A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . to receive and distribute the force of reaction so as to permit no movement of theunited phalanx. In Fig. 252, the right lingual distributing bow is extra-hard No. 18wire screw attached to the left central band, and bent so as to rest evenly upon thelingual surfaces, and grasped by the attachments of the other teeth, as shown. Theleft lingual bow is semi-hard No. 18 wire, screw-attached also to the left central,and grasped by the other attachments, as shown. The location of the
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . to receive and distribute the force of reaction so as to permit no movement of theunited phalanx. In Fig. 252, the right lingual distributing bow is extra-hard No. 18wire screw attached to the left central band, and bent so as to rest evenly upon thelingual surfaces, and grasped by the attachments of the other teeth, as shown. Theleft lingual bow is semi-hard No. 18 wire, screw-attached also to the left central,and grasped by the other attachments, as shown. The location of the jack will begoverned by the desired movement, and its position changed, as indicated, in theprogress of correction. Arc Jacks The expansion of the lower arch is somewhat more difficult than the upper,because of the required action of the tongue, though patients will frequently bearwithout complaint or special irritation a straight jack crossing the lower arch asfar back as the first premolar. But an extensive distal location is now madeunnecessary by the use of the Arc and Turn-buckle Jacks. Fig. 253. Fig.
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Keywords: ., bookcentury1900, bookdecade1920, bookidpracticaltre, bookyear1921
