. Dental materia medica and therapeutics; with special reference to the rational application of remedial measures to dental diseases ... b-lished some preliminary reports concerning this method of treat-ment, but the apparatus used by him was rather special suction cup has to be constructed for each individualcase. A cup for the anterior lower teeth may be made of hardvulcanite, with a rim of soft velum rubber, from a model of theinvolved parts, or a cup may be made from an impression takenin modeling compound. Suitable trays for such work are con- 1 Dill: Schweizer Vierteljahrssc
. Dental materia medica and therapeutics; with special reference to the rational application of remedial measures to dental diseases ... b-lished some preliminary reports concerning this method of treat-ment, but the apparatus used by him was rather special suction cup has to be constructed for each individualcase. A cup for the anterior lower teeth may be made of hardvulcanite, with a rim of soft velum rubber, from a model of theinvolved parts, or a cup may be made from an impression takenin modeling compound. Suitable trays for such work are con- 1 Dill: Schweizer Vierteljahrsschrift fiir Zahnheilkunde, 1901, No. 3. 2 Schroder: Deutsche Monatsschrift fiir Zahnheilkunde, 1907, p. 356. 3 Miller: Lehrbuch der Konservativen Zahnheilkunde, 1908. 4 Schroder: Loc. cit. ARTIFICIAL HYPEREMIA. 421 structed and used as follows f The handle and heels of « lowerAngle impression tray are cut off; a hole a quarter of an inch wideis drilled in the center of the tray, and a piece of brass tubingthree-eighths of an inch long is soldered into the hole; the cupis now trimmed so as to fit the involved area as nearly as pos-. FlGURE 58. Hyperemic Suction Apparatus for the Treatment of Pyorrhea Alveolaris. A specially pre-pared impression cup for the lower incisors, lined with a rim of softened impression compoundand connected hy a piece of rubber tubing- with a suction pump. sible; the tray is filled with modeling compound and an impres-sion is taken of the involved lower anterior teeth, pressing thetray as deeply as possible into position; six or even eight teethmay be covered by the tray. The tray is now removed, and themodeling compound is cut away from the inner surface of the 422 PHYSICAL THERAPEUTICS. cup, leaving only a thick continuous roll of compound coveringthe rim of the tray; the tray is now connected with the syphon, ora strong syringe, or a pump, and the compound rim is slightlywarmed and placed over the soft tissue, the latter being thoroughlydried and cov
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