Safety management in psychiatric medical care includes issues of suicide, self-injurious behavior, accidents, medication errors, escape from the hospital, and unauthorized overnight stays. Additionally, preventing asphyxia is a challenge in the dementia ward of our hospital. Dentists have conducted intraoral examinations and evaluation of ingestion/swallowing function in patients, and have performed dental interventions. As a result of the safety management by the team medical care, the ward maintains 0 asphyxia. Therefore, the oral function and dental intervention of recent patients for higher safety management will be present. The subjects were 229 hospitalized patients in the dementia ward between April 2014 and December 2016. Using the medical records, age, sex, primary disease, oral function, and details of dental intervention were extracted. The subjects were aged 59–99 years, and the ratio of men to women was 10:13. Alzheimer type dementia was the most common disease, accounting for 60% of the total. There were 66% of the all patient who needed oral hygiene control and were able to intervene. The patients who did not have occlusal support in molars accounted for 47% of the total. Seventeen of the 80 patients who needed dental treatment were difficult to be treated. The types of dental treatment were denture adjustment / repair, denture construction, conservative treatment, and teeth extraction under intravenous sedation. Extraction was performed for prevention of accidental biting, ingestion, and aspiration. The examining the background of patients who experienced difficulties with dental intervention may lead to improved safety management in future.
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