Class I
,
Mandibular retrognathia
,
Deep bite
,
Narrow arches
,
Maxillary midline deviation
,
Midline shift
,
Crowding
,
Rotations

Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
IPR
Courtesy of Dr W. Chi Chiu, 2020
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 18
  • Gender: female
  • Invisalign Submission Option: Invisalign Full

Total Treatment Time

  • 18 months

Number of aligners

  • Maxillary: 28 + 29 = 57
  • Mandibulary: 28 + 29 = 57

Aligner Wear time

  • 7-10days

Retention

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer

Results achieved

  • Class I relationship maintained
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • Significant improvement of overbite
  • 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

  • Intrusion was used to level the COS on the lower arch to correct deep bite
  • Expansion and IPR protocols created space for the alleviation of crowding
  • Midline deviation was corrected by unilateral IPR protocols
  • Derotation with optimized attachments on 35 45 were excellent
  • No elastics were used at all in this treatment

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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