Class III
,
Anterior crossbite
,
Open bite
,
Narrow arches
,
Mandibular midline deviation
,
Crowding
,
Rotations

Elastics: Class III
,
Leveling curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
Proclination
,
IPR
Courtesy of Dr K. Sung Chung, 2019
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 41
  • Gender: female
  • Invisalign Treatment Option: Invisalign Lite

Total Treatment Time

  • 8 months

Number of aligners

  • Maxillary: 14 + 14 = 28
  • Mandibulary: 14 + 14 = 28

Aligner Wear time

  • Initial set of aligners changed at 2 weeks interval for 1 month, then changed at 7 days interval after corticotomy was done until the end of treatment

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Posterior 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
  • Harmonic arches were achieved

Comments

  • Anterior cross bites was corrected by retroclination of lower incisors and proclination of upper lateral incisors
  • Crowding was resolved with expansion and IPR
  • Class III relationship was corrected with Class III elastics to a Class I relationship
  • Over bite was improved by extrusion of incisors
  • Bolton Excess in lower arch was improved by performing IPR.
  • Corticotomy was performed using piezotome between premolars to premolars in both arches.
  • Aligners changed at weekly interval after corticotomy was done

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

Initial Final
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