Class I
,
Midline shift
,
Crowding
,
Rotations

Leveling Curve of Spee
,
Intrusion
,
Retraction
,
First premolar extraction
,
Space Closure
,
Overtreatment
Courtesy of Dr. W. Zhang, 2019
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 37
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 22 months

Number of aligners

  • Maxillary: 43 + 33 = 76
  • Mandibulary: 43 + 33 = 76

Aligner Wear time

  • 1-week

Results achieved

  • Class I relationship maintained
  • Functional canine guidance on both sides
  • Normal overjet and overbite achieved
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • With the help of the First premolar extraction solution for moderate anchorage (G6+) Smart Force Feature, we successfully treated this adult crowding case with periodontitis ,by extracting the four first premolars
  • We achieved to create parallel movement of the roots
  • Curve of Spee was leveled successfully

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

Initial Final
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