Anterior crossbite
,
Class II div 1
,
Narrow arches
,
Asymmetric arches
,
Mandibular midline deviation
,
Crowding
,
Rotations
,
Impacted canines

Distalization
,
Leveling curve of Spee
,
Extrusion
,
Intrusion
,
Retraction
,
First premolar extraction
,
Space Closure
,
Elastics: Class II
,
Elastics: Class III
Courtesy of Dr S. Chieh Lin, 2019
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 17
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 17 months

Number of aligners

  • Maxillary: 36 + 19 = 55
  • Mandibulary: 50 + 15 = 65

Aligner Wear time

  • 1-week

Results achieved

  • Class I relationship maintained
  • Class II relationship maintained
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Normal overjet and overbite achieved
  • 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 linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • This was a very difficult extraction case of Class II subdivision with Class I molar over L't side and Class II molar over R't side
  • Severe crowding with canine block out
  • The Treatment plan is 1.5,2.4,3.5 extraction and pay attention to 3.3 during clinical monitoring due to unfavorable root axis
  • The patient was treated successfully within 17 months
  • Very good compliance

Images

Initial and final

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lower
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front
left
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upper
lower
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front
left

Progress

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

Initial Final
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