. Dental electro-therapeutics. X-ray January 29, 1907. On January 29, 1907, the accompanying x-ray wastaken of a patient suffering from every symptom of pyor-rhoea including constitutional disorders. This radiograph Fig. 147. X-ray May 30, 1912. was sent to Mr. C. Clark, of London, with the patient onMay 30, 1912, with a request to produce a picture ofthe same parts. The result will be seen in the x-ray, It will be seen that the alveolus has changed in five 294 ELECTRO-THERAPEUTICS and one-half years considerably, between the second premolarand the cuspid carrying a bridge, it is quit
. Dental electro-therapeutics. X-ray January 29, 1907. On January 29, 1907, the accompanying x-ray wastaken of a patient suffering from every symptom of pyor-rhoea including constitutional disorders. This radiograph Fig. 147. X-ray May 30, 1912. was sent to Mr. C. Clark, of London, with the patient onMay 30, 1912, with a request to produce a picture ofthe same parts. The result will be seen in the x-ray, It will be seen that the alveolus has changed in five 294 ELECTRO-THERAPEUTICS and one-half years considerably, between the second premolarand the cuspid carrying a bridge, it is quite a different con-tour, it is a higher level, there is more alveolar process aboutthe molar roots, and the posterior boundary of the last molarhas a growth of alveolus resembling a molar, which is newbone. Allowing for a slight difference of angles at whichthe radiographs were taken, there is still a marked differ-ence in the appearance of the bone, the first shows markeddecalcification and morbid changes, the second shows areformation of bone about the roots of the teeth. Theclinical changes are no less marked, the pyorrhea hasentirely disappeared, the gums are healthy and the teethfirm. The pyorrhea was treated with
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