Evaluation of color changes of white spot lesions treated with three different treatment approaches: an in-vitro study

• Main Authors: Shaza M. Hammad (Author), Noha A. El-Wassefy (Author), Mohamed A. Alsayed (Author)
• Format: Book
• Published: Dental Press Editora, 2020-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.
• Notes: 2177-6709; 10.1590/2177-6709.25.1.27.e1-7.onl
• Keywords: White spot lesions; Resin infiltration; Nano-hydroxyapatite; Microabrasion; Dentistry; RK1-715
• Source: Dental Press Journal of Orthodontics, Vol 25, Iss 1, Pp 26-27 (2020)

ABSTRACT Objective: To qualitatively and quantitatively assess the color changes effect and the color stability of the resin infiltrant on white spot lesions (WSLs), in comparison with nano-hydroxyapatite (nano-HA) toothpaste and microabrasion. Methods: WSLs were artificially created on sixty human premolars enamel surfaces and randomly assigned to equal four groups (n = 15 each): nano-HA toothpaste, microabrasion (Opalusture), resin infiltrant (Icon) treatment, or artificial saliva (control group). The color change (ΔE) of each specimen was measured by dental spectrophotometer (Vita Easyshade) at different time points: baseline, after WSLs' creation, after application of treatments, one month, three and six months after treatments application. Results: The ΔE value did not differ significantly for the four groups at baseline measurement before treatment (p> 0.05). Icon resin infiltrant improved the color of WSLs significantly immediately after its application, giving the lowest ΔE value (3.00 ± 0.59), when compared to other treatments (p< 0.001). There were no significant changes in ΔE (p> 0.05) for all groups during the follow up intervals (one month, three and six months after treatments application). Conclusion: Resin infiltrant can improve the color of WSLs and restore the natural appearance of enamel better than nano-HA toothpaste and microabrasion.