Anterior crossbite, Class II div 1, Narrow arches, Asymmetric arches, Mandibular midline deviation, Crowding, Rotations, Impacted canines
Distalization
, Leveling Curve of Spee
, Extrusion
, Intrusion
, Retraction
, First premolar extraction
, Space Closure
, Elastics: Class II
, Elastics: Class III
Courtesy of Dr S. Chieh Lin,
2019
Treatment Summary
Patient Information
- Age: 17
- Gender: female
- Invisalign Submission Option: Invisalign Full
Total Treatment Time
- 17 months
Number of aligners
- Maxillary: 36 + 19 = 55
- Mandibulary: 50 + 15 = 65
Aligner Wear time
- 1-week
Results achieved
- Class I relationship maintained
- Class II relationship maintained
- Functional canine guidance on both sides
- Anterior crossbite corrected
- Normal overjet and overbite achieved
- 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 linewas achieved
- All treatment goals were achieved case
- Harmonic arches were achieved
Comments
- This was a very difficult extraction case of Class II subdivision with Class I molar over L't side and Class II molar over R't side
- Severe crowding with canine block out
- The Treatment plan is 1.5,2.4,3.5 extraction and pay attention to 3.3 during clinical monitoring due to unfavorable root axis
- The patient was treated successfully within 17 months
- Very good compliance
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