A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . CHAPTER XXIV Type B, Division 1. Class I BILATERAL MALERUPTION OF CUSPIDS CORRECTED WITHOUT EXTRACTION Bilateral malemption of the cuspids is subject to the same rules in diagnosisand prognosis as those which govern the Unilateral characters. The correctionof these cases usually requires less skill, because the applied forces being reciprocallybilateral, balance each other and thus aid in preserving the symmetry of the arch. Fig. When the dental arch is not contracted late
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . CHAPTER XXIV Type B, Division 1. Class I BILATERAL MALERUPTION OF CUSPIDS CORRECTED WITHOUT EXTRACTION Bilateral malemption of the cuspids is subject to the same rules in diagnosisand prognosis as those which govern the Unilateral characters. The correctionof these cases usually requires less skill, because the applied forces being reciprocallybilateral, balance each other and thus aid in preserving the symmetry of the arch. Fig. When the dental arch is not contracted laterally, and the cuspid spaces areonly partially closed, the apparatus shown in Fig. 137 will usually be found suffi-ciently effective for the entire correction. An arch push bow. No. 18, or 19, attachedto the incisors, as shown, reacts upon the buccal teeth through the medium of thesame character of reciprocating anchorage attachments that were described in theapparatus shown in Fig. 133, which is constructed with a view of inducing a distalmovement of the buccal teeth upon one side. 209 210 PART VI. DENTO-FACIAL MALOCCLUSIONS In the diagnosis of all characters of irregularities, and especially those of thisclass, the occlusion of the teeth in relation to the facial outlines is of the greatestimportance. In a large proportion of cases of this character, the buccal teeth have movedslightly forsvard of their normal occlusion, which may be corrected by the reactionof the bow alone, but it will be seen that this force is only that which reacts fro
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