Association between frequency of oral and denture cleaning and personality in edentulous older adults

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Abstract

Aim:

The purpose of the present study was to clarify the relationship between the frequency of oral and denture cleaning and personality in edentulous older adults.

Methods:

Participants were 54 edentulous older adults using maxillary and mandibular complete dentures without any problems. A questionnaire was used to establish the frequency of mechanical oral cleaning and mechanical denture cleaning using a denture brush. A personality survey was carried out using a questionnaire based on Eysenck's questionnaire on factors of introversion/extroversion and emotional stability/instability. Stepwise logistic regression analyses were used to identify which characteristic factors were significantly associated with frequency of mechanical denture or oral cleaning after all participants were categorized into two groups by frequency of cleaning, in accordance with the criterion of the median.

Results:

The mean frequencies of mechanical oral and denture cleaning were 0.93 ± 1.18 times per day and 1.83 ± 1.19 times per day, respectively. Activity/inactivity, which was a factor relating to introversion/extroversion, was associated with frequency of oral cleaning (odds ratio 2.473, P = 0.001). Activity/inactivity, which was a factor relating to introversion/extroversion, and anaclisis/autonomy, which was a factor relating to emotional stability/instability, were associated with frequency of denture cleaning (odds ratio 1.310, P = 0.001; odds ratio 1.392, P = 0.011, respectively).

Conclusions:

The present study showed that personality including activity/inactivity and anaclisis/autonomy influence the frequency of oral and denture cleaning. These findings suggest the necessity of providing an effective method of oral health care based on each person's personality. Geriatr Gerontol Int 2015; 15: 1258–1263.

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