The aim - to study the efficiency of correction of hard tooth tissues discoloration. The study was conducted on 135 patients with tooth discoloration. Clinical - complex examination of patients with determination of hard tooth tissues color (Vіta scale), indexes of individual oral hygiene, intensity and prevalence of gums inflammation for the study of efficiency of the applied medical and preventive complexes of correction of hard tooth tissues discoloration depending on a clinical situation; statistical - for determination of authenticity of differences of the results. Patients of O-1 group, who used abrasive bleaching toothpastes, during the initial examination, had a poor oral hygiene. In patients O-2 group, who used peroxide containing bleaching toothpastes, during examination of 420 teeth hard tooth tissues discoloration were noted in 187 (44.53%) patients teeth. Patients O-3 group, who used enzyme containing bleaching toothpastes, during the initial examination had hard tooth tissues discoloration in 198 (47.14%) tooth. The proposed algorithms for whitening with usage of oral hygiene facilities tested positive. However, obtained in the long-term observation results showed that the most pronounced bleaching effect with enzyme containing toothpaste. Studies had shown the most pronounced efficacy of enzyme containing whitening toothpaste in the complex treatment and prevention of correction of hard tooth tissues discoloration compared to other whitening toothpastes.