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On a number of occasions, one of us (J. H. S.) has been impressed with the significance of aplasia of the upper central incisors of the second dentition as a clue to the existence of heredosyphilis.
With a view to determining whether dental aplasia in heredosyphilis is actual or merely apparent, because of impaction or noneruption of the upper central incisors, roentgenograms are being taken in suitable cases in which the delayed appearance of these teeth suggests the possibility of aplasia.
The examination of children's teeth by the roentgen ray has been considered difficult and more or less hazardous. If the operator, however, does not attempt to make too many exposures and uses the bite method, children even at the age of 4 or 5 years can be handled quite successfully. The film is held in place by closing the jaws. A third person, to engage the hands of the
STOKES JH, GARDNER BS. THE DEMONSTRATION OF UNERUPTED HUTCHINSON'S TEETH BY THE ROENTGEN RAY. JAMA. 1923;80(1):28–29. doi:10.1001/jama.1923.02640280030013
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