. Dental and oral radiography : a textbook for students and practitioners of dentistry . he shape and condition of theroots whether or not the prognosis for successful roottreatment and filling is favorable. Where posts are to be placed in the roots, theirextent and direction can be noted, and where the ana-tomic peculiarities of such roots make them liable toperforation, precautions for avoiding such calamitiesmay be taken. Where spaces are to be bridged, and the exact statusof the area which is to lie beneath the bridge is notknown, a radiogram should be made to be sure that un-erupted teeth
. Dental and oral radiography : a textbook for students and practitioners of dentistry . he shape and condition of theroots whether or not the prognosis for successful roottreatment and filling is favorable. Where posts are to be placed in the roots, theirextent and direction can be noted, and where the ana-tomic peculiarities of such roots make them liable toperforation, precautions for avoiding such calamitiesmay be taken. Where spaces are to be bridged, and the exact statusof the area which is to lie beneath the bridge is notknown, a radiogram should be made to be sure that un-erupted teeth or root fragments are not present. (SeeFigs. 92, 93 and 94.) INDICATIONS FOR X-RAY TN DENTISTRY 147 Radiographic Requirements.—Intra-oral radiogramsare indicated for this character of work. Reflexes of Obscure Origin Where painful reflexes occur about the face or head,and a clinical examination does not immediately deter-mine their possible origin, a radiographic examinationof the teeth and their adjacent structures is such reflexes are the result of unerupted, im-.
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