Class II div 1
,
Narrow arches
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations

Intrusion
,
Expansion
,
Retraction
,
First premolar extraction
,
IPR
,
Elastics: Class II
,
Elastics: vertical
Courtesy of Dr V. Laoamata, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 23
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 18 months

Number of aligners

  • Maxillary: 57 + 11 = 68
  • Mandibulary: 57 + 16 = 73

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • First premolars extraction protocol was used for correction of crowding and anterior protrusion.
  • Class II elastic combined with vertical elastic helped anchorage reinforcement and prevented mesial crown tip of the molars.

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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