Mandibular retrognathia
,
Class II div 1
,
Increased overjet
,
Spacing

Mandibular advancement
,
Leveling curve of Spee
,
Extrusion
,
Elastics: Class II in Additional Aligners
Courtesy of Dr T. Lee, 2019
Before picture of treatment

Treatment in the Spotlight

Dr T. Lee

Dr. Quote: "Simultaneous tooth alignment and profile change in Class II teenagers can now be achieved by Invisalign Treatment with Mandibular Advancement Appliance. This case shows that suitable case selection with stepwise clincheck planning, close clinical monitoring together with patient’s compliance are the keys to the success of the treatment. "

Dr T. Lee

Treatment Summary

Patient Information

  • Age: 12
  • Gender: female
  • Invisalign Treatment Option: Invisalign Teen with MA

Total Treatment Time

  • 15 months

Number of aligners

  • Maxillary: 32 + 20 = 52
  • Mandibulary: 32 + 20 = 52

Aligner Wear time

  • 1-week

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Overjet improved
  • Significant improvement of overjet
  • Midlines coincident
  • Curve of Spee leveled
  • Arch form improved
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case

Comments

Overjet Reduction from 9mm to 2.5mm by Invisalign Mandibular Advancement Appliance:

  • 1) MA phase with 3 steps advancements - 1st advancement with stage 1-8, 2nd advancement with stage 9-16, 3rd advancement with stage 17-27
  • 2) Transition phase- stage 28-32
  • 3) Additional Aligners for refinement and settle of posterior occlusion with 20 active stage + Class II elastics.

Images

Initial and final

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

Initial Final
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