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This book meets a decided need in medicine at the present time. Many of the theories to which the author adheres, however, have been superseded in America by newer ones which have been proved correct. Researches along this line are still in their infancy, but it seems that a work intended to occupy this particular field should contain the latest and best-established thought. For instance, the author seems to retain the old theories of thumb and finger-sucking as a cause of deformed arches. This theory became obsolete in America years ago. Colyer also regards adenoids as a factor in the growth of the jaws, but he does not take into consideration the many malformations of the face, jaws and teeth, which are always associated with adenoids and which could in no way be caused by them. He mentions syphilis as one
Dental Disease in Its Relation to General Medicine.. JAMA. 1912;LVIII(3):220. doi:10.1001/jama.1912.04260010222034