Envelope Of Discrepancy In Orthodontics

Envelope Of Discrepancy In Orthodontics

Write short note on envelope of discrepancy.
Answer.

“Understanding the role of the envelope of discrepancy in treatment planning”

Envelope of discrepancy indicates that how much is the change obtained by the various methods of treatment.

• Inner circle shows the limits of an orthodontic treatment.
• Middle circle shows the limit to tooth movement combined along with growth modifiation.
• Outer circle indicates surgical correction.
• Possibility of each treatment is not symmetric with regards to the plane of space.
• Envelope of discrepancy acts as a guideline for the indication of three types of treatment, i.e.:

“Common challenges in applying the envelope of discrepancy effectively”

• • Camouflage
  • Orthodontics + growth modification
  • Orthodontics + surgery

“Importance of studying the envelope of discrepancy for better results”