Dental and oral health care is the primary role and authority of the Dental and Oral Therapist. This study aims to develop a dental and oral health care model for patients in the dental polyclinic of Raden Mattaher Hospital. This quantitative study used an applied research design to develop a model of dental and oral health care. Eleven dental nurses were involved as informants, and three dentists as key informants. This research was conducted at the dental polyclinic of the Jambi Provincial Hospital from March to November 2022. The data were obtained through interviews, focus group discussions (FGD), observations, and trials of the draft model of the patient's dental health examination. Furthermore, a trial of the dental health care model was carried out on people with a mental health conditions. The total score on the questionnaire results of the HELISIDI dental and oral health care model was 546, with a presentation of 76% based on the eligibility criteria. These results mean that the HELISIDI Model is eligible but with revisions. The total score for the HELISIDI dental and oral health care status card was 546, with a presentation of 87% based on the eligibility criteria. According to the respondent, the HELISIDI Status Card is eligible but with revisions. After revision, the model and the HELISIDI status card were declared eligible without further revision. The model of dental and oral health care for patients at the dental clinic of Raden Mattaher Hospital is suitable for mental patients.