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Hard Foods (hard + food)

Distribution by Scientific Domains
Medical Sciences75%

Selected Abstracts

Association of dietary habits with symptoms of temporomandibular disorders in Bangladeshi adolescents

JOURNAL OF ORAL REHABILITATION, Issue 8 2004
R. Akhter
summary, The prevalences of signs and symptoms of temporomandibular disorder (TMD) in Bangladeshi adolescents and their associations with intake of various hard food items were investigated. A group of 1200 randomly selected high school students aged 12,17 years from three communities (rural, semi-urban and urban) completed a questionnaire on dietary habits and presence of TMD symptoms and were examined clinically. In bivariate analysis, no significant relationship was observed between TMD symptoms and eating of hard foods. However, in logistic regression analysis, clicking showed a significant correlation with consumption of hard vegetable and fruits more than three times per week (P < 0·05). A statistically significant correlation was also observed between consumption of all hard food items (at least one item in each of the four categories of hard food) more than 12 times per week and pain in the temporomandibular joint (TMJ) (P < 0·05). A positive association was found between pain in the TMJ and older age (15,17 years) (P < 0·001). The prevalence of pain in the TMJ was significantly higher in males (P < 0·01). Prevalences of clicking and pain in the TMJ were significantly higher in subjects living in a rural area than in subjects living in an urban area (P < 0·01 and P < 0·01, respectively). Subjects having one or more decayed, missing and filled teeth (DMFT) showed significantly higher prevalences of clicking (P < 0·01) and restricted mouth opening (P < 0·01). The results suggest that prevalence of TMD symptoms are related to prolonged consumption of hard food items. [source]

Connecting behaviour and performance: the evolution of biting behaviour and bite performance in bats

JOURNAL OF EVOLUTIONARY BIOLOGY, Issue 11 2009
S. E. SANTANA
Abstract Variation in behaviour, performance and ecology are traditionally associated with variation in morphology. A neglected part of this ecomorphological paradigm is the interaction between behaviour and performance, the ability to carry out tasks that impact fitness. Here we investigate the relationship between biting behaviour and performance (bite force) among 20 species of ecologically diverse bats. We studied the patterns of evolution of plasticity in biting behaviour and bite force, and reconstructed ancestral states for behaviour and its plasticity. Both behavioural and performance plasticity exhibited accelerating evolution over time, and periods of rapid evolution coincided with major dietary shifts from insect-feeding to plant-feeding. We found a significant, positive correlation between behavioural plasticity and bite force. Bats modulated their performance by changing their biting behaviour to maximize bite force when feeding on hard foods. The ancestor of phyllostomids was likely a generalist characterized by high behavioural plasticity, a condition that also evolved in specialized frugivores and potentially contributed to their diversification. [source]

Association of dietary habits with symptoms of temporomandibular disorders in Bangladeshi adolescents

JOURNAL OF ORAL REHABILITATION, Issue 8 2004
R. Akhter
summary, The prevalences of signs and symptoms of temporomandibular disorder (TMD) in Bangladeshi adolescents and their associations with intake of various hard food items were investigated. A group of 1200 randomly selected high school students aged 12,17 years from three communities (rural, semi-urban and urban) completed a questionnaire on dietary habits and presence of TMD symptoms and were examined clinically. In bivariate analysis, no significant relationship was observed between TMD symptoms and eating of hard foods. However, in logistic regression analysis, clicking showed a significant correlation with consumption of hard vegetable and fruits more than three times per week (P < 0·05). A statistically significant correlation was also observed between consumption of all hard food items (at least one item in each of the four categories of hard food) more than 12 times per week and pain in the temporomandibular joint (TMJ) (P < 0·05). A positive association was found between pain in the TMJ and older age (15,17 years) (P < 0·001). The prevalence of pain in the TMJ was significantly higher in males (P < 0·01). Prevalences of clicking and pain in the TMJ were significantly higher in subjects living in a rural area than in subjects living in an urban area (P < 0·01 and P < 0·01, respectively). Subjects having one or more decayed, missing and filled teeth (DMFT) showed significantly higher prevalences of clicking (P < 0·01) and restricted mouth opening (P < 0·01). The results suggest that prevalence of TMD symptoms are related to prolonged consumption of hard food items. [source]

The association between tooth loss and the self-reported intake of selected CVD-related nutrients and foods among US women

COMMUNITY DENTISTRY AND ORAL EPIDEMIOLOGY, Issue 3 2005
Hsin-Chia Hung
Abstract , Objectives:, Many studies have reported associations between oral health and cardiovascular diseases; poor nutritional status due to impaired dentition status has been suggested as a mediator. Our objective is to evaluate the associations between tooth loss and the self-reported consumption of fruits and vegetables and selected CVD-related nutrients. Methods:, A total of 83,104 US women who completed a food frequency questionnaire (FFQ) in 1990 and 1994 and reported number of natural teeth in 1992, were included in a cross-sectional analysis relating dietary intake to number of natural teeth. A longitudinal analysis was also conducted to evaluate whether tooth loss in 1990,1992 was associated with change in diet between 1990 and 1994. Results:, After adjusting for age, total calorie intake, smoking and physical activity, edentulous women appeared to have dietary intake associated with increased risk for CVD, including significantly higher intake of saturated fat, trans fat, cholesterol and vitamin B12, and lower intake of polyunsaturated fat, fiber, carotene, vitamin C, vitamin E, vitamin B6, folate, potassium, vegetables, fruits, and fruits excluding juices compared with women with 25,32 teeth. In the longitudinal analyses, women who lost more teeth were more likely to change their diet in ways that would potentially increase risk for development of CVD. They also tended to avoid hard foods, such as raw carrot, fresh apple or pear. Conclusions:, Women with fewer teeth have unhealthier diets such as decreased intake of fruits and vegetables, which could increase CVD risk. Diet may partially explain associations between oral health and cardiovascular disease. [source]