Treatment Summary
Patient Information
- Age: 9
- Gender: female
- Invisalign Submission Option: Invisalign First
Total Treatment Time
- 20 months
Number of aligners
- Maxillary: 40 + 22 + 27 = 89
- Mandibulary: 40 + 22 + 22 = 84
Retention
- Maxillary: Hawley
- Mandibular: Hawley
Results achieved
- Class I relationship maintained
- Anterior crossbite corrected
- Normal overjet and overbite achieved
- Deepbite improved
- Overjet improved
- Midlines coincident
- Proper axial inclination of incisors
- Curve of Spee leveled
- Arches aligned and coordinated
- Alignment of both arches through derotation
- Arch form improved
- Aesthetic smile line was achieved
- All treatment goals were achieved case
- Harmonic arches were achieved
Comments
- Use expansion and IPR to relieve the severe crowding.
- After flattening the curve of Spee, the mandible will jump to the proper position, and combined with growth, the mandible advance to the proper position.
- Upper 2-2 retraction can solve the protrusive lips.
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