Introduction. Dental syndrome in patients with gastroesophageal reflux disease is accompanied by damage to the soft tissues of the oral cavity, pathology of the periodontal tissues and hard tissues of the teeth with the development of tooth enamel erosion, caries and its complications, which lead to tooth loss and the appearance of dentition defects. A significant number of such patients require orthopedic treatment. The issue of studying the harmful effects of dental metal alloys of dental prostheses on the body of patients with general somatic pathology is still relevant and is extremely important in the medical and social spheres. Goal. Assessment of the dental status of 119 patients aged 25–65 with gastroesophageal reflux disease. Research methods. Survey, primary examination, evaluation of oral hygiene, condition of hard tissues of teeth and periodontal tissues, pH-metry of mixed saliva. The results. The hygienic status, the condition of the hard tissues of the teeth and periodontal tissues in patients with the erosive form of GERD was significantly worse compared to patients with the non-erosive form, and the available strain-soldered and metal structures, especially with a violation of their integrity, further worsened the oral hygiene of the patients both experimental groups. Conclusions. The study of the features of the lesions of the oral cavity in patients with GBD will allow us to identify certain patterns that will allow us to carry out correct diagnostic and treatment measures. Key words: gastroesophageal reflux disease, dental examination, defects of teeth and dental rows.