. Elementary and dental radiography / by Howard Riley Raper . Fig. 273. A, diseased antrum. The shadow pointed to by the arrows is an impacted thirdmolar. B, healthy antrum, CC, turbinate bones, EE, very small frontal sinuses. (Radiograph by Pfahler of Philadelphia.) of the lack of perspective in the radiograph. I am inclined to think, how-ever, that it does not—the lower part of the antrum and the end of theroot overlap, the tooth root passing to the lingual of the antrum. Because of its unusual size the lower part of the antrum was thoughtto contain a malignant growth. Dr. Cryer rejected thi
. Elementary and dental radiography / by Howard Riley Raper . Fig. 273. A, diseased antrum. The shadow pointed to by the arrows is an impacted thirdmolar. B, healthy antrum, CC, turbinate bones, EE, very small frontal sinuses. (Radiograph by Pfahler of Philadelphia.) of the lack of perspective in the radiograph. I am inclined to think, how-ever, that it does not—the lower part of the antrum and the end of theroot overlap, the tooth root passing to the lingual of the antrum. Because of its unusual size the lower part of the antrum was thoughtto contain a malignant growth. Dr. Cryer rejected this interpretation,saying that the antrum must have been of the size shown in the radio-graph before the formation of the second and third molars, and that thelarge antrum was responsible for the pinched-together condition of their 238 DENTAL RADIOGRAPHY. Fig. 274. Lateral view of the same case illustrated in Fig. 273. This radiograph shows theimpacted tooth clearly. (Radiograph by Pfahler of Philadelphia.) roots. He theorized further, accounting for the pain the patient sufferedby surmising that the pinched condition of the roots of the third molarwas causing pressure on the dental pulp. In his description of the caseDr. Oyer does not mention the faulty canal filling in the second molaras a possible cause for the pain. Both molar teeth were extracted andthe patient was freed from neuralgia. 49. to Locate foreign Bodies, Such as tooth Roots or Broaches, in the Antrum. Fig. 277 shows a piece of tooth root in the an- TiflS. 277 and 27$. trum. It is a portion of the second bicuspid, which had been extracted (?) about a week previous to the time when the patient presented to Dr. Virgil Loeb for treatment. The THE USES OE THE RADIOGRAPH IN DENTISTRY 239
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