Class II div 1
,
Posterior crossbite
,
Increased overjet
,
Mandibular retrognathia
,
Deep bite
,
Narrow arches
,
Maxillary midline deviation
,
Midline shift

Mandibular advancement
,
Pre Mandibular advancement phase
,
Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Overtreatment
,
Elastics: Class II
Courtesy of Dr S. Gong, 2021
Before picture of treatment

Treatment Summary

Patient Information

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

Total Treatment Time

  • 30 months

Number of aligners

  • Maxillary: 30 + 28 + 30 + 11 = 99
  • Mandibulary: 30 + 28 + 17 + 12 = 87

Aligner Wear time

  • 10 Days

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • In the initial phase, MA used for this adolescent to facilitate mandible advancement.
  • With additional aligners, we chose to coordinate the midlines by molar distalization using Class II elastics.
  • Cutouts were put on the lingual surface of 36 and 46 to help arch expansion.

Images

Initial and final

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upper
lower
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front
left
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Progress

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lower
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InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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