Question 166 · LDEK · Model analysis

Moyer’s Index:

  1. A. describes the correlation between the sum of permanent upper incisors widths SI and the sum of permanent lower incisors widths si.
  2. B. defines the predictable space for premolars and canines (leeway space) based on the sum of permanent lower incisors widths.
  3. C. defines the correlation between the sum of mesiodistal widths regarding maxillary and mandibular permanent teeth.
  4. D. is used to define the arch length perimeter in relation to the sum of mesiodistal widths regarding 12 permanent teeth in the maxilla and mandible.
  5. E. defines the correlation between the upper arch width and the upper facial width.
Hint

This mixed-dentition analysis uses teeth that erupt early and are easy to measure to predict the size of teeth that have not yet erupted.

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