. Elementary and dental radiography / by Howard Riley Raper . Fig. 107. „ . _ There is such similarity in the symptoms caused Poses for the Cranial . , , , , . , .. J , J. , ,. e Sinuses and P*lls ^ dental lesions and those produced by diseases of the cranial sinuses and cells that the radiodontist is not infrequently called upon to make a differential diagnosis. The cranial sinuses and cells are (1) the maxillary sinuses, or antra, (2) the frontal sinuses, (3) the ethmoid cells, (4) the sphenoid cells and (5) the mastoid cells. With the patients face placed against the sensitive side of the p


. Elementary and dental radiography / by Howard Riley Raper . Fig. 107. „ . _ There is such similarity in the symptoms caused Poses for the Cranial . , , , , . , .. J , J. , ,. e Sinuses and P*lls ^ dental lesions and those produced by diseases of the cranial sinuses and cells that the radiodontist is not infrequently called upon to make a differential diagnosis. The cranial sinuses and cells are (1) the maxillary sinuses, or antra, (2) the frontal sinuses, (3) the ethmoid cells, (4) the sphenoid cells and (5) the mastoid cells. With the patients face placed against the sensitive side of the plate, Fig. in illustrates a standard pose for making radiographs to give an u8 DENTAL RADIOGRAPHY. Fig. 108. Pose for making the radiograph seen in Fig. 109. The patient is lying on a table.(Note the little stick which holds apart the wires attached to the regulating chamber andthe cathode end of the tube. This very simple wire spreader will often be found quiteuseful.) MAKING DENTAL RADIOGRAPHS 119


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