en Nursing Orginal research <span style="line-height:2;"><span style="font-size:14px;"><span style="font-family:Times New Roman;"><span style="unicode-bidi:embed"><span calibri=""><span style="color:#2980b9;"><b><i><span new="" roman="" times="">Background:</span></i></b></span> <span style="background:white"><span new="" roman="" times="">Oral health is a central aspect of overall health and well-being. However, people with psychiatric disorders are more vulnerable to oral health problems due to illness-related factors, limited access to dental care, and lifestyle habits</span></span><span new="" roman="" times="">. </span></span></span><br> <span style="unicode-bidi:embed"><span calibri=""><span style="color:#2980b9;"><b><i><span new="" roman="" times="">Objectives:</span></i></b></span><b> </b><span style="background:white"><span new="" roman="" times="">This study aimed to evaluate the dental health status in patients with psychiatric disorders</span></span><span new="" roman="" times="">.</span></span></span><br> <span new="" roman="" times=""><span style="color:#2980b9;"><b><i>Methods:</i></b></span><span style="color:black"> <span style="background:white">This cross-sectional study included all 80 patients with psychiatric disorders hospitalized at Razi Hospital in Tabriz, Iran in 2020. Sampling was done by census method. Data were collected using a researcher-developed questionnaire covering demographics, oral health behavior, and the Decayed, Missing, and Filled Teeth Index (DMFT). Information was obtained through interviews, a review of medical records, and dental examinations.</span> <span style="background:white">Data were analyzed using descriptive statistics, independent t-test and ANOVA in SPSS v.24 software</span>.</span></span><br> <span style="unicode-bidi:embed"><span calibri=""><span style="color:#2980b9;"><b><i><span new="" roman="" times="">Results:</span></i></b></span><span new="" roman="" times=""><span style="color:#000066;"> </span><span style="background:white">52.6% of participants were male. The mean (SD) age of the participants was 39.16 (9.42) years. Over half (53.8%) had low socioeconomic status and half were married. The mean (SD) DMFT was 10.96 (9.77). The results showed significant relationships between the frequency of dental visits, smoking, and the DMFT index (p < 0.05)</span>.</span></span></span><br> <span style="unicode-bidi:embed"><span calibri=""><span style="color:#2980b9;"><b><i><span new="" roman="" times="">Conclusion:</span></i></b></span><span new="" roman="" times=""><span style="color:#2980b9;"> </span><span style="background:white">The DMFT index in patients with psychiatric disorders was unfavorable. Support programs to promote self-care, oral health, smoking cessation, and regular dental visits are needed in this population</span>.</span></span></span><br> <span style="unicode-bidi:embed"><span calibri=""><span style="font-family:"Times New Roman","serif""></span></span></span><br> &nbsp;</span></span></span> Oral Health, Dental Health, Psychiatric Disorders, DMFT Index 29 35 http://nmcjournal.zums.ac.ir/browse.php?a_code=A-10-973-2&slc_lang=en&sid=1 Hossein Feizollahzadeh feizollahzadehh@tbzmed.ac.ir 100319475328460013722 100319475328460013722 No Department of Medical Surgical Nursing, Faculty of Nursing and Midwifery, Tabriz University of Medical Sciences, Tabriz, Iran Zhila Yousefi zhilayousefi21@yahoo.com 100319475328460013723 100319475328460013723 No Master degree in nursing, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran Seyyede Leila Sajjadi sajadi_leila@yahoo.com 100319475328460013724 100319475328460013724 No Master of Science, Medical Surgical Nursing Student, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran Esmail Khodadadi esmailkhodadadi11@gmail.com 100319475328460013725 100319475328460013725 Yes PhD in Nursing Education, Iranian Social Security Organization, Urmia, Iran