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INTEKDIiNTAL SPLINTS. 129
Alonzo Beal.''' I'irst, place two lasers of thin base-plate
wax over the teeth of both models, allowing it to extend
just beyond the necks of the teeth upon the gums, but not
quite to the edge of the tin-foil. Then make a strip of
wax about three-sixteenths of an inch thick and wide
enough to fit between the pieces of wax on the models, and
long enough to extend as far back as they do, joining the
three pieces together with melted wax. Pass a hot spatula
all around the edge of the \vax, where it joins the tin-foil,
to make a perfect joint. The object of the tin-foil is to
make the rubber smooth, and to have the splint, when
finished, a trifle larger than the natural teeth, so that it will
pass in position without binding- at any point.

Fig. 86.

Flasking.—The wax splint and tin-foil covering now
being one piece, should be removed from the models and
the models carefully taken from the articulator, trimming
their bases and sides if necessary, so that when the splint
is in position on them the whole wall fit in the vulcanizing
flask. The lower model wdth the splint upon it should be

* See American System of Dentistry, Vol. II.