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132 MECliANICAL DENTISTRY AND METALLURGY.
Securing Splint in the Mouth,—The splint is now ready
to l)e adjusted in the mouth, and if the foregoing instruc-
tions have l^een closely followed the teeth of the superior
jaw will readily slip into place. After so placing it, care-
fully manipulate the lower jaw, reducing the fracture and
bringing ilic tccih to position in the splint. The jaw should
then be firmly secured jjy external bandages.
The Kingsley Splint.—A splint devised by Dr. Norman
W. Kingsley consists of a vulcanite covering to the lower
teeth, having two steel wires attached extending out of the
corners of the mouth and then backward along the cheek
on a line with the teeth. It is held in position by having
the wires bound to a sub-mental splint of padded wood. The
upper teeth must articulate with the upper surface of the
rubljer, so that the patient can use it for mastication. Take
upper and lower impressions ; pour models and articulate
them, as before described, and place them in an articulator.
Upon the lower model carefully press a piece of wax about
one line in thickness over the teeth, allowing it to encroach
a little upon the gums. Close the articulator to make the
imprints of the upper teeth in the wax. The best method