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114 MECHANICAL DENTISTRY AND METALLURGY.
for the purpose, care Ijeing taken not to allow any enamel
to remain on the teeth, and to pack it very nicely around

Fig. 65.

the necks. Now carefully tap the plate with the spatula to
bring the moisture to the surface, which absorb with the
napkin ; then dry and bake the case again, bringing it to a
Fig. 66.

little higher temperature, so that more of the shining crys-
tals will be seen. Cool down as before, and examine care-
fully for small cracks; if any should be found, fill them with