. Elementary and dental radiography / by Howard Riley Raper . Fig. 237 Fig. 238 Fig. 237. The post in the post-porcelain crowned central does not follow the canal. It almost penetrates the side of the root. (Radiograph by Graham, of Detroit.) Fig. 238. Perforation through the side of the root of an upper second bicuspid. A probe passes through the perforation. (Radiograph by Graham, of Detroit.) 36. Co examine Bridges About lUhtcb there Ts Jin Inflammation. At best fixed bridges are not sanitary. For thisTigs. 239 and 240. reason we often find an intense inflammation aboutthem. Thorough deplet

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. Elementary and dental radiography / by Howard Riley Raper . Fig. 237 Fig. 238 Fig. 237. The post in the post-porcelain crowned central does not follow the canal. It almost penetrates the side of the root. (Radiograph by Graham, of Detroit.) Fig. 238. Perforation through the side of the root of an upper second bicuspid. A probe passes through the perforation. (Radiograph by Graham, of Detroit.) 36. Co examine Bridges About lUhtcb there Ts Jin Inflammation. At best fixed bridges are not sanitary. For thisTigs. 239 and 240. reason we often find an intense inflammation aboutthem. Thorough depletion by scarifying and the useof an astringent, antiseptic mouthwash will usually give prompt may be causes for the inflammation other than the simple fact thatthe bridge is a foreign body in the mouth, making thorough cleanlinessimpossible. Observe Figs. 129, 239 and 240 as examples. It would beextremely difficult to remove the bit of root shown beneath the bridge inFig. 239 without removing the bridge. The piece of root shown in can ea

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