Carbohydrates should supply 60 to ‘75 per cent of the total food. Fat should supply JO to 30 per cent of the lotal food. Phosphorus is required in amounts of 0.2;) to 0.5 gm. daily. ~alciiun is required in amounts of’ 0.5 lo J .O mg. tlaily. Iron is required in amounts of 7 to 10 gin. daily. Vitamins are atlequatcly furnished by 30 gm. orange juice a.nd 8 gm. cod liver oil. After the consideration of basic food elements and t.heir utilization in a, balanced diet, we must further concede the fact that, each child is an individual. And while we know which diet will generally produce normal bone growt.h, we do not know what constitutes norma,l bone growth in an individual child. Phenomena of endocrinolog>T and of metabolism have to be taken in account. As an exa,mple, a child with delayed drntition was studied. The child was placed on a balanced diet, including vitamins and dicalcium phosphate. HLI~ because it was an individual child, t,hc eruption was not accelerated until a little iodine was added to stimulat,e the deficient. a&ion of the thyroid. For this reason, WC should not think of diet and bone development in terms of so much salts, proteins. and vitamins, but we should recognize t,he interrela tionship of all factors dealing with absorption. dist,ribution, and utilization. Not all of these factors are thoroughly understood. This is the explanation of why children receiving adeyua,te amounts of mineral salts may have faulty bone development. Insufficient sunlight, excess of fats, dysfunctioning para- thyroids, chronic infections. or something not so evident! may be to blame. It would, for instance, be interesting to determine how many children present faulty bone growth not because of an inadequate supply of mineral. salts, but. let us say, because of an abnormal protein metabolism. -43. ,v. Fisher’s Orthodontic Directory of the World. Edit,ed by Dr. (.‘laude lt. Wood: Knoxville, Tenn., 1934. After an interval of two years the nrthodont,ic directory has again been published. now named in honor of its founder, Dr. William C’. Fisher. Tt contains a, list of all practicing orthodontists in the United States and in foreign countries. The listing includes : name, address, year of gradtmtion from drmal school, postgraduate orthodontic school attended and year of graduation, membership it1 orthodontic societies, statement whether practice is limited to orthodontia. It. is gratifying t,o know t,hat this valuable publication is to be continued. In present times the tendency of people to change their place of residence is pronounced. Invariably, a patient, when leaving US for another city, asks for a recommendation. Jt is at snch a t,ime that the orthodontic directory comes in handy. If the recommended orthodontist is not personally known t,o us? his postgraduate training will give us a cert,ain amount of information regard- ing the methods which he uses. In t,his way, an orthodontist may be selected who will carry on our plan of t,reatment, more or less unchanged. ---E. N,

Fisher's orthodontic directory of the world: Edited by Dr. Claude R. Wood, Knoxville, Tenn., 1934

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Page 1: Fisher's orthodontic directory of the world: Edited by Dr. Claude R. Wood, Knoxville, Tenn., 1934

liver oil.

After the consideration of basic food elements and t.heir utilization in a, balanced diet, we must further concede the fact that, each child is an individual. And while we know which diet will generally produce normal bone growt.h, we do not know what constitutes norma,l bone growth in an individual child. Phenomena of endocrinolog>T and of metabolism have to be taken in account. As an exa,mple, a child with delayed drntition was studied. The child was placed on a balanced diet, including vitamins and dicalcium phosphate. HLI~

because it was an individual child, t,hc eruption was not accelerated until a little iodine was added to stimulat,e the deficient. a&ion of the thyroid.

For this reason, WC should not think of diet and bone development in terms of so much salts, proteins. and vitamins, but we should recognize t,he interrela tionship of all factors dealing with absorption. dist,ribution, and utilization. Not all of these factors are thoroughly understood. This is the explanation of why children receiving adeyua,te amounts of mineral salts may have faulty bone development. Insufficient sunlight, excess of fats, dysfunctioning para- thyroids, chronic infections. or something not so evident! may be to blame. It would, for instance, be interesting to determine how many children present faulty bone growth not because of an inadequate supply of mineral. salts, but. let us say, because of an abnormal protein metabolism.

-43. ,v.

Fisher’s Orthodontic Directory of the World. Edit,ed by Dr. (.‘laude lt. Wood: Knoxville, Tenn., 1934.

After an interval of two years the nrthodont,ic directory has again been published. now named in honor of its founder, Dr. William C’. Fisher. Tt contains a, list of all practicing orthodontists in the United States and in foreign countries. The listing includes : name, address, year of gradtmtion from drmal school, postgraduate orthodontic school attended and year of graduation, membership it1 orthodontic societies, statement whether practice is limited to orthodontia.

It. is gratifying t,o know t,hat this valuable publication is to be continued. In present times the tendency of people to change their place of residence is pronounced. Invariably, a patient, when leaving US for another city, asks for

a recommendation. Jt is at snch a t,ime that the orthodontic directory comes in handy. If the recommended orthodontist is not personally known t,o us? his postgraduate training will give us a cert,ain amount of information regard- ing the methods which he uses. In t,his way, an orthodontist may be selected who will carry on our plan of t,reatment, more or less unchanged.

---E. N,