. Electro-radiographic diagnosis; a book on the electric test for pulp vitality, giving the technic of its use in detail and submitting clinical evidence of its absolute necessity to dental diagnosis . Fig. Fig. 69. ^■^^ ^^ ^^^i^^^^B I . ^ ■ ^^ 1 Fig. 70. 124 ELECTRO-RADIOGRAPHIC DIAGNOSIS Figs. 71 and 72. I do not have the electric test recordsfor this case and I cannot therefore give a reliable inter-pretation of the radiographs. I see by Fig. 72 that thecentral incisor has been opened, but whether the operatorfound a vital or a septic pulp I cannot tell from the radio-graph. My guess f


. Electro-radiographic diagnosis; a book on the electric test for pulp vitality, giving the technic of its use in detail and submitting clinical evidence of its absolute necessity to dental diagnosis . Fig. Fig. 69. ^■^^ ^^ ^^^i^^^^B I . ^ ■ ^^ 1 Fig. 70. 124 ELECTRO-RADIOGRAPHIC DIAGNOSIS Figs. 71 and 72. I do not have the electric test recordsfor this case and I cannot therefore give a reliable inter-pretation of the radiographs. I see by Fig. 72 that thecentral incisor has been opened, but whether the operatorfound a vital or a septic pulp I cannot tell from the radio-graph. My guess from observation of Fig. 71 is that thecuspid harbors a vital pulp, but I would not want to givea final opinion without the electric test to help me. (Ra-diographs by McCormick.) Fig. 73. The radiolucent area at the apex of the cuspidgives the tooth the appearance of being abscessed, but itis not. It responds positively to the electric test. Theabscess arises from the lingual root of the first bicuspid,the crowned tooth. Fig. 74. The appearance of this radiograph is such asto direct suspicion to the lateral incisor and cuspid. Thereis considerable bone destruction between these two teeth,and the area


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdiagnos, bookyear1921