. Elementary and dental radiography / by Howard Riley Raper . ics. Inthis case the author desires to insert a bridge. On opening into the thirdmolar and second bicuspid, which teeth were to be used for the abut-ments, we were unable to find any canals in the bicuspid, and only a smallcanal in the molar. The skiagraph confirms the clinical findings. THE USES OF THE RADIOGRAPH IN DENTISTRY 175 11. As an Aid in Tilling the Canals of teeth with Carge Apical foramina. To demonstrate this use of the radiograph aTig. 16*. central incisor with a large apical foramen was chosen, and an orthodontic liga
. Elementary and dental radiography / by Howard Riley Raper . ics. Inthis case the author desires to insert a bridge. On opening into the thirdmolar and second bicuspid, which teeth were to be used for the abut-ments, we were unable to find any canals in the bicuspid, and only a smallcanal in the molar. The skiagraph confirms the clinical findings. THE USES OF THE RADIOGRAPH IN DENTISTRY 175 11. As an Aid in Tilling the Canals of teeth with Carge Apical foramina. To demonstrate this use of the radiograph aTig. 16*. central incisor with a large apical foramen was chosen, and an orthodontic ligature wire passed intothe canal until the patient received sensation. The worthlessness of thesensation test, as a guide in filling to the apex of canals is demonstratedby Fig. 168, which shows the wire penetrating the tissues four or fivemillimeters beyond the apex of the tooth. After the radiograph () was made, the wire was removed, and that part of it penetrating theapex cut off, or as nearly as could be judged from the appearance of
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