The relevance of the work is confirmed by the statistics of drug circulation risks and medical errors in dentistry. A multidisciplinary study was conducted through an organizational and economic, forensic and pharmaceutical, criminal and legal, forensic and medical study of the risks of drug circulation and their side effects due to the provision of dental care on the basis of pharmaceutical and medical law. Taking into account the experience of the countries of the world, the risks of circulation of drugs of clinical and pharmacological, classification and legal, nomenclature and legal groups in dentistry have been studied. Medical errors in dental practice with fatal cases are summarized. The consequences of low-quality dental care were given: deterioration of the patient's health; the development of complications (a sharp increase in temperature, worsening of breathing, dizziness, weakness, loss of consciousness, jaw pain, etc.). Cases of urgent invitation of emergency medical aid doctors to transport a patient to the intensive care unit due to medical errors and the use of low-quality drugs were noted. Forensic and pharmaceutical practice in dentistry with violation of criminal proceedings, recovery of material damages for the benefit of patients is described. Peculiarities of dentistry in children are given. Further research is ongoing.