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The Relationship among the Number of Teeth, Salivary Flow Rate, Oral Health-Related Quality of Life, and Depression in the Elderly Population in Korea

 JooHee Lee  ;  Hyo-Jung Jung  ;  Yong-Guang Min  ;  Hyung-Joon Ahn 
 Journal of Oral Medicine and Pain, Vol.46(4) : 131-135, 2021-12 
Journal Title
Journal of Oral Medicine and Pain
Issue Date
Aged ; Depression ; Quality of life ; Saliva ; Tooth
Purpose: Depression is a condition that weakens psychosocial functioning and reduces qual ity of life. In Korea, the prevalence of depression among the elderly is 29.2% and depression
is a considerable public health concern for the elderly. Depression has a statistically signifi cant relationship with oral conditions such as number of teeth and salivary flow rate. Oral
health-related quality of life (OHRQoL) is the concept including subjective evaluations of
psychological, physical and social aspects of oral health. Tooth loss and hyposalivation can
affect mental health and quality of life. Our study was designed to identify the relationship
among the number of teeth, salivation, OHRQoL, and depressive symptoms in the elderly in
Methods: We recruited 100 participants, aged over 65 years, and assessed their number of
teeth, unstimulated salivary flow rate. All participants filled out oral health impact profile
14 (OHIP-14) and Zung self-rating depression score (SDS) for checking OHRQoL and depres sive symptoms. Statistical analysis was done by R program.
Results: We found that the positive relationship between OHIP-14 and SDS after Mann–
Whitney test (p=0.03). The lower SDS group had an OHIP-14 median score of 4. On the
other hand, the higher SDS group had a median value of 7.5. The other factors (number of
teeth and salivary flow rate) did not show correlations with OHIP-14 or SDS.
Conclusions: OHRQoL and depressive symptoms have significant correlation.
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Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Orofacial Pain and Oral Medicine (구강내과학교실) > 1. Journal Papers
Yonsei Authors
Ahn, Hyoung Joon(안형준)
Lee, Joo-Hee(이주희)
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