Dental cosmos . Dental Cosmos. Reprehensible Plate-Work.—Mrs. P., aged twenty-eight years, a nativeof England, came to my office on December 10 last. She stated that someten years ago she applied to an English dentist for an upper denture, and,after arranging the preliminaries, he took a pair of excising forceps andnipped off the crowns of all her upper teeth, with the exception of the leftcentral incisor, leaving the roots of the teeth in situ, and without any treat-ment whatever proceeded to take an impression, from which he constructed the silver plate shown in the illustration. The hook sh
Dental cosmos . Dental Cosmos. Reprehensible Plate-Work.—Mrs. P., aged twenty-eight years, a nativeof England, came to my office on December 10 last. She stated that someten years ago she applied to an English dentist for an upper denture, and,after arranging the preliminaries, he took a pair of excising forceps andnipped off the crowns of all her upper teeth, with the exception of the leftcentral incisor, leaving the roots of the teeth in situ, and without any treat-ment whatever proceeded to take an impression, from which he constructed the silver plate shown in the illustration. The hook shown on the front ot theplate embraced the neck of the incisor left standing. A feeble attempt atmodern crown-work is shown by the small post soldered to the upper side ofthe plate, and which entered the root-canal of the right superior first post, shown by the dotted lines in the figure and separately at B, had longsince ceased to be of any value in assisting to retain the plate in position, on. A A HINTS, QUERIES, AND COMMENTS. 493 account of the caliber of the canal being enlarged to twice its original size,both by caries and the friction of the post. The plate was prevented fromdropping out of the mouth by the hook over the central, the neck of whichwas greatly abraded, as shown at A, A. On her arrival in America somethree years ago, she had the hook tightened by a dentist, since which timeshe has been unable to get the plate out of her mouth, the posterior portionhanging pendulous from the incisor. On removing the plate a most disgustingstate of things presented itself. A large number of the roots were abscessed,and the surrounding gum was sodden with pus. The plate was incrusteddeeply with food debris and other filth. She stated that her health had beenpoor for a number of years, attributable, doubtless, to the conditions de-scribed. If a junior in any dental college of the present day should be guiltyof so flagrant a violation of physiological laws, he wou
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