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156 OPERATIVE DENTISTRY

a final result, chemical action should be either retarded or held in
check during the entire process of manipulation, which is easily
accomplished by a low temperature mix. ''The process of set-

Fig. 93.—Proper position of the spatula on the slab when manipulating silicate.

Fig. 94.—Proper placing of the materials when manipulating silicate.
ting" as it is called is held in check until the material is finally in
place and further disturbance unnecessary. As soon as the filling
has been placed in the tooth, the warmth of the body is sufficient