. Elementary and dental radiography . Fig. 200 Fig. 201 Fig. 200. Abscess involving the upper central and lateral incisors. There was tut one fistulousopening on the labial. Since the canals of central and lateral are both properly filled thetreatment should consist simply of curettement of the affected area, which, of course, does notnecessitate the removal of the post-porcelain crowns from the teeth. (Radiograph by Ream, of Chicago.) Fig. 201. Dr. Rhein says of Fig. 201: This is a typical case of chronic alveolar abscess, which for years had been erroneously treated for Fig. 202.
. Elementary and dental radiography . Fig. 200 Fig. 201 Fig. 200. Abscess involving the upper central and lateral incisors. There was tut one fistulousopening on the labial. Since the canals of central and lateral are both properly filled thetreatment should consist simply of curettement of the affected area, which, of course, does notnecessitate the removal of the post-porcelain crowns from the teeth. (Radiograph by Ream, of Chicago.) Fig. 201. Dr. Rhein says of Fig. 201: This is a typical case of chronic alveolar abscess, which for years had been erroneously treated for Fig. 202. Alveolar abscess wrongly diagnosed as pyorrhea. (Radiograph by Rhein, of New York.) incisors in an abscess. Both teeth carried perfectly adjusted porcelaincrowns. The skiagraph not only shows the involvement of both teeth,but also that the roots are properly filled. The treatment here is purelysurgical, and means the curettement of the affected area. Had theradiograph not been used the operator would, in all probability, havemade the laborious and foolish mistake of removing the crowns on theassumption that the canals were not properly filled. THE USES OE THE RADIOGRAEH L\ IJEXTISTRV 193 25. B$ an Hid in Differential Diagnosis Between Chronic Jfioeoiar Hbscess and Pyorrhea HIveolaris. When a chronic alveolar abscess discharges about the neck of a tooththe case so closely simulates calcic pyorrhea alveolaris that, without usingthe radiograph or opening into the affected tooth, the operator cannotmake a definite diagnosis.
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