. Elementary and dental radiography . e in extraction. Fig. 159 is a case of Dr. Oyers. I quote Dr. Oyer: Fig. 159shows an impacted, lower, third molar resting against the posterior rootof the second molar. It will be seen that the root of the second molar ismuch absorbed, which caused considerable trouble. Removal of the sec-ond molar gave relief to the patient. . The upper third molar isin an awkward position. Figs. 160 and 161 show impacted upper thirdTlflS. 160 and 161. molars. The value of these radiographs to the ope-rator, about to extract, is apparent. This radiograph (Fig. 162) shows


. Elementary and dental radiography . e in extraction. Fig. 159 is a case of Dr. Oyers. I quote Dr. Oyer: Fig. 159shows an impacted, lower, third molar resting against the posterior rootof the second molar. It will be seen that the root of the second molar ismuch absorbed, which caused considerable trouble. Removal of the sec-ond molar gave relief to the patient. . The upper third molar isin an awkward position. Figs. 160 and 161 show impacted upper thirdTlflS. 160 and 161. molars. The value of these radiographs to the ope-rator, about to extract, is apparent. This radiograph (Fig. 162) shows the surgeon fig. |^2. just how much bone must be dissected away before the malposed tooth can be removed. Patients seldom lyo DENTAL RADIOGRAPHY know that the removal of a tooth is not always a simple operation. Theyare therefore inclined to blame the operator if the tooth is not quicklyremoved, instead of crediting him with working dexterously on a difficultoperation. They are likewise unwilling to pay a fee in proportion to the. ■ 1 uppei and lower third molar. Absorption of the distal root of the lowersecond molar. (Radiograph by Iancoast, of Philadelphia.) difficult) i the operation, as compared t other operations. The removaloT the third molar, shown in Fig. 162, is a more difficult operation than tlieremoval of a vermiform appendix. By showing patients radiographs ofsuch cases the dentist will gain their earnest, intelligent will know just what is done for them, and for the first time in their THE USES OF THE RADIOGRAPH IN DENTISTRY 171 lives they will understand that the extraction of a tooth may be a serious,difficult and expensive operation. The following report of this case is by Dr. F. K. Tig. 163. Ream, of Chicago. Patients age, seventy-two years. Symptoms: Swelling near symphysis thought to be the result of wearing an artificial denture. Considerable pain. Diagnosed


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