahsa Taghizadeh Motlagh 1 ORCID logo, Fereshte Mehrara 3, Neda Yasamineh 4* ORCID logo

1 Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
2 Department of Pediatrics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz,Iran
3 DDS. Tabriz University of Medical Sciences, Tabriz, Iran
4 Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
*Corresponding author: Neda yasamineh. Tel:+98-9143149205 Email: yasamineh@gmail.om.

Abstract

Background. The best prosthetic appliances exhibit a high level of similarity to the lost organ. Color should exhibit favorable stability, as a critical factor in the esthetic appearance of dental prostheses and materials used in fabricating prostheses. The present in vitro study was undertaken to evaluate color changes of three different brands of acrylic resin teeth in three different beverages.

Methods. In this in vitro study, 10 samples from each brand of acrylic resin tooth (Ivoclar, Italy; BStar, Iran; and BetaDent, Iran) were immersed in the following beverages for one week: tea, orange juice, natural carrot juice, and distilled water (control). The color parameters were measured using the spectrophotometry technique before and after immersion, and changes were calculated. The same procedures were carried out with the same number of samples at 30-day interval. Data were analyzed with multivariate ANOVA and post hoc Tukey tests.

Results. After seven days, Ivoclar and BStar brands exhibited the minimum (1.78) and maximum (3.39) color changes, respectively (P<0.05). At the 30-day interval, the Ivoclar and BetaDent brands exhibited the minimum (3.03) and maximum (4.27) color changes, respectively (P<0.05). At the 7-day interval, carrot juice, orange juice and tea, in descending order, caused the maximum and minimum color changes. At the 30-day interval, carrot juice resulted in maximum color changes (P<0.05); orange juice, and tea caused similar color changes (P>0.05).

Conclusion. Different beverages resulted in color changes with different patterns in different brands of acrylic resin teeth. Overall, the Ivoclar brand exhibited less color changes compared to BStar and BetaDent brands. In the first week, all the three brands and in 30 days, Ivoclar and BStar brands exhibited clinically acceptable color changes.

Keywords: Acrylic resin teeth, Color change, Ivoclar BetaDent, BStar
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Submitted: 05 Jul 2019
Revision: 05 Jul 2020
Accepted: 05 Jul 2020
ePublished: 21 Sep 2020
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