Show find fluoride in in water H helps ie alps build childs teeth most astounding of recent tre research work on dental disease has as been the stony of at the relation of t the h e ide content of public water sup PI 1 pines fluor to dental decay S since we lot several groups have hav e worked on this an angle ge of x the dental decay ab problem lem and recently the united st states P pub b lie he health service rep reported arted some amazing revelations from the re search by dr if Tren ciley dean an and d his associates fluorine is a gas whose various various salts sah known as fl flu ondes are im round at times time in the drinking water of certain communities doctors have known for many years that fluorides in drinking water cause a con condi d 1 tion of the teeth called endemic den n tal more ito popularly in mottled t er enamel ornel if the these floride flu ondes are present in over 10 1 0 par part t PC per million gallons gallon but what has not net been known is that the amount of dental decay in children who have been exposed to such drinking water throughout life oi is apparently much less in children bvm living g in communities where the w water a supply contains no fluorides flu ondes furthermore in where the fluoride content of water is b be t tween n 1 0 and n d 15 1 5 p parts E is per ou million g gallons a on th the children n not net only have a relatively small an amount I 1 t of d dental decay compared to children of other communities but mottled crewel enamel is el generally not an esthetic problem apparently teeth re require u re hest h traces est of f fluoride fo for r optimum dental 1 e nta I 1 he health h I 1 although excessive amoun amounts m may a re tac dation s suit in the disfiguring condition known as mottled enamel |