The importance of the education of teeth in the classroom:Relationship between occlusal force and bone mass

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We examinedr elationshipb etweeno cclusalf orce (OF) andb one mass. A n occlusal-forcem eter (GM 10, Nagano Keiki, Japan) was employed for measurement of OF. Calcaneal bone density was measured by using bonedensitometers(AOS 100, ALOKA, J apan) Physicalc haracteristicws ere also evaluateda nd were comparedw ith OF. We obtainedf ollowingr esults. 1) Grip strengtho f the large LBM (lean body mass) group (the average LBM; 45. Okg, t he averagea ge; 22.5yrs) was significantlyh igher than that of the low LBM group ( the averageL BM; 34.9kg, the average age; 20. lyrs). 2) Boned ensity of the large LBM group was significantlyh ighert han that of the low LBM. 3) Grip strengtho f the large OF groupw as significantlyla rgert hant hat of the low OF. Thoughw e consideredt hat high OF had beneficiale ffect for high muscularo utput, we also confirmedt hat such phenomenonw as n ot alwaysi n the case. 4) The averageb oned ensityo f the large OF groupw as significantlylo wert han that of the low OF group. 5) Energy expenditure estimated with time study significantly correlated with that estimated with pedometor analysis. Valueso btainedw ith time study were4 00kcal higherin the averaget han that by pedometor analysis.
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