. Elementary and dental radiography / by Howard Riley Raper . central incisor with considerable bone destruction in apical region ofmissing approximating lateral incisor. 20. Tn Cases of Hloeolar flbsccss to Determine Which tooth i$ Responsible for the Abscess. Case: A pus sinus opening on the labial between fig. i$7. the lower central incisors near their apices. All of the lower anterior teeth sound and apparently 186 DENTAL RADIOGRAPHY healthy. Fig. 187 shows which tooth is responsible for the tooth was treated and the abscess cured. The light area to whichthe arrow points, abou
. Elementary and dental radiography / by Howard Riley Raper . central incisor with considerable bone destruction in apical region ofmissing approximating lateral incisor. 20. Tn Cases of Hloeolar flbsccss to Determine Which tooth i$ Responsible for the Abscess. Case: A pus sinus opening on the labial between fig. i$7. the lower central incisors near their apices. All of the lower anterior teeth sound and apparently 186 DENTAL RADIOGRAPHY healthy. Fig. 187 shows which tooth is responsible for the tooth was treated and the abscess cured. The light area to whichthe arrow points, about the apex of the central, represents the abscesscavity. Acute abscesses cannot always be shown in radiographs, becausethere may not be sufficient destruction of bony tissue. Chronic abscesses,which have become acute, can, of course, be shown radiographically. Take for example such a common case in the practice of dentistryas a bridge with a fistula pointing above a dummy. One does not know-before a raidiographic examination is made whether there is a piece. Fig. 190. Abscess at apex of lower second bicuspid. The tooth carries a gold shell is not filled. The inferior dental canal can be seen plainly in this radiograph—light streak between two dark lines along the lower border of the mandible. of tooth root above the dummy, whether one abutment tooth is abscessedor the other, or, for that matter, whether or not all of these things one does not know how to treat the case at all and must dependupon raidiographic examination before any intelligent action can be taken. Case: Fistula pointing above upper first Tifl. 1$$. bicuspid dummy. The radiograph shows a piece of the root of the first bicuspid, an abscess area at the apical and to distal of the cuspid, and a suspicious area in the apical region of the second bicuspid. Treatment indicated: Removal of bridge. Removal of piece of toothroot. Treatment of cuspid: Testing of second bicuspid for vitality. Case:
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