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Gender and age group modified association of dental health indicators with total occlusal force among Korean elders
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- Authors
- Issue Date
- 2021-11-08
- Publisher
- BMC
- Citation
- BMC Oral Health. 2021 Nov 08;21(1):571
- Keywords
- Occlusal force ; Dental health ; Natural teeth ; Rehabilitated teeth ; Elder
- Abstract
- Background
This study aimed to investigate the distribution of objective total occlusal force (TOF) and its association with dental health indicators: dental status, number of natural teeth (NT), natural and rehabilitated teeth, natural posterior teeth (NT-Post), and natural and rehabilitated posterior teeth among Korean elders after controlling for various confounders encompassing socio-demographic factors, behavioral factors and health/oral health factors.
Methods
This cross-sectional study recruited 551 elders from the Sungbook-Gu health education cohort. TOF was measured using Prescale II as an outcome variable. Dental health indicators assessed by dentists were the main explanatory variables. Analysis of covariance and multivariable linear regression models were applied to evaluate the adjusted association of dental health indicators with TOF. Gender and age group stratified analyses were also applied.
Result
TOF was higher in dentate elders than denture wearers in males and younger elders. The adjusted mean of TOF and standard error was 464.24 ± 17.15N for dentate elders, 297.15 ± 28.85N for partial denture wearers, 280.42 ± 47.71N for complete denture wearers. Among all dental health indicators, NT-Post showed the highest association with TOF (partial r = 0.330, p < 0.001, R2 = 0.15), followed by NT (partial r = 0.329, p < 0.001, R2 = 0.16). Older elders highlighted the association of NT (partial r = 0.37, p < 0.001, R2 = 0.18). Males decreased the association of NT (partial r = 0.30, p < 0.001, R2 = 0.20) and NT-Post (partial r = 0.29, p < 0.001, R2 = 0.20).
Conclusion
TOF was significantly associated with dental health indicators, and its association was modified by sex and age group.
- ISSN
- 1472-6831
- Language
- English
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