A practical treatise on artificial crown- and bridge-work . THK MANDREL SYSTEM. 251 ],ortions of the crowns level with tlie gum margins. Preparethe roots in any of the well-known ways, thoroughly cleansingthe apical portions and filling thorn with whatever material isdesired, heing careful only that the work is well done. For thebetter retention of the filling-material to be placed in the pulp-chamber, retaining-grooves can be made or retaining-posts in-serted. Take a piece of binding-Avire (:No. 26, American gauge),two and one-half inches long, pass it around the neck of the molarstump, cross
A practical treatise on artificial crown- and bridge-work . THK MANDREL SYSTEM. 251 ],ortions of the crowns level with tlie gum margins. Preparethe roots in any of the well-known ways, thoroughly cleansingthe apical portions and filling thorn with whatever material isdesired, heing careful only that the work is well done. For thebetter retention of the filling-material to be placed in the pulp-chamber, retaining-grooves can be made or retaining-posts in-serted. Take a piece of binding-Avire (:No. 26, American gauge),two and one-half inches long, pass it around the neck of the molarstump, cross the free ends, and, holding the wdre in place with onefinger, twist the ends with a pair of flat-nose pliers until the wireclasps the neck closely at every point (Fig. 494). Where thereare any irregularities in the contour of the tooth, it is necessaryto press the wire into them with an approximal burnisher. It isobvious that the ring thus formed will show the exact size andshape of the neck of the tooth. Remove the ring carefully, lay Fin 401. Fig.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectcrowns, bookyear1889
