A practical treatise on mechanical dentistry . ower place on the tooth. In many cases, moreover,the supporting teeth inclined toward or away from one another, andmade it well-nigh impossible to construct a plate which could besprung into place and yet so tightly clasp the teeth as to firmly holdthe denture in position. The object in devising the method of attachment and organiza-tion of dental substitutes now to be explained was, as Dr. Parrexplains, to avoid the difficulties mentioned, which will be madeevident in the following description of two practical cases. Fig. 632 is from the plaster


A practical treatise on mechanical dentistry . ower place on the tooth. In many cases, moreover,the supporting teeth inclined toward or away from one another, andmade it well-nigh impossible to construct a plate which could besprung into place and yet so tightly clasp the teeth as to firmly holdthe denture in position. The object in devising the method of attachment and organiza-tion of dental substitutes now to be explained was, as Dr. Parrexplains, to avoid the difficulties mentioned, which will be madeevident in the following description of two practical cases. Fig. 632 is from the plaster cast of a lower jaw in which onlythe lower left second molar, cuspid, and right first bicuspid re-mained. The molar and bicuspid were fitted with gold cap crowns. BRIDGE DENTURES. 627 Gold sockets were prepared, and gold tongues, made of strips ofspring gold plate having their ends folded upon themselves toform spring catches, were fitted to the sockets. The cap crownswere placed on the plaster teeth, the boxes or sockets hard waxed Fig.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1903