Oral surgery; a text-book on general surgery and medicine as applied to dentistry . Fig. 112.—Impacted BicuspidFound in a Skuul. Also showsunerupted upper third molar. CYSTS FROM DELAYED ERUPTION The teeth do not always erupt at the usual time becauseof some obstruction at the point of usual exit or becauseof cystic or perverted develojoment. In some instances thedevelopment is outward and an enlargement is formed,often so large as to attract the attention of the dentist, who,if he does not suspect the real condition, will send the pa-tient to a surgeon. In this way an operation is too oftenpe


Oral surgery; a text-book on general surgery and medicine as applied to dentistry . Fig. 112.—Impacted BicuspidFound in a Skuul. Also showsunerupted upper third molar. CYSTS FROM DELAYED ERUPTION The teeth do not always erupt at the usual time becauseof some obstruction at the point of usual exit or becauseof cystic or perverted develojoment. In some instances thedevelopment is outward and an enlargement is formed,often so large as to attract the attention of the dentist, who,if he does not suspect the real condition, will send the pa-tient to a surgeon. In this way an operation is too oftenperformed. The principal diagnostic point is the absence of the CYSTS FROM DELAYED ERUPTION 295 tooth, when it should have erupted. While there is somediscomfort—even more than is usual with ordinary erup-tion—the pain is never very severe. There may be nervous-ness, slight fever and loss of appetite, but all symptoms aremild. No operation should be done unless the delay extends over several months, or special reasons exist for sur-. FiG. —Impacted Lower Molar. gical interference, such as suppuration, unusually large tu-mor, etc. If left undisturbed, the teeth will make their ownway through the usual canal. A case in point is that of a girl ten years old, who hadbeen examined by dentists and doctors for a tumor overthe root of the left lower cuspid (figure 117). It was halfan inch in circumference and almost as high, and graduallyincreasing in size. Further examination revealed the same 296 TUMEFACTIONS FROM DEVELOPED TEETH condition just beginning on the opposite side at the samepoint. During the course of the next six weeks, the cuspids


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsurgery, bookyear1912