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Use of Resin Infiltrant to Prevent Discoloration after Teeth Whitening

  • Min, Ji-Hyun (Department of Dental Hygiene, College of Medical and Health Sciences, Cheongju University)
  • Received : 2022.08.24
  • Accepted : 2022.09.15
  • Published : 2022.09.30

Abstract

Background: This study attempted to apply resin infiltrant (RI) as a method to maintain the effect of tooth bleaching treatment and compared it with fluoride varnish (FV) or artificial saliva to evaluate the effect. Methods: Sixty healthy lozenge specimens were classified into five groups. Group 1 was the negative control group, and discoloration was induced after artificial saliva treatment of the tooth specimen (G1S+C). Group 2 was a positive control group, in which pigmentation was induced after bleaching treatment and artificial saliva treatment (G2 B+S+C). Coloration was induced in group 3 (experimental group 1) after bleaching treatment and artificial saliva treatment, followed by application of fluorine varnish (G3B+FV+S+C). Coloration was induced in Group 4 (experimental group 2) after applying RI after bleaching treatment and artificial saliva treatment (G4B+RI+S+C). Pigmentation was induced in group 5 (experimental group 3) after bleaching treatment and artificial saliva treatment, followed by acid treatment (etching) and treatment with RI (G5B+E+RI+S+C). Coffee and wine were used to induce discoloration. The lightness value (L*) of the CIE L*a*b* color system was obtained by image analysis. Kruskal-Wallis H analysis was performed for the mean difference in L* values by group. Results: When coloration was induced with coffee, there was no significant difference in L* value between artificial saliva (G2 B+S+C), FV (G3B+FV+S+C), and RI (G4B+RI+S+C, G5B+E+RI+S+C) groups. There was no significant difference in L* values between the artificial saliva (G2 B+S+C), FV (G3B+FV+S+C), and RI (G4B+RI+S+C, G5B+E+RI+S+C) groups, even in the case of wine induced coloration. Conclusion: It was confirmed that artificial saliva or RI treatment had similar effects to the FV previously used to maintain the effect of tooth bleaching treatment.

Keywords

Acknowledgement

This work was supported by the research grant of Research Institute of Health & Medical Sciences at Cheongju University (March 1, 2021 - February 28, 2023).

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