A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . retaining appliance intact for the purpose ofreattaching it, which is necessarilyvery frail at its interproximal ex-tensions, and which is usually firmlycemented and attached at nearlyall points, cannot well be accom- ^^^ ^ I plished without proper pliers, to ^ say nothing of the pain that would be produced by a free-hand attemptto lift or pull it from its attachments to the teeth. This is especially true of thesix-band labial retainer. In many instances, the plier shown in Fig.


A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . retaining appliance intact for the purpose ofreattaching it, which is necessarilyvery frail at its interproximal ex-tensions, and which is usually firmlycemented and attached at nearlyall points, cannot well be accom- ^^^ ^ I plished without proper pliers, to ^ say nothing of the pain that would be produced by a free-hand attemptto lift or pull it from its attachments to the teeth. This is especially true of thesix-band labial retainer. In many instances, the plier shown in Fig. 99, ChapterXIX will answer the purpose, but the one which is especially adapted for thispart of the operation is that shown in Fig. 299. Restoring Broken Interproximate Extensions It occasionally happens with the most careful handling that one or more of theproximal extensions will be torn off. Any attempt to repair it by soldering the brokenedges together would be futile, because of its exceeding thinness at this point, whichshould not be thickened with a reinforcing piece or overflow of solder. It can, how-. 392 PART VIII. RETENTION IN DENTAL ORTHOPEDIA Fig. 300.


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Keywords: ., bookcentury1900, bookdecade1920, bookidpracticaltre, bookyear1921