Stage 4 the remaining lower teeth

How can the rest of the lower teeth be positioned to fit the planned lower incisor position (Fig. 8.16)? Does the case require lower extractions to deal with lower arch crowding, or to allow sufficient retraction of (he lower incisors? Lower premolar extractions assist in the retraction of lower incisors, and are helpful to Class III treatment mechanics in many cases. The dental VTO6 can be used to reach a correct decision. In some Class III marginal extractions cases, second molars may be considered (Case KB, p. 242).

Fig. 8.16 The final stage of Class III treatment planning. It is necessary to assess lower arch crowding or spacing, and decide how to position the rest of the lower teeth to fit the planned lower incisor position.

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