Dental cosmos . illustration. As the patient was averse to having the piece of root removed and a platetooth substituted to fill the space, I explored the canal of the root in situ, andremoving all trace of nerve-matter, found enough root for the support of thebroken tooth. I stopped the apical foramen, and made a thread with a Howscrew-tap, and screwed a How post (platinum) into it. After enlarging andcleaning the root-canal in the broken fragment, I drilled completely throughit into the lingual surface, and placed it in position on the screw-post, whichextended down so that it just about app
Dental cosmos . illustration. As the patient was averse to having the piece of root removed and a platetooth substituted to fill the space, I explored the canal of the root in situ, andremoving all trace of nerve-matter, found enough root for the support of thebroken tooth. I stopped the apical foramen, and made a thread with a Howscrew-tap, and screwed a How post (platinum) into it. After enlarging andcleaning the root-canal in the broken fragment, I drilled completely throughit into the lingual surface, and placed it in position on the screw-post, whichextended down so that it just about appeared at the palatal opening. Re-moving the tooth, the palatal opening was enlarged to accommodate a nut(somewhat reduced in size by filing), and when the tooth was again placedin position, with thin oxyphosphate placed on the screw-post, the nut wasset up firmly, the tooth was made whole again, and no soreness has small cavity below the nut was filled with oxyphosphate, which I shallvol. xxxv,—36. I 502 THE DENTAL COSMOS. replace with gold at some future time when there will be no danger of irrita-tion.—F. A. Knowlton, , Fairfield, Me. To the Editor of the Dental Cosmos : Sir,—Dr. Pruyn and myself have been using trichloracetic acid, ten percent, solution, in treatment of calcic inflammation and pyorrhea pockets, withbetter results than anything we have ever used. For myself I have beenusing it with good results for obtunding sensitiveness at the necks of the treatment of the incisors this discovery will be a very important oneshould future experiment establish its value for this purpose. We have not been able to secure sodium peroxid, but will be able to reporton it later. We are very much pleased with pyrozone, five per cent, solution.—J. Aus-tin Dunn. A MONTHLY BIBLIOGRAPHY OF DENTAL LITERATURE. COMPILED BY J. MELVIN LAMB, , , WASHINGTON, D. C The abbreviations of titles used are those common to bibliographical work, andwill, i
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