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Association between sour food and dental caries among Korean elders
한국 노인에서 신음식과 치아우식증의 연관성

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Authors
이강우
Advisor
김현덕
Major
치과대학 치의과학과
Issue Date
2014-08
Publisher
서울대학교 대학원
Keywords
sour fooddental carieseldersepidemiology
Description
학위논문 (석사)-- 서울대학교 대학원 : 치의과학과, 2014. 8. 김현덕.
Abstract
Aim:
Recently some reports suggested that acidic oral condition could draw bacterial death. However, the relationship between dietary acid and dental caries is not well established. Hence, this study aims to assess the relationship between sour food and dental caries in an elderly Korean population.

Methods:
A cross-sectional study was conducted using participants from Sunchang Longevity Cohort Study. The total number of final participants was 508 (175 males and 333 females
49 to 93 years old). Dental caries was determined by WHO criteria. Preference to sour food was assessed by interview using a questionnaire. Age, sex, income level, tooth brushing, dry mouth, obesity, sugary food, salty food, dairy food and spicy food were considered as confounders. Multivariable logistic regression analysis was applied to estimate the adjusted association. Stratified analysis by age, sex, income level, sugary food, obesity was also performed.

Results:
After adjusting for various confounders, the experience of low dental caries was highly associated with sour food (adjusted odds ratio [OR]=0.565, 95% confidence interval [CI]:0.380-0.840). The link was highlighted in elders aged 71 years or older (OR=0.425, 95% CI: 0.242-0.745), males (OR=0.252, 95% CI: 0.113-0.564), those without sweet preference (OR=0.427, 95% CI: 0.231-0.788) and non-denture wearers (OR=0.439, 95% CI: 0.230-0.837).

Conclusions:
Our data showed that the preference to sour food was independently associated with low dental caries experience among Korean elders. The link was highlighted in elders aged 71 years or older, males, non-denture wearers and those without sweet preference. Further studies are needed to clarify the causality and mechanisms of this link.
Language
English
URI
https://hdl.handle.net/10371/131145
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dental Science(치의과학과)Theses (Master's Degree_치의과학과)
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