Class II div 1
,
Increased overjet
,
Mandibular retrognathia
,
Deep bite
,
Narrow arches
,
Asymmetric arches
,
Mandibular midline deviation
,
Midline shift
,
Crowding

Distalization
,
Mesialization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
First premolar extraction
,
IPR
,
Space Closure
,
Overtreatment
,
Elastics: Class II
,
Extraction
Courtesy of Dr Q. Chen, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 15
  • Gender: male
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 21 months

Number of aligners

  • Maxillary: 54 + 21 + 22 = 97
  • Mandibulary: 54 + 21 + 22 = 97

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • 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
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Class II elastics were used in the first phase of treatment.
  • Modified G6 attachment design was used in the first phase of treatment as the posterior teeth had a short dental crown.
  • Deep over-bite and protrusive were high efficiently corrected in 51 weeks.
  • All the aligners were used for a week and the treatment was finished in 21 months.
  • Good anterior guidance and canine guidance were achieved.
  • Both the patient and his parents were quite satisfied with the treatment outcome.

Images

Initial and final

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InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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