Class III
,
Edge to edge bite
,
Narrow arches
,
Asymmetric arches
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations

Distalization
,
Extrusion
,
Intrusion
,
Expansion
,
Elastics: Class III
Courtesy of Dr K. Fei Fong, 2020
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 24
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 11 months

Number of aligners

  • Maxillary: 10 + 5 = 15
  • Mandibulary: 26 + 13 = 39

Aligner Wear time

  • 1 week

Retention

  • Maxillary: Other clear
  • Mandibular: Fixed/Bonded

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • 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

  • Designed lower right sequential distalization to achieve both side Class I occlusion and correct lower midline to coincide with upper midline
  • Used right side Class III elastics to correct the occlusion problem

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left

Progress

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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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