BackgroundAlthough the use of removable dentures can improve oral function and esthetics for elderly people, compared to those who do not wear removable dentures, those wearing removable dentures could have worse oral health related-quality of life (OHRQoL). Additional information is required to assess which factors related to denture wearing influence the OHRQoL of elderly individuals. The purpose of this study is to evaluate the association between denture wearing and OHRQoL in a sample of elderly individuals in Taiwan.MethodsThe study population included 277 elderly people wearing removable dentures (mean age = 76.0 years). Using face-to-face interviews, we collected data on the participants’ socio-demographic characteristics, dental care service usage (regular dental checkups, treatment during toothache, dental visits in the last year), and factors related to denture wearing (perceived oral pain, perceived loose denture, perceived oral ulcer, perceived halitosis, perceived dry mouth, and perceived total denture satisfaction scores). OHRQoL was measured using the Taiwanese version of the Geriatric Oral Health Assessment Index (GOHAI-T). The location and number of remaining natural teeth and the type of denture were also recorded. Hierarchical multiple regression analysis was performed using GOHAI-T scores as the dependent variable.ResultsAll the predictors together accounted for 50% of the variance in GOHAI-T scores. Further, education level, number of natural teeth, denture status, perceived loose denture, perceived oral ulcer, and perceived total denture satisfaction scores had statistically significant influences on OHRQoL. When compared with other variables, factors related to denture wearing, especially perceived total denture satisfaction scores, had the greatest impact on GOHAI-T scores.ConclusionsOf the factors analyzed in this study, denture satisfaction was the strongest predictor of OHRQoL. This suggests that denture satisfaction is useful for assessing the effect of denture treatment on the OHRQoL of elderly individuals wearing removable dentures.
For Taiwanese adults, 36.10% of CP cases were presumably attributable to toothbrushing frequency, mental illness, and smoking. These three factors should be the first priorities in establishing a preventive program to improve the periodontal health status.
Forty oral cancer patients identified consecutively in Changhua Christian Hospital between 1990 and 1992 were compared with 160 population-based controls, matched for sex, age, area of residence, and educational background. Betel quid chewing was positively associated with the risk of oral cancer with adjusted odds ratio of 58.4 (95% CI: 7.6-447.6). The greater the number of years of chewing betel quid, the higher the risk of oral cancer; the adjusted odds rations were 12.9, 93.7 and 397.5 for < 21, 21-40, and > 40 years of betel chewing as compared with the non-users. The risk also increased with the quantity chewed per day; the odds ratios for those chewing < 10, 10-20 and > 20 quids/day were 26.4, 51.2 and 275.6, respectively. These odds ratio estimates were all statistically significantly different from the null value of unity.
Evaluation of a self-assessed screening test for masticatory ability of Taiwanese older adultsObjectives: The aim of this study was to evaluate a screening test based on a food intake questionnaire to discriminate the masticatory ability of Taiwanese older adults with 20 and more natural teeth and at least 8 functional tooth units (FTUs) from the masticatory ability of those with fewer than 20 natural teeth and 8 FTUs. Materials and Methods: The subjects were 2244 patients (mean age, 60.4±10.0 years) recruited from 23 counties and cities in Taiwan. Information about their demographic data, dentition, and masticatory ability was collected. Masticatory ability was measured for 23 food groups comprising 35 common Taiwanese foods, and receiver operation characteristic curve analysis was performed.
Results:The results showed that the final questionnaire included 14 food groups and a subject choosing 'difficult to eat' responses for 4 and more of these food groups had the same masticatory ability as individuals with fewer than 20 natural teeth and 8 FTUs. Conclusion: In conclusion, foods that are the most difficult to eat are not necessarily good discriminatory indicators. Hence, the 14-food group questionnaire can be considered the best screening test for masticatory ability of Taiwanese older adults in terms of the presence of 20 and more natural teeth and at least 8 FTUs.
The purposes of this study were to (1) examine the relationship between the number of various types of healthy remaining natural teeth at different sites and self-rated chewing ability and (2) evaluate the relationship between the number of functional tooth units (FTUs), comprising functional natural teeth (FNT) or fixed prostheses, and self-rated chewing ability. A sample of 296 adults (122 men and 174 women), aged 45 years or older (average age, 56.6±9.7), were recruited from seven dental clinics in Kaohsiung City. Dental information on the number and status of remaining teeth was obtained through examination by trained and calibrated dentists. Self-assessment of chewing ability (masticatory score) was evaluated with a self-administered questionnaire. Results showed that increased age is associated with a greater likelihood of difficulty in chewing. To avoid chewing difficulty, at least 24.7 FNT, 13.3 posterior-FNT, 8.1 units of natural tooth-FTUs, or 9.6 units of fixed tooth-FTUs must remain. Age and the number of healthy remaining teeth, including natural teeth and fixed prostheses, are key factors in chewing ability. Given that aging is unavoidable, the preservation of healthy remaining teeth plays a relatively important role in the maintenance of chewing ability among middle-aged and elderly people.
Alzheimer disease (AD) is a neurodegenerative disorder and accounts for 60% to 80% of all dementias among the elderly. 1,2 The pathophysiology of AD has been associated with the extracellular deposition of amyloidb protein in brain tissues, resulting in disrupted synaptic connectivity and tau protein hyperphosphorylation, which in turn leads to intracellular neurofibrillary tangles. 2,3 The resultant pathophysiological changes cause neuronal loss and progressive atrophy of cortical areas (including hippocampus, entorhinal cortex, and amygdala). 4,5 The degree of impairment tends to deteriorate as AD progresses and is primarily expressed as reduced cognitive and physical abilities in daily activities. 6
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