Class II div 1, Mandibular retrognathia, Deep bite, Narrow arches, Maxillary midline deviation, Mandibular midline deviation, Midline shift, Crowding, Rotations
Mandibular advancement
, Pre Mandibular advancement phase
, Leveling Curve of Spee
, Intrusion
, Expansion
, Proclination
Courtesy of Dr W. Chi Chiu,
2020
Treatment Summary
Patient Information
- Age: 12
- Gender: male
- Invisalign Submission Option: Invisalign Teen with MA
Total Treatment Time
- 18 months
Number of aligners
- Maxillary: 35 + 28 = 63
- Mandibulary: 35 + 28 = 63
Aligner Wear time
- 1 week
Retention
- Maxillary: Other clear
- Mandibular: Other clear
Results achieved
- Class I relationship achieved
- Functional canine guidance on both sides
- Normal overjet and overbite achieved
- Deepbite improved
- Overjet improved
- Significant improvement of overbite
- Significant improvement of overjet
- 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
- Harmonic arches were achieved
Comments
- Expansion was performed to level and align the arches
- Created space for eruption of impacted #25 to provide good posterior support for the use of MA advancement feature.
- Class II malocclusion, the severe deep-bite, and the large overjet were corrected with the the advancement feature
- Alleviation of residual crowding and improvement of the arch form were achieved.
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