Stage 3 the remaining lower teeth

I low can the rest of the lower teeth be positioned to fit the planned lower incisor position? I low is any lower spacing to be managed? Does this need to be an extraction case to deal with lower crowding? The dental Vl'O (p. 227) can be used at this stage of the planning process, to reach a correct extraction decision. The primary factors are crowding, curve of Spee, and midlines. The secondary factors are expansion, distalization of molars, inter-proximal enamel reduction, and 'E' space. The orthodontist's view about the possible amount of expansion and the acceptable degree of lower incisor proclination will be variables.

Fig. 7.8 The third treatment planning stage concerns lower arch crowding or spacing, and the extraction decision. How can the rest of the lower teeth be positioned to fit the planned lower incisor position, and will extractions be needed?

Fig. 7.8 The third treatment planning stage concerns lower arch crowding or spacing, and the extraction decision. How can the rest of the lower teeth be positioned to fit the planned lower incisor position, and will extractions be needed?

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