. Orthodontia, or malposition of the human teeth; its prevention and remedy . ing as before. Tension is thus keptup until the tooth has assumed the desired position. Some-times the spring of the band may be advantageously supple-mented by other aids, asthe insertion of a rubberwedge (under the band) atpoints where a particulargain is desired. Figs. 26, 27 and 28 illus-trate the general appear-ance of the appliance insome of its forms. Figs. 26 and 27 wereused to draw in projectingincisors in the case of ayoung lady, aged 18. Themovement was assisted byrubber wedges placed be-tween the band and
. Orthodontia, or malposition of the human teeth; its prevention and remedy . ing as before. Tension is thus keptup until the tooth has assumed the desired position. Some-times the spring of the band may be advantageously supple-mented by other aids, asthe insertion of a rubberwedge (under the band) atpoints where a particulargain is desired. Figs. 26, 27 and 28 illus-trate the general appear-ance of the appliance insome of its forms. Figs. 26 and 27 wereused to draw in projectingincisors in the case of ayoung lady, aged 18. Themovement was assisted byrubber wedges placed be-tween the band and thelabial surfaces of the teeth. The connecting band wascut and shortened everyother day, the patient hav-ing a sitting every day toallow the band to besprung more as the teethmoved away from it. Fig. 28 represents the form of appliance used by in drawing forward the lower incisors, and pressingback the cuspids at the same time. The band clasped thefirst molars of each side and passed around the cuspids andback of the incisors. By cutting and shortening the band. Byrnes Band Regulators. MATERIALS AND METHODS. 97 from time to time as the teeth yielded to the pressure, theirregularity was easily and quickly corrected. YiG. 29. Fig- 29 shows another form of corrugated bandused to press forward theFig. 30.
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