A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . Dr. Jerry A. Robinson of Jackson, Michigan, employed this same principle, usingsilk ligatures instead of rubber, by tying them to the necks of the teeth in a casequite similar to Fig. 274, for a young man living in his family. The traction liga-ture was removed at meal times. The correction was accomplished in a short time,and retained by tying the ligatures to adjoining teeth. Fig. Dr. Angle would probably not advocate today the boring of a hole in theface of a cuspid, as
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . Dr. Jerry A. Robinson of Jackson, Michigan, employed this same principle, usingsilk ligatures instead of rubber, by tying them to the necks of the teeth in a casequite similar to Fig. 274, for a young man living in his family. The traction liga-ture was removed at meal times. The correction was accomplished in a short time,and retained by tying the ligatures to adjoining teeth. Fig. Dr. Angle would probably not advocate today the boring of a hole in theface of a cuspid, as shown in Fig. 273. When a band or lightly attached cap witha hook attachment cannot be secured to a tooth, a hole can usually be bored for *The author, who was a student of Dr. Robinsons during the time of the above operation, was told that this wasthe common method of correcting the position of short teeth. From this it may be seen that direct intermaxillaryforce was employed in dentistry much earlier than has been supposed. CHAPTER LI. IMPACTIONS 369 a pin at a point where it will not ultimately be a defacement. In Chapter XVIII under Construction of Regulating Bands, is described the method of banding partially erupted cuspids. The Impaction of Second Bicuspids Fig. 275 shows casts and radiograms of a boy fourteen years of age. The pre-mature loss of the lovv-er second deciduous molars had permitted the adjoiningteeth to completely close the space for the second premolars, as shown by modelA
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