Introduction. Periodontitis is a group of inflammatory disorders affecting periodontal tissues. This condition manifests by a progressive destruction of the alveolar bone, subsequently leading to tooth loss. World Health Organization introduced Community Periodontal Index of Treatment Needs in order to gain data regarding periodontal health and treatment needs of people with periodontitisAim. To evaluate the periodontal status of citizens living in the city of Lublin and its surrounding, using Community Periodontal Index of Treatment Needs (CPITN).Material and methods. Community Periodontal Index of Treatment Needs was used to assess the periodontal status among 180 patients aged 35-44 residing in Lublin and the area around it.Results. Periodontal diseases have been observed in over 90% of the examined population. Treatment need index TN1 has referred to 26.11% of the patients, TN2 – 61.67% and TN3 – 2.22% respectively.Conclusions. Patients who visit the dentist regularly have a better periodontal status as compared to groups randomly selected.