A practical treatise on mechanical dentistry . and the wires tied to the rubber plates. In order that the anteriorteeth may be moved with the greatest force, the arms are so ad-justed that the greatest pressure is exerted on the anterior parts ofthe plate. This appliance is readily removed for cleansing andreturned to place by the patient. Dr. Angles method utilizes the principle of the Coffin springwithout the objectionable features of the rubber plate. It can beused either in the upper or lower arch; and where no greater powerthan the spring affords is needed will prove very efficient. As se
A practical treatise on mechanical dentistry . and the wires tied to the rubber plates. In order that the anteriorteeth may be moved with the greatest force, the arms are so ad-justed that the greatest pressure is exerted on the anterior parts ofthe plate. This appliance is readily removed for cleansing andreturned to place by the patient. Dr. Angles method utilizes the principle of the Coffin springwithout the objectionable features of the rubber plate. It can beused either in the upper or lower arch; and where no greater powerthan the spring affords is needed will prove very efficient. As seenin Fig. 233 a rubber ligature may be attached to the center of thespring and be connected with any cross-bar appliance upon theincisors for drawing them inward when such additional movementis desired. 442 MECHANICAL DENTISTRY. A very excellent method of spreading the arch is that practisedby Dr. C. Heydenhauss, Dentist to the Court of H. R. M., theGrand Duke of Sachsen-Weimar. In a recent interview with Dr. Heydenhauss, he explained his Fig
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1903
