. Dental electro-therapeutics. in the presence of pusand micro-organisms, forming spaces about the sockets ofthe teeth into which pus collects. It may occur in onlyone or two teeth (see .-r-ray, Fig. 143) as the starting-pointof a general merging from a less advanced stage of perio-dontal disease into this suppurative condition. It is un-necessary to dilate on the general symptoms of pyorrhoeaalveolaris, they are well known to all. It is unfortunatewhen it is not recognized in the earlier stages and treated,for then it is readily cured. Electrical treatment in acute cases of pyorrhoea alveo-la
. Dental electro-therapeutics. in the presence of pusand micro-organisms, forming spaces about the sockets ofthe teeth into which pus collects. It may occur in onlyone or two teeth (see .-r-ray, Fig. 143) as the starting-pointof a general merging from a less advanced stage of perio-dontal disease into this suppurative condition. It is un-necessary to dilate on the general symptoms of pyorrhoeaalveolaris, they are well known to all. It is unfortunatewhen it is not recognized in the earlier stages and treated,for then it is readily cured. Electrical treatment in acute cases of pyorrhoea alveo-laris is undoubtedly a great help in combating the suppuration can always be checked by ionic steriliza- TREATMENT OF PYORRHCEA ALVEOLARIS 289 tion, provided the many causes of a mechanical or irritat-ing nature are recognized and removed. The writer is ofthe opinion that predisposing and constitutional compli-cations are more often an effect than a cause, and theydisappear after the disease has been cured. Fig. 143. The treatment consists of carrying out the conditions re-ferred to in respect to the removing of calculus (see p. 2S0).During this long and tedious process the pockets shouldbe sterilized by passing a zinc electrode wound with cottonwool carrying 3 per cent, solution of zinc chloride intothem, the electrode should be kept steady in one positionwhile the current is being turned on; in this way it is oftenpossible to use a larger current strength, 5 ma. should bethe amount aimed at; in the interspaces of molars it issometimes possible to use 10 to 15 ma. The stronger thecurrent the deeper will be the penetration of ions, and themore perfect the sterilizing effect. The electrode should bekept in position for a minute or two at a time and movedto an adjoining part of the affected area for the same spaceof time, returning to the original spot after medicatingother parts; this makes the operation less irksome to patientand operator. The dose of ions will depend
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