Class II div 1, Posterior crossbite, Increased overjet, Open bite, Narrow arches, Asymmetric arches, Maxillary midline deviation, Midline shift, Crowding, Rotations
Distalization
, Mesialization
, Leveling Curve of Spee
, Intrusion
, Expansion
, Retraction
, Other extraction
, Extraction
Courtesy of Dr J. Weng,
2023
Treatment Summary
Patient Information
- Age: 21
- Gender: female
- Invisalign Submission Option: Invisalign Full
Total Treatment Time
- 21 months
Number of aligners
- Maxillary: 70 + 10 = 80
- Mandibulary: 70 + 10 = 80
Aligner Wear time
- 1-week
Retention
- Maxillary: Hawley
- Mandibular: Hawley
Results achieved
- Class I relationship achieved
- Functional canine guidance on both sides
- Posterior crossbite corrected
- Normal overjet and overbite achieved
- 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
- This is a second orthodontic treatment case.
- The patient’s #12 was extracted in the previous orthodontic treatment.
- #24/#35/#45/#18/#28/#38/#48 were extracted in this treatment.
- Moderate anchorage was used to retract the anterior teeth and move the molars' mesially more than 2 mm.
- Upper arch expansion and lower arch constriction was utilized to match the width between upper and lower arches.
- Molar intrusion helped reduce the vertical dimension and correct the anterior open bite.
- No mini-screws were used in this case.
- Normal overjet and overbite relationships were achieved.
- Profile improved.
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