. 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 . st molar positive(+), first bicuspid negative (-). A close study of theradiograph with the tests as a guide resulted in observa-tion of a fistulous tract leading from the first bicuspid tothe radiolucent spot in the apical region of the second bi-cuspid. (Radiograph by Alger of Los Angeles.) Figs. 56, 57, and 58. Figs. 56 and 57 were made at thesame sitting. They show the apex and periapical tis
. 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 . st molar positive(+), first bicuspid negative (-). A close study of theradiograph with the tests as a guide resulted in observa-tion of a fistulous tract leading from the first bicuspid tothe radiolucent spot in the apical region of the second bi-cuspid. (Radiograph by Alger of Los Angeles.) Figs. 56, 57, and 58. Figs. 56 and 57 were made at thesame sitting. They show the apex and periapical tissuesof the upper lateral incisor at Avidely different of them show any bone change which might betaken as evidence of a septic pulp in the lateral. Thelateral did not resj^ond to the electric test for pulp vitalitythough, and the operator who referred the case was ad-vised to make a diagnostic opening into the lateral in-cisor. The ojDerator pinned his faith in the aj)pearanceof radiographs and did not make a diagnostic opening. Fig. 58 was made seven months later. We now seequite definite bone destruction above the aj^ex of thelateral incisor. liSTTEEPRETATIOX OF RADIOGRAPHS 117. Fig. 55.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectdiagnos, bookyear1921
