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.

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    the upper incisors slanted forward, as shown in Fig. 552. When this is the case it is necessary that the incisal edges of the teeth should remain as they are while the roots are moved forward. To accomplish this the appliance shown in Figs. 553 and 554 has proved very effective. This is also the best form of appli- ance to use for tipping the roots of only one or two teeth. Fig- 553- In this particular case studded bands were cemented to cen- trals and laterals with the studs as near as possible to the incisal edges of the teeth on the labial surface, and the buttons near the gum on the lingual surface. Double socket screw bands wire clamped on the molars with the clutch tubes on the lin- gual surface of the teeth and the long screw projecting an- teriorly on the buccal side of tbe arch. An arch bar was placed in the clutch tubes of the molar bands, resting against the incisor teeth between the buttons of the bands and the gum. A piece of connecting band No. 39 was fitted to tbc anterior part of the arch, a hole punched in each end and the ends bent at right angles as shown at II. in order that the ends may be clamped between the screw band nuts A and B, C and ]), on the -'Tew- of the molar bands. Two-thirds of the width of tbe