Effect of bleaching on color and surface topography of teeth with enamel caries treated with resin infiltration (ICON®) and remineralization (casein phosphopeptide-amorphous calcium phosphate)

Shweta Elizabeth Jacob; Jebu Oommen Varghese; Surmayee Singh; Srikant Natarajan; Manuel Sebastian Thomas

doi:10.4103/jcd.jcd_129_23

Effect of bleaching on color and surface topography of teeth with enamel caries treated with resin infiltration (ICON^®) and remineralization (casein phosphopeptide-amorphous calcium phosphate)

J Conserv Dent Endod. 2023 Jul-Aug;26(4):377-382. doi: 10.4103/jcd.jcd_129_23. Epub 2023 Jul 28.

Authors

Shweta Elizabeth Jacob¹, Jebu Oommen Varghese², Surmayee Singh¹, Srikant Natarajan³, Manuel Sebastian Thomas¹

Affiliations

¹ Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.
² Mizpah Poly Dental Clinic, Adoor, Kerala, India.
³ Department of Oral Pathology, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Abstract

Background: Dental bleaching is not recommended on teeth with enamel caries.

Aim: The study aimed to assess the efficacy of in-office bleaching on demineralized enamel managed by resin infiltration (RI) as well as casein phosphopeptide-amorphous calcium phosphate (CPP-ACP).

Methodology: Forty-eight sound enamel specimens were divided into four groups based on the surface treatment performed before in-office bleaching. Group I consisted of no caries and no treatment (NT); Group II had artificial caries (AC) and NT; Group III had AC treated with RI, and Group IV had AC remineralized with CPP-ACP. Pre- and postbleaching teeth color and surface topography were evaluated using spectrophotometer and scanning electron microscope (SEM), respectively.

Statistical analysis used: One-way analysis of variance and Tukey's post hoc test were performed for inter-group comparisons.

Results: The color change postbleaching was the least in Group IV; and this was significantly less than Group I (P < 0.05) and Group II (P < 0.001). The bleaching efficiency in Group III was not significantly different from the control group. In addition, the enamel topographic changes were less in the surface-treated group.

Conclusion: RI can be considered a treatment modality for teeth with enamel caries requiring tooth whitening as the bleaching efficiency was like that of sound enamel.

Keywords: Dental caries; resin infiltration; tooth bleaching; tooth remineralization.