A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . CHAPTER XLVIII. MALT URN ED TEETH 341 In nearly all cases which require extensive rotation, and which do not requireinclination movement, it will be found by a little study that reciprocating forcescan in some form be applied. A not uncommon malposition is that of a centralincisor turned one-quarter around and locked in that position by adjoining teeth,as shown in Fig. 242. A No. 19 fork-end jack, resting on a lingual spur hook on themaltumed incisor, exerts a rotating force, th
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . CHAPTER XLVIII. MALT URN ED TEETH 341 In nearly all cases which require extensive rotation, and which do not requireinclination movement, it will be found by a little study that reciprocating forcescan in some form be applied. A not uncommon malposition is that of a centralincisor turned one-quarter around and locked in that position by adjoining teeth,as shown in Fig. 242. A No. 19 fork-end jack, resting on a lingual spur hook on themaltumed incisor, exerts a rotating force, the reaction of which being received uponthe lingual bar attached to the right central, cuspid, and molar, sustains the integ-rity of the arch, and exerts a uniform expanding force to open the space; while Fig. 242. Fig.
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