Class II div 1
,
Posterior crossbite
,
Increased overjet
,
Open bite
,
Narrow arches
,
Maxillary midline deviation
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations

Mesialization
,
Retraction
,
First premolar extraction
Courtesy of Dr. M. Kubota, 2019
Before picture of treatment

Treatment in the Spotlight

Dr. M. Kubota

We would like to thank Dr. Kubota for submitting this great example of a premolar extraction case with the use of Optimized G6 First premolar extraction solution for maximum anchorage SmartFroce features.

Dr. Quote: "I'm very happy that the Invisalign treatment with premolar extraction has been very successful in such a complex and difficult case. "

Dr. M. Kubota

Treatment Summary

Patient Information

  • Age: 22
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 26 months

Number of aligners

  • Maxillary: 67 + 10 = 77
  • Mandibulary: 67 + 10 = 77

Aligner Wear time

  • 8 days

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Posterior crossbite corrected
  • Normal overjet and overbite achieved
  • Significant improvement of overjet
  • Midlines coincident
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Sequential movement during space closure was effective to prevent any undesirable molar tipping
  • Bite ramps were used to prevent anterior occlusal interference.
  • Short Class II elastics were used to obtain Class I molar relation

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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