. Elementary and dental radiography / by Howard Riley Raper . which seems toenter the pulp chamber. Hence, it was assumed that the filling didextend into the pulp chamber, and this diagnosis was accordingly there been an extension of. the filling onto the buccal or lingual ofthe shape of the material, which, in this case, passes into the pulpchamber, this extension would have been held responsible for the ap-pearance of filling material passing into the pulp chamber. 23. To Assume. Fro^ the Appearance of Flat Radiographs(Not Stereoscopic Radiographs) Thatthe Root of an Upper Pos-terio
. Elementary and dental radiography / by Howard Riley Raper . which seems toenter the pulp chamber. Hence, it was assumed that the filling didextend into the pulp chamber, and this diagnosis was accordingly there been an extension of. the filling onto the buccal or lingual ofthe shape of the material, which, in this case, passes into the pulpchamber, this extension would have been held responsible for the ap-pearance of filling material passing into the pulp chamber. 23. To Assume. Fro^ the Appearance of Flat Radiographs(Not Stereoscopic Radiographs) Thatthe Root of an Upper Pos-terior Tooth Penetrates the Antrum. It is impossible to determine from the appearance of a flat radio-graph whether the root of a tooth penetrates the antrum or not. The ap- REJD1XC RADIOGRAPHS Z7V pearance of the radiograph would be the same it the root passed to thebuccal or lingual of the ant nun as it would if it entered it. In radio-graphs made on films held in the mouth the roots of teeth may seem toenter or lap the antrum when they do neither. (Fig. 397.).
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