The Dental cosmos . the central incisors, lateral, and canine,resting on the partial clasps, with theends on the labial side extending perpen-dicularly toward the gum to assist the an-chorage and to prevent the appliancefrom being dislodged during mastication. The sides of the device were connectedby a palatal base-wire. A semicircularspring with two U-shaped loops was ar-ranged with the ends extending to the an-chorage portions. All of the parts wereunited with solder. The bite was opened on the opposite side of the arch. The bitebeing opened in this manner did not in-terfere with mastication
The Dental cosmos . the central incisors, lateral, and canine,resting on the partial clasps, with theends on the labial side extending perpen-dicularly toward the gum to assist the an-chorage and to prevent the appliancefrom being dislodged during mastication. The sides of the device were connectedby a palatal base-wire. A semicircularspring with two U-shaped loops was ar-ranged with the ends extending to the an-chorage portions. All of the parts wereunited with solder. The bite was opened on the opposite side of the arch. The bitebeing opened in this manner did not in-terfere with mastication, and permittedthe outward movement of the invalidingteeth when force was applied by means ofthe looped spring. The anterior part ofthe spring was retained by a lug on acollar cemented to the canine. The regu-lating was completed in a limited timeand with no special discomfort to the pa-tient. In Fig. 1*2 is seen the position ofthe teeth, and the partial upper and lower 350 THE DENTAL COSMOS. plates, which served fo
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