. Dental and oral radiography; a textbook for students and practitioners of dentistry . Fig. 82. Fig. 83. Fig. 82.—Upper bicuspid teeth with abscesses. Fig. 83.—Severe inflammatory process in progress about an upper lateral root end shows a mariced hypercementcsis. Radiographic Requirements.—Intra-oral radiogramswill usually suffice. Where the lower molars and bicus-pids are under examination, and the tissues under thetongue are very tender, the extra-oral method can be usedto advantage, if the patients comfort is a consideration.(See Fig. 84.) INDICATIONS rOR X-RAY IN DENTISTRY 13
. Dental and oral radiography; a textbook for students and practitioners of dentistry . Fig. 82. Fig. 83. Fig. 82.—Upper bicuspid teeth with abscesses. Fig. 83.—Severe inflammatory process in progress about an upper lateral root end shows a mariced hypercementcsis. Radiographic Requirements.—Intra-oral radiogramswill usually suffice. Where the lower molars and bicus-pids are under examination, and the tissues under thetongue are very tender, the extra-oral method can be usedto advantage, if the patients comfort is a consideration.(See Fig. 84.) INDICATIONS rOR X-RAY IN DENTISTRY 139 Root Canal Treatment Of the various dental operations, there is none that ismore nniversally in need of further elucidation than thetreatment and filling of root canals. As generally prac-ticed at the present time, this work can easily be termedthe greatest shortcoming of dentistry. To those whorecognize the uncertainty of results in this field, and theserious results which accompaii}^ failure to render sterile
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