Manual dexterity and dental biofilm accumulation in independent older adults without hand disabilities: A cross-sectional study
- Authors
- Shin, Na-Ri; Choi, Jun-Seon
- Issue Date
- Mar-2019
- Publisher
- ELSEVIER SCIENCE BV
- Keywords
- Manual dexterity; Mature dental biofilm; Quantitative light-induced fluorescence-digital
- Citation
- PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY, v.25, pp.74 - 83
- Journal Title
- PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY
- Volume
- 25
- Start Page
- 74
- End Page
- 83
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/1809
- DOI
- 10.1016/j.pdpdt.2018.11.007
- ISSN
- 1572-1000
- Abstract
- Background: This study investigated the relationship between manual dexterity and dental biofilm accumulation in independent older Koreans using Quantitative Light-Induced Fluorescence-Digital (QLF-D). Methods: This cross-sectional study included 44 participants recruited from senior welfare facilities in South Korea and aged >= 65 years. Participants were surveyed using face-to-face structured interviews; manual dexterity was assessed using the Box and Blocks Test. To evaluate dental biofilm accumulation, the 528 surfaces of six index teeth were imaged using QLF-D and then quantified into Simple Plaque Scores (SPS) and Delta R-20 values. The t-test and one-way analysis of variance were used to analyze differences in SPS and Delta R-20 according to general characteristics and manual dexterity. Results: Those who brushed their teeth <= 2 times per day had higher SPS and Delta R-20 values on the lingual surface of tooth #24 than those who brushed >= 3 times per day (p < 0.05). The low manual dexterity group had higher SPS on lingual surfaces of teeth #12, #24, and #32, as well as higher Delta R-20 values on the lingual surfaces of teeth #12, #24, #32, and #44 (p < 0.05) than the normal group. Conclusions: The low manual dexterity group had more dental biofilm-particularly on the lingual surfaces of teeth-and more mature biofilm than the normal group. These findings indicate that reduced manual dexterity could be a predictor of poor oral hygiene in independent older adults without hand disabilities. Therefore, we suggest manual dexterity be assessed in advance of dental biofilm assessment and tooth brushing instruction.
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