. The principles and practice of dental surgery. tantly upon the irregular tooth. The ligaturesshould be renewed from day to day, until the tooth assumes itsproper position. Should the space not be sufficient to permitthe use of the band, the method practiced by Mr. Tomes, as shownin Fig. 54, will be found very effective. A plate is fitted to the insideof the arch, and a band carried infront and soldered to projectionsfrom the plate, which pass be-tween the bicuspids. On eachside of the twisted tooth a me-tallic dovetail is fastened andpieces of compressed wood in-serted into them. The swellin
. The principles and practice of dental surgery. tantly upon the irregular tooth. The ligaturesshould be renewed from day to day, until the tooth assumes itsproper position. Should the space not be sufficient to permitthe use of the band, the method practiced by Mr. Tomes, as shownin Fig. 54, will be found very effective. A plate is fitted to the insideof the arch, and a band carried infront and soldered to projectionsfrom the plate, which pass be-tween the bicuspids. On eachside of the twisted tooth a me-tallic dovetail is fastened andpieces of compressed wood in-serted into them. The swellingof the wood gradually turns thetooth. In a few days the metalsockets will require to be changed in position, and in a few weeks the tooth may be thus broughtnearly or quite to its natural place. If the space permits, these two methods may be advantage-ously combined. Use the plate as in Fig. 54 with the innerdovetail; but for the long outside band substitute the band () around the tooth, with a loop on the median side; from this Fig. 152 TREATMENT OF IRREGULARITY OF THE TEETH. pass an elastic ligature to a hook soldered on the plate. Thetooth is turned on its axis by the combined pull of the ligatureand thrust of the wood. Before attempting to turn the deviating organ, it should beascertained if the aperture between the adjoining teeth is suffi-cient to admit of the operation. If not, it should be increasedby the extraction of a bicuspid from each side of the jaw, andmovino- the teeth in front of them backwards until sufficientroom is obtained. The time required to do this will vary fromthree to eight or ten weeks, depending upon the number of teethto be acted on, and the age of the patient. A sufficient spacemay sometimes be gained by pressing outward the adjoiningteeth in cases where they fall within the normal curve of thearch. This may be done by the expansion of wood or rubber,contained in metal sockets attached to the plate, behind eachtooth to be moved. Narro
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