Class II div 1
,
Anterior crossbite
,
Narrow arches
,
Asymmetric arches
,
Maxillary midline deviation
,
Mandibular midline deviation
,
Crowding

Intrusion
,
Expansion
,
Proclination
,
IPR
,
Elastics: Class II
Courtesy of Dr Q. Chen, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 13
  • Gender: male
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 17 months

Number of aligners

  • Maxillary: 43 + 16 + 11 = 70
  • Mandibulary: 46 + 19 + 14 = 79

Aligner Wear time

  • 1-week

Retention

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

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Midlines coincident
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved 

Comments

  • Invisalign is good for class II correction and mid-line correction.
    Class II elastics were used in all phases to enhance maxillary anchorage and correct class II relationship.
  • The upper and lower arches were expanded by 1.5mm per side at the premolar and canine areas.
  • Canine relationships were adjusted with normal incisor overjet and overbite relationships.
  • Total treatment time was 17 months which pleased the patient.

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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