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192 MECHANICAL DENTISTRY AND METALLURGY.

usually happens, the upper incisors had suffered most. The
lower incisors were restored by capping them with cohesive
foil. The bridge shown in Fig. 170 was constructed for
the right side of the upper jaw, while the teeth on the left
side were restored by contour work, as shown in Fig. 171.
The superiority of the condition of the patient's mouth,
which resulted from this work, over anything which could
have been accomplished by plate-work may readily be ap-
preciated.
A case showing to what extreme the dentist may be
called upon for services, and to what extent bridge-work

Fig. 172.

may plav a part in restoration, is illustrated in an operation
by Dr. D. Patterson, of Kansas City.
J.
The patient, a member of the United States Cavalry, was
struck upon the lower jaw with a ball from a Winchester
rifle. The part of the jaw from the second bicuspid upon
the left side to the second molar on the right was badly
shattered, and at a point in the region of the right cuspid
for the space of about six lines, the bone was entirely gone
(Fig. 172, A, B), leaving the remaining posterior parts