Abstract
Subject. Teeth whitening is an actual direction of aesthetic dentistry, since in the life of a modern person, the oral cavity is exposed daily to various dyes due to the consumption of products, resins and harmful substances released during smoking, etc. A study was conducted on the properties and effectiveness of toothpaste with a whitening effect based on silicon dioxide, calcium pyrophosphates and tetracalium, regulating acid-base balance, as well as extracts of medicinal plants. 
 Objectives. The aim of the study was to evaluate the clinical effectiveness of whitening toothpaste as the main means of oral hygiene. 
 Methodology. 40 middle-aged patients without concomitant pathology were examined. All participants used standard toothbrushes and this toothpaste, and were also trained in standard rules of personal oral hygiene. The clinical properties of whitening toothpaste were studied: cleansing, anti-inflammatory, hemostatic, desensitizing, deodorizing, remineralizing and especially whitening effect. Hygienic (Green–Vermillion index OHI-S), periodontological (PMA and SBI indices) indices were used, tooth sensitivity (index of intensity of dental hyperesthesia (IIGZ) Shtorina G.B. (1986)), color characteristics of hard tissues on the Vita scale were studied. The results were evaluated 4 times in three visits during the month. In the first visit before and after individual oral hygiene, in subsequent visits – before the beginning of hygiene procedures.
 Results. The pronounced cleansing effect is confirmed by the positive dynamics of the hygienic index OHI-S. A sufficiently high bleaching effect was revealed. The desensitive effect of whitening toothpaste is evaluated ambiguously and is of an individual nature. There is a positive dynamics of the state of periodontal tissues, manifested by a decrease in the indicators of the PMA and SBI index. According to the results of the questionnaire, the subjects noted a long and moderate deodorizing effect of the paste.
 Conclusion. The complex effect of whitening toothpaste on the condition of the oral cavity meets modern requirements for a hygienic product.
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