Class II div 1, Posterior crossbite, Increased overjet, Asymmetric arches, Mandibular midline deviation, Midline shift, Spacing
Distalization
, Leveling Curve of Spee
, Extrusion
, Intrusion
, Expansion
, Retraction
, IPR
, Space Closure
, Elastics: Class II
, Elastics: Class III
Courtesy of Dr V. Laoamata,
2023
Treatment Summary
Patient Information
- Age: 21
- Gender: female
- Invisalign Submission Option: Invisalign Comprehensive
Total Treatment Time
- 17 months
Number of aligners
- Maxillary: 44 + 26 = 70
- Mandibulary: 44 + 26 = 70
Aligner Wear time
- 1-week
Retention
- Maxillary: Vivera retainer
- Mandibular: Vivera retainer
Results achieved
- Class I relationship achieved
- Functional canine guidance on both sides
- Posterior crossbite corrected
- Normal overjet and overbite achieved
- Overjet improved
- Significant improvement of overbite
- 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
- Missing of lower canines made this case encountered Bolton's discrepancy problem.
- Lower first premolars were used as the canine substitution and IPR was performed in lower anterior part to correct Bolton's discrepancy and be able to achieve Class I relationship with normal overjet and overbite.
- Invisalign system is a good appliance for controlling anchorage, therefore distalization in upper arch to achieve Class I relationship position and lower posterior expansion to corrrect arch asymmetry and Brodie bite on the right side were done succesfully.
318 
312 
