. Elementary and dental radiography / by Howard Riley Raper . t. I would suggest it as a most rational expedient that radio-graphs be taken in all cases of traumatism, before treatment is begun. Case: Young lady fell on dance hall floor strik-Tifl. 234. ing the upper centrals and loosening them. Her den- tist treated both teeth, removing inflamed pulps. Onetooth progressed promptly to recovery, but the other remained loose andsore. After several weeks of treatment the patient presented to Dr. F. , of Chicago, who had a radiograph made before commencingtreatment. The radiograph shows


. Elementary and dental radiography / by Howard Riley Raper . t. I would suggest it as a most rational expedient that radio-graphs be taken in all cases of traumatism, before treatment is begun. Case: Young lady fell on dance hall floor strik-Tifl. 234. ing the upper centrals and loosening them. Her den- tist treated both teeth, removing inflamed pulps. Onetooth progressed promptly to recovery, but the other remained loose andsore. After several weeks of treatment the patient presented to Dr. F. , of Chicago, who had a radiograph made before commencingtreatment. The radiograph shows the root of the loose tooth fractured THE USES OF THE RADIOGRAPH IN DENTISTRY 209 near the apex. Dr. Moorehead removed the apex of the root through theexternal alveolar plate, smoothed the end of the broken root, and the caserecovered promptly. It is almost superfluous to do so, yet I want to callyour attention to the fact that this case, like very many others I have re-ported, could not have been diagnosed and treated properly without usingthe Fig. 233 Fig. 233 Fig. 234 Fig. 232. Fractured upper lateral incisor. Because of the location of the break extraction is indicated. Fig. 233. It was thought that the roots of the centrals were fractured. The radiograph shows they are not. Fig. 234. Left central fractured near the apex. The case had been treated for alveolar ab-scess without success for several weeks. The removal of the piece of fractured root-endthrough the external alveolar plate effected a cure. (Radiographed by Lewis, of Chicago.) 34. U Observe the Size and Shape of Roots of Ceetb to be Used in Crown and Bridgework. Malformed upper laterals—peg laterals—Tig. 23S. occur quite frequently. Their appearance is bad, and, for esthetic reasons, we often crown them. Theporcelain jacket crown is difficult to construct and, at best, fragile. Ifthe root of the peg lateral is long enough the operator may elect to usea post porcelain crown of some kind instead of


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