In this paper, the attention was paid to improper dietary habits and their influence on the non-carious lesions formation, especially teeth erosions. The factors predisposing for erosion development are mainly chemical ones. The most common cause is attributed to the frequent consumption of acidic products and beverages, especially fruit juices, carbonated drinks, such as Cola, as well as raw fruits, especially citrus. This condition mostly affects young people. The ongoing process of erosion can lead to significant, irreversible destruction of the hard dental tissues and result in teeth hypersensitivity to thermal, chemical and the mechanical stimuli. The acidic environment accelerates the damage of the teeth caused by mechanical factors, that is why dental hard tissue loss associated with erosion is almost always complicated by other forms of tooth wear such as abrasion, at¬trition and demastication. Therefore, it is viewed that necessary preventive measures should be undertaken to avoid the development of pathological processes mentioned above. The authors presented recommendations for the patients with risk of dental erosion occurrence.

Key words: diet, fruit juices, tooth erosion.