Effect of Remineralizing Agents on Tooth Color After Home Bleaching

  • Mohammadreza Malekipour Department of Restorative and Cosmetic Dentistry, Dental School, Islamic Azad University, Isfahan (Khorasgan) Branch, Iran
  • Zahra Norouzi Department of Restorative and Cosmetic Dentistry, Dental School, Islamic Azad University, Isfahan (Khorasgan) Branch, Iran
  • Sahar Shahlaei Dentist, Private Practice, Kermanshah, Iran
Keywords: Tooth Bleaching, Tooth Remineralization, Spectrophotometer

Abstract

Objectives: The purpose was to investigate the effect of casein phosphopeptide-amorphous calcium phosphate fluoride (CPP-ACPF) paste, Remin Pro paste, and 0.05% sodium fluoride (NaF) mouthwash on teeth discoloration after home bleaching.

Materials and Methods: In this in-vitro study, 48 intact and unstained human incisors were divided into four groups (n=12): control (Group 1), CPP-ACPF paste (Group 2), Remin Pro paste (Group 3), and 0.05% NaF mouthwash (Group 4). The specimens were bleached using 20% carbamide peroxide gel for 21 days and were subjected to pH cycling and surface treatment with remineralizing agents for one month. The color of the specimens was determined according to the CIELAB color space at baseline, after bleaching, and after surface treatment. Data were analyzed using one-way analysis of variance (ANOVA), post-hoc least significant difference (LSD) test, and one-sample t-test (P=0.05).

Results: ANOVA showed a significant difference in the mean ΔE of the four groups after surface treatment (P<0.05). Post-hoc LSD test showed a significant difference between the mean ΔE of the control group and those of the treatment groups (P<0.05) with no significant difference between the treatment groups, except for Remin Pro. The mean ΔE and ΔL of the Remin Pro group showed less change than those of the CPP-ACPF and NaF groups, indicating that Remin Pro has the lowest potential for post-bleaching tooth discoloration.

Conclusion: CPP-ACPF paste, Remin Pro paste, and 0.05% NaF mouthwash cause noticeable teeth discoloration immediately after bleaching. Remin Pro has less effect on tooth color than the other two products.

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Published
2019-01-30
How to Cite
1.
Malekipour M, Norouzi Z, Shahlaei S. Effect of Remineralizing Agents on Tooth Color After Home Bleaching. Front Dent. 16(3):158-165.
Section
Original Article