A practical treatise on artificial crown- and bridge-work . d from the model. The preparation and shaping of the natural crown to receive 1 Dental Cosmos, vol. xxv, No. 9, page 449. THE GOLD SEAMLESS CAP CROWN. 107 the artificial crown can then be proceeded with. Where thenatural crown is very badly decayed or broken down and themethod just described is not practicable, the portion of thenatural crown or root remaining should be shaped and preparedto receive an artificial crown. Then the form of the cervix isascertained with a wire as described on page 86, and an impres-sion of the parts taken
A practical treatise on artificial crown- and bridge-work . d from the model. The preparation and shaping of the natural crown to receive 1 Dental Cosmos, vol. xxv, No. 9, page 449. THE GOLD SEAMLESS CAP CROWN. 107 the artificial crown can then be proceeded with. Where thenatural crown is very badly decayed or broken down and themethod just described is not practicable, the portion of thenatural crown or root remaining should be shaped and preparedto receive an artificial crown. Then the form of the cervix isascertained with a wire as described on page 86, and an impres-sion of the parts taken in wax, and the wire form, the twistedends having been shortened, is carefully adjusted on the wax atthe cervical line. The plaster model, when made, will show thewire slightly imbedded in the plaster. The plaster should betrimmed to the inner edge of the wire, as that represents theexact form of the root (Fig. 205). Another method is to encircle and adapt to the form of theroot a strip of annealed copper. No. 35 standard gauge, about Fig. 205. ^lO-
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectcrowns, bookyear1889
