Improvement of surgical methods of treatment of patients with malignant neoplasm of the oropharyngeal region increased the number of positive prognoses for the rehabilitation of patients with surgical defects. However, prosthetic care presents great difficulties for this patients because of complications during antitumor treatment. The treatment of malignant neoplasm leads to temporary and permanent lockjaws besides the disturbance of breath, swallowing, speech. Optimization of existing stages of prosthesis fabrication is necessary to improve the effectiveness of prosthetic care for patients with malignant neoplasm of the oropharyngeal region.

The aim of the study is to optimize the routine work of a dentist to control the quality of photocomposite restorations of the frontal group of teeth. Materials and methods. 30 people with violation of aesthetics of hard tissues of the anterior group of vital teeth (n = 166) were examined and treated. The quality of the produced restorations was assessed according to the generally accepted Ryge criteria by the classical method and using the “Intraoral optical microscope” [1] immediately after the restoration, 6 and 12 months later. Results and discussion. There were no significant differences in the stability of restorations according to the Ryge criteria when using foreign and domestic composites (p > 0.05). After 6 months, color stability, edge fit and roughness decreased in both cases (p > 0.05). When comparing the restorations immediately after the filling, 6 and 12 months after the Ryge criteria by the classical method of quality assessment and using the “Intraoral optical microscope”, statistically significant (p < 0.05) differences were found in terms of “edge adaptation”, “secondary caries”, “surface roughness”, “change in the color of the edges of the cavity”; at the same time, such criteria as “color matching” and “preservation of anatomical shape” when using both methods had minor differences. Summary. Stability in the quality of the restorations according to the criteria Ryge both photocomposite materials (Estelux NK and Filtek Z550), no significant differences were found. Therefore, the domestic material Estelux NK, taking into account its financial availability can be recommended as a composite of choice in aesthetic dental rehabilitation. To control the results of treatment with the use of restoration photocomposites, it is possible to recommend the generally recognized Ryge criteria with the use of an “Intraoral optical microscope” due to greater objectivity and simplicity in application.