Class II div 1, Increased overjet, Mandibular retrognathia, Deep bite, Narrow arches, Asymmetric arches, Mandibular midline deviation, Midline shift, Crowding
Distalization
, Mesialization
, Leveling Curve of Spee
, Intrusion
, Expansion
, Retraction
, First premolar extraction
, IPR
, Space Closure
, Overtreatment
, Elastics: Class II
, Extraction
Courtesy of Dr Q. Chen,
2021
Treatment Summary
Patient Information
- Age: 15
- Gender: male
- Invisalign Submission Option: Invisalign Teen
Total Treatment Time
- 21 months
Number of aligners
- Maxillary: 54 + 21 + 22 = 97
- Mandibulary: 54 + 21 + 22 = 97
Aligner Wear time
- 1-week
Retention
- Maxillary: Hawley
- Mandibular: Hawley
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
- Arch form improved
- Aesthetic smile line was achieved
- All treatment goals were achieved case
- Harmonic arches were achieved
Comments
- Class II elastics were used in the first phase of treatment.
- Modified G6 attachment design was used in the first phase of treatment as the posterior teeth had a short dental crown.
- Deep over-bite and protrusive were high efficiently corrected in 51 weeks.
- All the aligners were used for a week and the treatment was finished in 21 months.
- Good anterior guidance and canine guidance were achieved.
- Both the patient and his parents were quite satisfied with the treatment outcome.