As part of research project translation and validation of Oral Health Impact Profile (OHIP) quality of life questionnaire has been administered. 25 patients have been interviewed (8 men and 17 women), the average age was 40+/-8 years, with evidence of chronic generalized periodontitis. The clinical picture of the disease development in those patients was common. All patients perceived questions of the pilot questionnaire version correctly. The relations between the quality of life and the sex of patients, social status and other factors have been found statistically significant.