On November 9, on the basis of the dental clinic of the NAO “MUS”, the Department of Dental Disciplines and CHLH organized and conducted a master class and a seminar with the participation of the chief physician of the author’s clinic of noninvasive dentistry – Volobuyeva Elena Vladimirovna. At the master class, the technique of teeth whitening with the help of remineralizing drugs was shown. The master class was attended by teachers of the department, doctors of practical healthcare and students. All participants were issued certificates and hygiene products for the prevention of dental diseases.[/vc_column_text]