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 Treatment 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 was 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 final treatment outcome.

Images

Initial and final

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

Initial Final
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