A practical treatise on artificial crown- and bridge-work . Fig. 437 gives the lingual aspect. It will be readily seen thatunder proper circumstances two or more roots or teeth may befitted with this device, the gold crowns being soldered to andmade a part of the denture, making the whole-a piece of bridge-work capable of being removed, cleaned, and replaced at spring catch regulates the firmness of Fig. The next device is the box cap and split post; the box capbeing fitted permanently to the root, and the split post beingsoldered to the plate bearing the teeth. The
A practical treatise on artificial crown- and bridge-work . Fig. 437 gives the lingual aspect. It will be readily seen thatunder proper circumstances two or more roots or teeth may befitted with this device, the gold crowns being soldered to andmade a part of the denture, making the whole-a piece of bridge-work capable of being removed, cleaned, and replaced at spring catch regulates the firmness of Fig. The next device is the box cap and split post; the box capbeing fitted permanently to the root, and the split post beingsoldered to the plate bearing the teeth. The box cap is the usualcap, with a box or tube soldered to it and extending into theroot, the cap end of the tube being open. The split post is sosecured to the denture as to slide snugly into this tube, the firm-ness of retention being regulated by pressing the split slightlyopen when necessary. This device, like the first, may, under 1 Dr. Waters ha? patented this invention and donated it to the profession. 220 A It TIFICI. 1L CRO WN- A XD BRIDGE- WORK. proper circumstances, l»e used by itself in any case, as shown inapplication in Figs. 438, 439, and 440, in which the whole dentureis supported by 1»x caps and split posts adjusted to the roots ofthe six anterior teeth. Fig. 438.
Size: 2373px × 1053px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublisherphila, bookyear1889