. Radiography and radio-therapeutics . ined of thecervical vertebrae and theupper dorsal, the apices ofthe lungs coming into thepicture, as do also thesternal ends of the clavi-cles and the manubriumsterni. The upper cer-vical vertebrae are ob-scured by the basi occiputand the lower maxilla. Should it be necessaryto obtain an impression Fig. 182.—Upper cervical region, antero-posterior view. of the first three CCrvical Taken with plate bebind and an extension tube iu front of the vertebrae other methodsopen month. must be adopted. The base ofthe occiput and the first andsecond cervical vertebr


. Radiography and radio-therapeutics . ined of thecervical vertebrae and theupper dorsal, the apices ofthe lungs coming into thepicture, as do also thesternal ends of the clavi-cles and the manubriumsterni. The upper cer-vical vertebrae are ob-scured by the basi occiputand the lower maxilla. Should it be necessaryto obtain an impression Fig. 182.—Upper cervical region, antero-posterior view. of the first three CCrvical Taken with plate bebind and an extension tube iu front of the vertebrae other methodsopen month. must be adopted. The base ofthe occiput and the first andsecond cervical vertebrae maybe examined by placing a plateon the posterior aspect; andby using a small extensiontube, with the mouth openedto its widest extent, a goodradiograph may be obtainedwhich should show the con-dyles of the occipital bone,the odontoid process of theaxis, the atlas, and the thirdcervical vertebra. The lateral view of thecervical area shows the wholeregion from the occiput downto the upper dorsal is a good method for.


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