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Role of Ortho in Surgery

  • ENVELOPE OF DISCREPENCY
    • Severity as a indicator for orthognathic surgery
    • outlines the limit of hard tissue changes towards the
    •   ideal occlusion
    • soft tissue limitations not reflected
    • amount of changes produced by orthodontics alone
    • Orthodontic tooth movement + growth modification
    • Orthodontics + orthognathic surgery
  • INDICATIONS
  • Severe class II or class III skeletal discrepancy
  • Deep over bite in non- growing patients
  • Severe anterior open bite
  • Extreme vertical excess or deficiency in maxilla or mandible
  • Severe dentoalveolar problem
  • Skeletal asymmetry

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