Class I
,
Class II div 1
,
Narrow arches
,
Mandibular midline deviation

First premolar extraction
,
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: 16
  • Gender: female
  • Invisalign Submission Option: Invisalign Full

Total Treatment Time

  • 34 months

Number of aligners

  • Maxillary: 49 + 20 + 23 = 92
  • Mandibulary: 49 + 20 + 23 = 92

Aligner Wear time

  • 10 days to 5 days change

Retention

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • NormalĀ  overjet and overbite achieved
  • Overjet improved
  • Midlines coincident
  • Curve of Spee leveled

Comments

  • For this bi-maxillary protrusion case, we extracted four bi-cuspids to retract the anterior teeth.
  • Additional aligners with elastics were used to finish the occlusion and center the midline.

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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