homes in Šibenik-Knin County. Study design: Cross-sectional research conducted in the territory of the Šibenik-Knin county. Participants and methods: The research used an anonymous survey questionnaire, requiring the respondents to sign an informed consent. The survey questionnaire comprised 32 closed questions along with suggested answers. The first group of questions described the basic habits of respondents. The second group posed questions related to oral hygiene habits, and the third group of questions sought personal reflections on oral health and prosthetic replacements. Results: The sample of respondents in this research consisted of 49 (48.5 %) men and 52 (51.5 %) women. Most respondents, 38 of them (37.6 %), are aged 70 to 79. Regarding the level of education of respondents, a larger percentage of the respondents, i.e., 49 (48.5 %), had only completed primary school. Regarding their financial status, 66 (65.3 %) respondents described their financial status as poor. Every day, 88 (87.1 %) respondents use medicines for treating chronic diseases. Most of the respondents stated that they brush their teeth once a day, i.e., 71 of them (70.3 %). Also, 48 respondents (47.5 %) said they usually brush their teeth for two minutes. Only 31 (30.7 %) respondents use dental floss, toothbrush and other additional means and products when maintaining oral hygiene. Moreover, 65 (64.4 %) of respondents said they never visit the dentist for check-ups. The results show that 57 (56.4 %) respondents noticed bleeding while brushing their teeth, and 74 (73.3 %) stated that they often experience dry mouth. In all, 64 (63.4 %) respondents wear a dental prosthesis. Conclusion: The research results show that oral hygiene habits are not at a satisfactory level among the residents of nursing homes in Šibenik-Knin County. Sociodemographic circumstances play a role in oral hygiene habits. The residents of nursing homes do not regularly visit their dentist for check-ups and are generally not satisfied with their oral health. The majority of respondents are satisfied with their dental prosthesis, especially those with a fixed job, and regularly clean their prosthesis.