. Elementary and dental radiography . atient would not consent to the removal of tissue for microscopical examination. The radiograph shows only that the bone is diseased. The exact nature of the disease must be determined by the microscope. Case: Enlargement of the gums about the upperTig. 262. anterior teeth, causing considerable disfigurement. Fig. 262 shows what was thought to be hyper-trophy of the gum tissue and alveolar tissue. [Microscopic examinationverified the diagnosis. The teeth and the hypertrophied tissue were re-moved. At the age of thirteen a permanent lateral had Tig. 263. fa
. Elementary and dental radiography . atient would not consent to the removal of tissue for microscopical examination. The radiograph shows only that the bone is diseased. The exact nature of the disease must be determined by the microscope. Case: Enlargement of the gums about the upperTig. 262. anterior teeth, causing considerable disfigurement. Fig. 262 shows what was thought to be hyper-trophy of the gum tissue and alveolar tissue. [Microscopic examinationverified the diagnosis. The teeth and the hypertrophied tissue were re-moved. At the age of thirteen a permanent lateral had Tig. 263. failed to erupt. A radiograph was made to learn whether or not it was present in the jaw. Fig. 263: shows the permanent lateral, and shows also why it has not erupted. In 228 DENTAL RADIOGRAPHY the path of eruption is seen what I believe to be an epithelial, com-posite* odontoma. Odontomata sometimes assume considerable size. To be abso-lutely sure in diagnosis, and to be certain of their complete removal, theradiograph should be .:>. The upper arrow points to the permanent lateral incisor. The lower arrow pointsto an odontoma. (Radiograph by Flint, of Pittsburgh.) The case illustrated in Fig. 264 presentsjjg. 264. many interesting features from the standpoint of diagnosis and treatment. The patient was a womanabout thirty-five years of age, who suffered for a number of years frompains in the ear and the tonsilar region, as well as from difficulty in masti-cation and deglutition, while her general health had deteriorated to suchan extent that she became very anemic, having suffered from malnutritiondue, no doubt, to imperfect mastication and the absorption of pus prod-ucts. In this condition she was referred to the extracting specialist whowas unable, from the ankylosis present, to arrive at any definite conclusionas to the possibility of an impacted tooth which was suspected, while theonly evidence that pointed in this direction was a free discharge of pusthrough a fis
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