Class II div 2
,
Increased overjet
,
Deep bite
,
Narrow arches
,
Mandibular midline deviation
,
Crowding
,
Rotations

Leveling Curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
Proclination
,
IPR
,
Restorative
,
Elastics: Class III
Courtesy of Dr Q. Chen, 2024
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 31
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 24 months

Number of aligners

  • Maxillary: 45 + 21 + 28 = 94
  • Mandibulary: 48 + 24 + 31 = 103

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Fixed/Bonded
  • Mandibular: Fixed/Bonded

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • Overjet improved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • 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

  • Invisalign treatment works well in deep bite cases.
  • The upper incisors were upright and achieved normal angulation.
  • Class II elastics were used to enhance maxillary anchorage and help retract incisors.
  • The upper and lower arches were expanded by 2 mm per side (posterior).
  • Posterior functional displaced mandible was repositioned after arch expansion and class II elastics.
  • No black triangle was found after treatment with IPR was performed on lower front teeth.
  • Lip posture and facial profile were improved after front teeth retraction.
  • 11 was restored after treatment.

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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