The Dental cosmos . en incorporating enough powder to make astiff paste. The filling is inserted in the same manner as a simplecement filling. 2 2 THE DENTAL COSMOS. The experience with this combination has not yet been sufficientlyextensive to admit of forming a definite opinion as to its value. It isclaimed for it that it possesses adhesive properties equal to or nearlyequal to those of the phosphate cement alone, that it is sufficientlyhard to resist the action of mastication (of this there can be nodoubt), and, which is of greatest importance, that it is not alteredby the action of the ora
The Dental cosmos . en incorporating enough powder to make astiff paste. The filling is inserted in the same manner as a simplecement filling. 2 2 THE DENTAL COSMOS. The experience with this combination has not yet been sufficientlyextensive to admit of forming a definite opinion as to its value. It isclaimed for it that it possesses adhesive properties equal to or nearlyequal to those of the phosphate cement alone, that it is sufficientlyhard to resist the action of mastication (of this there can be nodoubt), and, which is of greatest importance, that it is not alteredby the action of the oral fluids to any appreciable extent. It is well worth a trial. I have found it in two cases particularly serviceable in setting pivot-teeth with very short pivots, where cement alone had utterly failed. Regulation Supplemented by Bridge-Work. BY R. WALTER STARR, , PHILADELPHIA, PA. A lady patient, of about twenty-four years, presented a case of aperplexing kind, which Fig. i makes sufficiently apparent. Fig. A suction chambered plate had long been worn, but the excessiveprojection of the superior cuspids had made impossible a conformingarrangement of artificial incisors by the first or any subsequent pros-theticist. Preliminary regulation was finally decided upon, and astrong rubber ring was stretched to embrace the divergent cuspid andsecond bicuspid of the right side. The interaction of these upon eachother soon brought them upright, and then a vulcanite vault plate wasmade with sheet metal clasps to include the molars, bicuspids, andright cuspid. A pulling jack-screw was then by a collar attached tothe left cuspid and to a pin in the plate near the right cuspid, and theresult is shown in Fig. 2. Both cuspid crowns were then removed by first cutting aroundthem with a small diamond disk a groove at about a sixteenth of aninch from the gum, and then with the excising forceps quickly cutting REGULATION SUPPLEMENTED BY BRIDGE-WORK. 23 off the crowns. The pulps were painl
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