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M. L. RHEIN, M.D., D.D.S.
JAMA. 1917;LXIX(12):974-977. doi:10.1001/jama.1917.02590390024009.
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The accumulated evidence both in research work and from clinical data has established the fact that many infective lesions of vital parts of the body can be traced to focal infections at the ends of the roots of teeth. The great amount of attention that has been brought to this important subject has resulted in the usual exaggeration, not only by the laity, but by many physicians. Consequently, it is timely that it should be made very clear that all cases of endocarditis, arthritis, ulcers of the stomach, etc., are not of dental origin.

The value of the natural teeth in the maintenance of health should not be overlooked, and they should not be extracted in a wholesale manner on insufficient evidence of their being a menace to life.

It should be understood that the evidence of a roentgenogram requires corroboration,that poor roentgenograms are apt to be most common, and


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