SUMMARY
The aim of the study was to investigate the effect of hyaluronic acid on improving the quality of life in patients with perimucositis. Material and methods. The patients were divided into three groups: Control group (20 patients) – professional oral hygiene, patients had plaque removed mechanically using special plastic curettes; Conditional control group (20 patients) – plaque removal using a device (Master Piezon EMS) and the patient using an antiseptic containing 0.05% chlorhexidine bigluconate; Main group (20 patients) – Plaque removal using a device (Master Piezon EMS) and the patient using a drug containing hyaluronic acid (Hy+Al Gel). Comparative methods of clinical examination (OHIP-14, Slade G.D. (1997)) were used to study the quality of life indicators in all three groups of patients before and after treatment (after 3 months). Analysis of the results obtained during the present studies showed that patients in the 1st, 2nd and 3rd groups noted a significant impairment of quality of life against the background of peri-implant diseases before the start of treatment and preventive measures. Results. After 3 months, the quality of life after the course of treatment remained significantly better, compared with the initial data and the data of the other two groups, after using the application of a preparation based on hyaluronic acid.
Keywords: perimucositis, risk factors, quality of life, OHIP-14, hyaluronic acid

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