Show err t J ri i. i tI y YOUR DENTAL I. I Q 0 American Dental Association AdoUn I i I would like to know how Q much pressure is used when ur teeth bite a piece of ot steak A. A Between 3 35 to 40 pounds of ot f force is required to chew tenderloin tent ten 16 beef beet steak 40 to GO pounds T to chew chuck beef beet steak and from Crom 60 GO to 80 pounds to chew the common common com com- mon boarding house or garden variety of ot beef beet steak The instrument instrument instrument ment used to measure the bite strength is known as a o nath om nam om nam er a bite strength men measure sure The force Corce of ot the bite or the pounds force with Which the jaws may be closed upon any object varies greatly among different different dif dil ferent persons The late Dr A A. A D D. Black reports that in a n tabulation of ot bite tests made by 1000 young adults the average force exerted was pounds on the molar teeth less on the bicuspids and incisors The average eight year old with I healthy teeth will exert about 35 pounds pressure with his first permanent permanent per per- manent molars the 12 year old 75 pounds 18 year ear old pounds and adults to pounds A considerable considerable considerable con con- number of ot young adults have registered as much as pounds r s. s tr Y tr I If Ir f r tr Good teeth arc are essential to good service In our armed forces They are arc equally an asset in civil life Toda Today that is doubly true for in every sense we e must be fit to fight I We Vc arc all in the service ser This is isDO no DO time to indulge the he luxury of ills iUs and especially ills caused by bad teeth that that can readily be remedied S Send nd questions with sell addressed sell stamped d envelope to American D Dental Association East Superior str street t. t Chicago III Ill I I f |