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192 THE GOLD AND PORCELAIN INLAY

all others in the college clinic for developing technical skill
and manipulative ability.

Cavity Preparation

Access for inlay work should be obtained principally by

separation of the teeth and not by extensive cutting of tooth

Fig. 219.—Cavity preparation Fig. 220.—Inlay preparation
for a gold inlay on the occlusal on occlusal surface on a lower first
surface of an upper molar. molar.

Fig. 221.—^Labial cavity on Fig. 222.—Inlay prepara-
an upper central incisor. tion on a cuspid with more
extensive caries involvement
than that shown in Fig. 221.

structure. All cavity preparations, whether for inlay or other
types of restoration should be made with the saliva excluded,
to perfect the view of the cavity, to diminish sensitivity, and

to maintain asepsis. Cavity preparation for the gold inlay