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Color Stability of Self-Cured Temporary Crown Resin according to Different Surface Treatments
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  • Journal title : Journal of dental hygiene science
  • Volume 16, Issue 2,  2016, pp.150-156
  • Publisher : the Korean Society of Dental Hygiene science
  • DOI : 10.17135/jdhs.2016.16.2.150
 Title & Authors
Color Stability of Self-Cured Temporary Crown Resin according to Different Surface Treatments
Park, Ji-Won; Bae, Sung-Suk;
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In this study, the surface treatment of a self-cured temporary crown was polished using a denture bur, silicone bur, or pumice. The color stability of the temporary crown resin specimen was evaluated by immersing it in coffee, and cola, wine, beer, red pepper paste, or soybean paste. Two-hundred eighty-five identical resin specimens with six types of staining solution and three types of surface treatment were placed in a shaking incubator at . The degree of discoloration was observed using a time-lapse recording of days 1, 5, and 7. , , and were measured using a spectrophotometer, which shows the quantitative value of discoloration, and statistically processed after calculating . The results show that as time passed, all the specimens showed a color change (p<0.001). The amount of color change was the greatest in in crowns with denture bur polishing on the day 1, 5, and 7. As the precipitation time increased, the value was also increased. Of the specimens immersed on day 1, the greatest color change in crowns polished with denture bur was observed in those immersed in red pepper paste, while the smallest color change was observed in those immersed in cola. On days 5 and 7, the greatest color change in crowns polished with denture bur was observed in those immersed in red wine. Crowns polished with silicone bur and immersed in soybean paste exhibited the smallest color change. Based on the results, compared to pumice polishing, silicone bur polishing results in better color stability, saves time and money, and is recommended for patients with temporary crowns.
Color stability;Self-cured temporary crown resin;Surface treatment;
 Cited by
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