Oral Health Status of Dementia Patients in Chiang Mai Neurological Hospital
Patcharawan Srisilapanan DDS, MS, PhD*, Chonwarin Jai-ua DDS, MPH**
Affiliation : * Department of Family and Community Dentistry, Faculty of Dentistry, Chiang Mai University, Chiang Mai, Thailand ** Chiang Mai Neurological Hospital, Chiang Mai, Thailand
Objective : Investigate the oral health of patients with dementia and examine the association between the type and severity
level of dementia on their dental caries status.
Material and Method: Cross-sectional study conducted on outpatients referred to the memory clinic. Clinical examinations
were based on WHO criteria. Socio-demographic data, functional ability, and dementia level were obtained from hospital
medical records. The Thai version of the Mini Mental State Examination (MMSE-Thai 2002) was used as a cognitive testing
instrument. The ability to perform oral care derived from an interview.
Results : Sixty-nine subjects were included in the present study. The mean age was 75.5 (7.0) years. Patients with Alzheimer’s
disease (AD) constituted the largest dementia group. More than half (60.9%), had dementia for less than two years and
were functionally independent (66.7%). The majority (56.5%) had moderately severe dementia. More than half (52.5%)
had at least 20 functional teeth. The mean number of teeth was 19.5 (8.4). Mean decayed, missing, and filled teeth (DMFT)
were 14.9 (9.2). More than half (54.7%) had periodontal disease (pocket depth ≥4 mm). Dementia severity was the only
characteristic which showed a significant difference in dental caries experience (p = 0.009).
Conclusion : Dementia patients who attended the memory clinic had considerably better oral status compared to the national
data. Dementia severity was the only characteristic that showed a significant difference in dental caries experience
Keywords : Oral health status, Dental caries, Dementia, Periodontal disease
