. Elementary and dental radiography . Fig. 235 Fig. 230 Fig. 235. A peg lateral, the root of which is somewhat tortuous. (Radiograph by Blum, of New York City.) Fig. 23G. A malformed cuspid tooth. It would be a mistake to use such a tooth as an abutment for a large bridge. 35. fls an Aid and Safeguard Ulbcn enlarging Canals for Posts. There are times while enlarging canals for posts when we lose thecourse of the canal and are much disturbed to know if we are making ourenlargement in the proper direction. Place a wire in the canal and makea radiograph. If the enlargement is being made to the me
. Elementary and dental radiography . Fig. 235 Fig. 230 Fig. 235. A peg lateral, the root of which is somewhat tortuous. (Radiograph by Blum, of New York City.) Fig. 23G. A malformed cuspid tooth. It would be a mistake to use such a tooth as an abutment for a large bridge. 35. fls an Aid and Safeguard Ulbcn enlarging Canals for Posts. There are times while enlarging canals for posts when we lose thecourse of the canal and are much disturbed to know if we are making ourenlargement in the proper direction. Place a wire in the canal and makea radiograph. If the enlargement is being made to the mesial or distal,with danger of a perforation, this can be seen in the picture. One mightcompletely penetrate the side of the root towards the labial, or buccal, orlingual, without being warned of the danger by a radiograph, but, bear inmind, perforations made through the side of a root are, with rare excep-tions, either to the mesial or distal. In Fig. 237, observe the central carrying a fig. 237. Post porcelain crown. The post does n
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