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Background: Onset of fever is a common presentation of symptoms in older adults. Loss of posterior teeth occlusion provokes dysphagia, which is commonly related to infectious diseases of the respiratory tract. However, a correlation between posterior teeth occlusion and the onset of fever has not been studied. The aim of the present study was to investigate whether posterior teeth occlusion is correlated with the onset of fever in residents of aged person welfare facilities.Methods: This perspective cohort study was carried out from February 2019 to December 2019 in Kitakyushu, Japan. The follow-up period was 8 months. Overall, 141 residents aged ≥ 65 years from 10 aged person welfare facility were included. Dates when the body temperatures of participants were more than 37.2°C were recorded. Posterior teeth occlusion was evaluated by assessing functional tooth units (FTUs).Results: Data from 100 participants [median age, 89 (67-102)] were used for analysis. Total of 53 participants got a fever. The Kaplan-Meier analysis showed that the average period until onset of fever in participants with scores 0, 1-11 and 12 for FTU was 7.7 ± 0.6, 7.4 ± 1.0 and 3.9 ± 1.0, respectively. Cox's proportional hazards regression model revealed that participants with FTU = 0 were at higher risk of fever compared with those with FTU = 12 (hazards ratio: 3.2, 95% confidence interval: 1.4-7.7), adjusted for possible confounders.Conclusions: Posterior teeth occlusion correlated with the risk of fever in older residents of nursing homes. [ABSTRACT FROM AUTHOR]

Objective: In order to adequately care for patients with dementia, it is necessary for dental hygienists to develop unprejudiced attitudes towards and obtain sufficient knowledge of dementia. The aim of this study was to assess attitudes towards and knowledge of dementia among Japanese dental hygiene students and identify related factors to the attitude and the knowledge. We compared the attitude and the knowledge between dental hygiene students and practising dental hygienists.Background: Dental hygienists are required to care for patients with dementia by developing appropriate attitudes towards dementia and gaining knowledge of dementia.Material and Methods: Between May 2016 and July 2016, 191 third-grade dental hygiene students and 64 registered dental hygienists were surveyed. We modified questionnaires to assess attitudes towards and knowledge of dementia. Ageism was assessed using the Fraboni Ageism scale. To determine potential dementia awareness factors, information regarding participants' experiences with dementia was collected.Results: Factor analysis revealed four factors in the attitude scale (Cronbach's α, 0.652-0.820). All item-total correlation coefficients for the knowledge scale were above 0.3, and Cronbach's α was 0.827. All awareness factors for dementia were significantly different between students and registered dental hygienists. Total scores of attitude and knowledge were higher among registered dental hygienists, indicating better attitude and knowledge, but total scores of ageism were lower among registered dental hygienists, indicating worse ageism. Multiple regression analysis revealed that the attitudes towards dementia correlated with years of experience, ageism, interest in dementia and desire to work with patients with dementia.Conclusion: Registered dental hygienists had more positive and more knowledge compared to dental hygiene students. Attitudes towards dementia, but not knowledge of dementia, were significantly positively correlated with ageism. [ABSTRACT FROM AUTHOR]