Class II div 1, Posterior crossbite, Increased overjet, Deep bite, Asymmetric arches, Mandibular midline deviation, Crowding, Rotations
Distalization
, Mesialization
, Leveling Curve of Spee
, Intrusion
, Retraction
, Second premolar extraction
, Space Closure
, Elastics: Class II
Courtesy of Dr. X. Zhang,
2019
Treatment Summary
Patient Information
- Age: 18
- Gender: female
- Invisalign Submission Option: Invisalign Teen
Total Treatment Time
- 34 months
Number of aligners
- Maxillary: 60 + 15 = 75
- Mandibulary: 49 + 15 = 64
Aligner Wear time
- 2-weeks
Retention
- Maxillary: Other
- Mandibular: Other
Results achieved
- Class I relationship achieved
- Functional canine guidance on both sides
- Posterior crossbite corrected
- Normal overjet and overbite achieved
- Deepbite improved
- Overjet improved
- Midlines coincident
- 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
- To correct the dental class II relationship we distalized the upper molars to simultaneously correct the molar crossbite
- Class II elastics were used in all stages of the treatment to offer anchorage for upper distalization and assistance of lower molar mesialization
- We placed buttons on the lingual surfaces of teeth 1.4, 2.4, 3.7 and 4.7 after aligner 25 to help correct the rotation of teeth 1.4 and 2.4