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ORTHOPEDEIC CORRECTION OF CLASS3 USING PROTRACTION OF HEADGEAR

 

  • Convergent facial type
  • Antero-posterior functional shift
  • Symmetrical condylar growth with growth remaining
  • Mild skeletal disharmony ANB<-2
  • Good co operation expected
  • No familial prognathism
  • Good facial aesthetics
  •   Divergent facial type
  •   No antero-posterior shift
  •   Poor facial aesthetics
  •   Familial pattern established
  •   Severe skeletal disharmony ANB >-2
  •   Poor co operation

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