. Orthodontia, or malposition of the human teeth; its prevention and remedy . Band and Wire Retainer. 88 Fig. 22. vening teeth. It was used to retain three incisor teeth thathad been drawn inward. Fig. 21 ilhistrates a retainer of nearly similar characterfor the lower incisors. In this case a band of gold takes theplace of the wire on account of its greater stiffness. Retaining appliances of this character cannot, of course,Fig. 21. t)e used to advantage in all /^ ~ .«^=fe_. cases; but where they carf they will be found to be T^^^it ^lIL/r Prof. Angle uses a
. Orthodontia, or malposition of the human teeth; its prevention and remedy . Band and Wire Retainer. 88 Fig. 22. vening teeth. It was used to retain three incisor teeth thathad been drawn inward. Fig. 21 ilhistrates a retainer of nearly similar characterfor the lower incisors. In this case a band of gold takes theplace of the wire on account of its greater stiffness. Retaining appliances of this character cannot, of course,Fig. 21. t)e used to advantage in all /^ ~ .«^=fe_. cases; but where they carf they will be found to be T^^^it ^lIL/r Prof. Angle uses a retain- ing appliance differing fromthe foregoing in having atube soldered horizontallyto the band that encircles the tooth. The tooth once inposition a wire is passed tlirough the tube and made to restupon the adjoining teeth, after whicha hole is drilled through both tube andwire and a short pin inserted to preventthe wire from shifting its Fig. 22. Another simple and ingenious devicefor retaining teethalter they havebeen moved, espe-cially after rota-tion, was shownthe author by A. Baker. I
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