Class II div 1
,
Posterior crossbite
,
Deep bite
,
Narrow arches
,
Asymmetric arches

Leveling Curve of Spee
,
TADs
,
Overtreatment
,
Elastics: Class II
,
Elastics: Class II in Additional Aligners
,
Extraction
Courtesy of Dr M. Huan Tsai, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 14
  • Gender: male
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 27 months

Number of aligners

  • Maxillary: 52 + 27 + 19 = 98
  • Mandibulary: 52 + 27 + 19 = 98

Aligner Wear time

  • 10 days to 7 days change

Retention

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

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Deepbite improved
  • Overjet improved
  • Significant improvement of¬†overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Curve of Spee leveled
  • Arches aligned and coordinated

Comments

  • In this molar full class II relationship case, we performed upper single arch extraction with TADs to retract upper anterior teeth.
  • The deep bite was solved by leveling the curve of Spee combined with vertical growth of the mandible.

Images

Initial and final

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upper
lower
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front
left
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upper
lower
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front
left

Progress

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

Initial Final
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