Bolton's and Howe's analysis

[xylem29]

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Does anyone know how to do (or if it's even possible) a Bolton's and/or Howe's analysis for a patient with mixed dentition when they're permanent premolars and canine's haven't erupted yet, but who's also missing their primary premolars?

Would I just measure the edentulous space in place of the missing teeth?

 

[Twang77]

You can't do the Bolton unless you have all permanent teeth from 1st molar to 1st molar present. Any missing teeth invalidates the analysis.