Book Description

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1883. Excerpt: ... TRANSACTIONS OF THE NKff YORK 0D0NT0L0GICAL SOCIETY. 13 Regular meeting held at the residence of Dr. J. W. Clowes, Tuesday evening, January 17, 1882. President Dr. S. G. Perry in the chair. INCIDENTS OF OFFICE PRACTICE. Dr. Jarvie. I have a matter here showing plaster cast of a mouth. It is not an unusual case, but to me it is shrouded in so much mystery that I should like to ask a question. This is a cast of the mouth of a lady thirty-five or forty years of age. Five years ago her tour superior incisor teeth were normal in length and shape. To-day the two centrals have wasted away, perhaps one-fifth of their entire substance; the laterals not nearly so much, and the eye-teeth are hardly affected. The labial and lingual surfaces are equally wasted, and both surfaces are as brightly polished as it is possible to be done by any mechanical means. The lady has not been in very good health, has been affected by dyspepsia in an acute form; but the question is, What has caused this wasting, and what shall be done to arrest it? Dr. Dwinelle. Is this in the nature of wasting about the necks of the teeth? Dr. Jarvie. Not at all. It is on the cutting-surfaces. The necks are not disturbed in the least. It is not in the nature of that kind of absorption. It is not caused by attrition, because the incisor teeth do not touch, but, as you see, they are wasted away to a knife-like edge. Dr. Dwinelle. Evidently a chemical action. We know that under the constitutional effect of iodide of potassium the teeth are apt to sympathize, and that peculiar absorption around the necks of the teeth is induced. I have seen it go to the very centers. Dr. E. S. Niles, Boston. A patient of mine has been suffering for the last three years from what was at first supposed to be paralysis of ...