Mandibular retrognathia
,
Class II div 2

Mandibular advancement
,
Pre Mandibular Advancement Phase
,
Leveling curve of Spee
,
Expansion
,
Proclination
,
Restorative
Courtesy of Dr. K. M. Muñoz, 2020
Before picture of treatment

Teen case of the month

Dr. K. M. Muñoz

We would like to congratulate Dr. Muñoz on this Mandibular advancement case with excellent results and also the 1000th case publication in the Global Invisalign gallery!

Doctor quote: "The science and technology of Invisalign® ITMA offers a device to treat growing class II patients and enables us to simultaneously perform alignment, leveling, and mandibular advancement movements. Teenagers are able to recognize the benefits of aesthetics and comfort that this technique offers and feel highly motivated and committed to the treatment without altering their social life."

Dr. K. M. Muñoz

Treatment Summary

Patient Information

  • Age: 13
  • Gender: female
  • Invisalign Treatment Option: Invisalign Teen with MA

Total Treatment Time

  • 15 months

Number of aligners

  • Maxillary: 44
  • Mandibulary: 44

Aligner Wear time

  • Every 10 days

Retention

  • Maxillary: Invisalign aligner
  • Mandibular: Invisalign aligner

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal overjet and overbite achieved
  • Deepbite improved
  • Overjet improved
  • Significant improvement ofoverbite
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Mandibular pre-advance phase: expansion of the arches to allow mandibular advancement
  • Flattening of the Spee curve (from 0 to 14 aligners).
  • Mandibular advance phase: first 2.2mm jump in aligner 15, second 2mm jaw jump in aligner number 23
  • Transition phase: aligner number 40 to 44.

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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