. Elementary and dental radiography / by Howard Riley Raper . vedconsiderable work and worry on the part of the operator. The tooth isprobably a second molar moved forward in the place of an extractedfirst molar, judging from the manner in which it is tipped and from thefact that it has only one canal. This case was in the hands of one of the most Tifl. 167. expert operators in Indianapolis. The lower first bicuspid had been devitalized, and the pulp removed, i/4 DENTAL RADIOGRAPHY but the tooth remained sore. Radiography was resorted to to learn, ifpossible, the cause -of the persistent peric
. Elementary and dental radiography / by Howard Riley Raper . vedconsiderable work and worry on the part of the operator. The tooth isprobably a second molar moved forward in the place of an extractedfirst molar, judging from the manner in which it is tipped and from thefact that it has only one canal. This case was in the hands of one of the most Tifl. 167. expert operators in Indianapolis. The lower first bicuspid had been devitalized, and the pulp removed, i/4 DENTAL RADIOGRAPHY but the tooth remained sore. Radiography was resorted to to learn, ifpossible, the cause -of the persistent pericementitis. A piece of ligaturewire, such as is used by orthodontists, was placed in the canal and radio-graph Fig. 167 made. The wire follows the enlarged canal. But thisparticular tooth happens to have two canals. The unopened canal is seento the distal of the wire. If a man, having the skill of the operator whohandled this case, misses a canal, as this man did, then I firmly believethat the mistake is one that any man, however skillful, is liable to
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