Journal of dental hygiene science (치위생과학회지)

The Korean Society of Dental Hygiene Science (한국치위생과학회)
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The Relationship between Dementia and Oral Health in Some Elderly in Daejeon

대전 일부 노인의 치매와 구강건강의 관계

  • Go, Hye-Bin (Department of Dental Hygiene, College of Medical Science, Konyang University) ;
  • Kim, Min-Gyeong (Department of Dental Hygiene, College of Medical Science, Konyang University) ;
  • Kim, Jin-Young (Department of Dental Hygiene, College of Medical Science, Konyang University) ;
  • Kim, Hyun-Soo (Department of Dental Hygiene, College of Medical Science, Konyang University) ;
  • Park, Young-Seo (Department of Dental Hygiene, College of Medical Science, Konyang University) ;
  • Seo, Seung-Hyeon (Department of Dental Hygiene, College of Medical Science, Konyang University) ;
  • Hwang, Soo-Jeong (Department of Dental Hygiene, College of Medical Science, Konyang University)
  • 고혜빈 (건양대학교 의과학대학 치위생학과) ;
  • 김민경 (건양대학교 의과학대학 치위생학과) ;
  • 김진영 (건양대학교 의과학대학 치위생학과) ;
  • 김현수 (건양대학교 의과학대학 치위생학과) ;
  • 박영서 (건양대학교 의과학대학 치위생학과) ;
  • 서승현 (건양대학교 의과학대학 치위생학과) ;
  • 황수정 (건양대학교 의과학대학 치위생학과)
  • Received : 2016.10.20
  • Accepted : 2016.11.26
  • Published : 2016.12.31
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Abstract

The elderly population with dementia is rapidly growing in South Korea. The aim of this study was to investigate the relationship between dementia and oral health in 197 subjects aged ${\geq}65$ years. The questionnaire included questions on subjective health status, subjective health concern, subjective oral health status and behavior, mastication ability, Oral Health Impact Profile-14 (OHIP-14), and Korean Dementia Screening Questionnaires (KDSQ). Oral examination was conducted by a single dentist to evaluate upper or lower denture use, and determine the numbers of remaining and functioning teeth, including implant and fixed prosthesis. The subjects who required a dementia test (KDSQ-C [cognition] of ${\geq}6$) had significant differences in systemic disease prevalence rate, subjective health status, subjective health concern, KDSQ-V (vascular disease) score, KDSQ-D (depression) score, subjective oral treatment need, key food mastication ability and OHIP-14 score compared to the healthy subjects. The proportion of denture wearers, total remaining teeth, total functioning teeth, toothbrushing frequency, oral pain severity, symptoms of periodontal disease, subjective oral health status, and subjective oral health concern showed no significant differences between the two groups. KDSQ-C and OHIP-14 scores showed a strong positive relationship, while KDSQ-C score and total remaining teeth or key food mastication ability showed a weak negative relationship. In the multiple regression analysis, the KDSQ-D, KDSQ-V, and OHIP-14 scores influenced the KDSQ-C scores. We suggest a relationship between oral health and cognitive impairment.

본 연구는 단면조사로 노인의 구강건강과 치매의 관계를 알아보고자 편의추출된 65세 이상 노인 197명을 대상으로 주관적 건강, 주관적 구강건강 및 관리, 핵심음식 저작능력, OHIP-14, KDSQ를 설문조사하고 구강검사를 실시하여 의치장착여부, 총 잔존치아수, 임플란트와 고정식보철물을 포함한 총 기능치아수를 조사하였다. 그 결과, KDSQ-C가 6점 이상인 치매검사 요구군에서 전신질환 유병률이 높았고, 주관적 건강상태에 부정적 응답 비율이 높았으며, 건강에 대한 염려가 많았고, KDSQ-V와 KDSQ-D도 유의하게 높았다. 정상군과 치매검사 요구군 간의 틀니장착자율, 총 잔존치아수, 총 기능치아수, 1일 칫솔질 횟수, 치아 통증 정도, 치주질환에 대한 주관적 증상정도, 주관적 구강건강상태, 주관적 구강건강염려의 차이는 없었다. 그러나, 치매검사 요구군이 주관적 치과치료 필요도가 높고 구강건강관련 삶의 질 제한정도가 높고 핵심음식 저작능력은 낮았으며 특히 딱딱한 음식군을 저작하기 어렵하고 하였다. KDSQ-C는 OHIP-14와 강한 양의 상관관계를 가지고 핵심음식 저작능력, 총 잔존치아수와는 약한 음의 관계를 가지고 있었다. 다중회귀분석에서는 KDSQ-D, KDSQ-V, OHIP-14 순으로 KDSQ-C에 영향을 미치는 것으로 나타났다. 따라서, 인지능력에 구강건강이 전신건강에 비해 미치는 영향력이 크지는 않지만 구강건강 또한 인지능력과 일부 관계할 수 있으며 인과관계를 분석하기 위해서는 더 정교한 역학연구가 필요할 것으로 제안한다.

Keywords

References

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