Class II div 1, Increased overjet, Mandibular retrognathia, Deep bite, Crowding, Rotations
Mandibular advancement
, Pre Mandibular advancement phase
, Leveling Curve of Spee
, Extrusion
, Intrusion
, Expansion
, Retraction
, Proclination
, Overtreatment
, Elastics: Class II
Courtesy of Dr J. Chun Hao Lin,
2020
Treatment Summary
Patient Information
- Age: 16
- Gender: male
- Invisalign Submission Option: Invisalign Teen with MA
Total Treatment Time
- 22 months
Number of aligners
- Maxillary: 54 + 44 = 98
- Mandibulary: 54 + 44 = 98
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
- 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
- Harmonic arches were achieved
Comments
1. Mandibular advance with the Precision Wings are very useful for deep bite improvement.
2. This treatment is a combination of expansion, proclination and intrusion of lower dentition
3. In the Additional Aligner phase class II elastics are used to maintain jaw relation and to help close posterior open bite.