Excerpt from The Dental Review, 1908, Vol. 22: Devoted to the Advancement of Dental Science
The principal symptom is the pain, similar to the chronic dento alveolar inﬂammation, which in fact always coexist in a certain degree. The pain is local and reﬂex; the root is painful to percussion; the overlying gum tissue is slightly more red than normal, but is not painful to the touch; the root is very loose. A good symptomatic sign is afforded by the ﬂowing of a sero-purulent liquid from the radicular canal and it can not be stopped by any means. The anti septic canal dressing is useless. B-ut such a fact is common also to canal perforations, but then the perforation can be detected, the root is not painful to the touch and a dressing with alum stops the dis charge.
Unilocular Cysts - Congenital or not, the unilocular cysts after reaching a certain volume do not excite any pain. They are equally common in both jaws. They usually are not any larger than a man darin, but occasionally they can reach the volume of a child's head. According to its volume and consequently the more or less destruction of' the bony wall, the palpation gives a sense of hardness or ﬂuctuation or the peculiar parchment-like crepitation. In general they are not movable at their nares. The oral mucus is movable upon the tumor and is stasio. If the tumor has a fistula, caused usually by the ex traction of the root in causa, the round form of the cavity and its dimension can be detected with an explorator.
The condition of the dental system is important. If the cyst is noncongenital, the teeth in connection with it are decayed and loose. If the cyst is congenital we must look for the trouble which caused it during the evolution of the teeth. We can find malpositions or absence of teeth. The disease is local and generally health is not injured. Some of the symptoms are in relation with the origin and seat of the cyst.
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