. Dental and oral radiography : a textbook for students and practitioners of dentistry . b. c. Fig. 67.—A shows an upper bicuspid tooth with an alveolar abscess at its root apex. It will be noted that the root canal is improperly filled. B shows the same tooth about two months after it was treated and the root canal properly filled. The rarefied area about the apex has greatly decreased in size. C shows the same tooth about six weeks later. The abscess area has entirely disappeared and the bonestructure about the apex appears to b_e normal. openings as the mental foramina, and where they arema
. Dental and oral radiography : a textbook for students and practitioners of dentistry . b. c. Fig. 67.—A shows an upper bicuspid tooth with an alveolar abscess at its root apex. It will be noted that the root canal is improperly filled. B shows the same tooth about two months after it was treated and the root canal properly filled. The rarefied area about the apex has greatly decreased in size. C shows the same tooth about six weeks later. The abscess area has entirely disappeared and the bonestructure about the apex appears to b_e normal. openings as the mental foramina, and where they aremarkedly circumscribed, that is having a distinct andabrupt line of demarcation between the dark area and itssurrounding tissue, we can in nearly every case, even ifa clinical history be lacking, make the positive diagnosisof alveolar abscess. (See Figs. 64, 65 and 66.) 30 DENTAL AND ORAL UADlotilJA Il I Y Not infrequently, dentists are prone to disregard suchevidence, as these areas are often to be Pound about theapices of teeth giving no inflammatory symptoms. Bow-ever, in the ligh
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