Orthodontia practically treated : designed for the use of both practitioner and student / by Miland A. Knapp.

  • Knapp, Miland Austin, 1868-
Date:
1904
Catalogue details

Licence: Public Domain Mark

Credit: Orthodontia practically treated : designed for the use of both practitioner and student / by Miland A. Knapp. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

    346/424 (page 334)
    These rubbers should be renewed twice a week and serve to draw the centrals and laterals toward each other until in contact. As soon as this is accomplished the rubbers are re- moved and either a piece of retaining and connecting' band placed over the studs to hold the teeth together, or the stud bar nuts may be wired together with band wire No. 30. 326. Fig. 456 shows a case where the central had erupted inside the line of the arch. The patient was six years old. A studded band was cemented to the central, a piece of retaining Fig. 456. and connecting band punched to fit over the stud of the band and cut narrower at each end. One end projected over the left central and the other over the temporary right cuspid as the right lateral was not yet in position. It was necessary to cut* Fig- 457- this pari from a No. 39 as the end of a retaining clamp No. 37 would not 1m- Long enough to reach to the cuspid. The appli- ance operated by spring action and was composed of the parts sh< mil in Fig. 457. 327. Fig. 458 •-hows an appliance which operates by spring action in position to expand the lower arch. Studded bands were cemented to the cuspids with the studs projecting lingual- ]v and studded screw hands were placed on the second bicus