Deglutition disorders are one of the main problems of patients with multiple sclerosis. Education and implementation of oral and dental care for these individuals can be effective in reducing the complications of deglutition disorders, such as pneumonia and aspiration. The present study was conducted to determine the effect of implementing oral and dental care on swallowing disorders in patients with multiple sclerosis. This study was a single-group quasi-experimental study before and after the intervention. 25 patients with multiple sclerosis who met the inclusion criteria were selected from among the patients using a convenient sampling method and entered the study. The Dysphagia Problems in Multiple Sclerosis (DYMUS) questionnaire was completed to assess the Deglutition disorders of the clients before and after the intervention. The comparison of the results was examined using SPSS-v23 statistical software. The average age of the participants was 41 years. According to the findings, the number of patients with swallowing disorders was 20 before the intervention, which decreased to 7 after the intervention. In addition, the average scores of dysphagia problems according to the DYMUS questionnaire before the intervention were 4.52, which decreased to 1.88 after the intervention, which was significant according to the paired t-test (P < 0.001). According to the results of the study, the implementation of oral and dental care intervention can be effective on swallowing disorders in patients with multiple sclerosis; and help improve the quality of care for these clients in rehabilitation hospitals.
