Teen case of the month

Dr. H. Ji
We would like to thank Dr. Ji for this severe deepbite case. This case shows an amazing correction that will help this young patient for the rest of his life.
Dr. Quote: " I am very confident with the Invisalign system that has guided me to the easy and predictive treatment of complex and severe malocclusions."
Treatment information
- Age: 15
- Gender: male
- Invisalign Treatment Option: Invisalign Full
Diagnostic Summary
- Class II div 2
- Mandibular retrognathia
- Deepbite
- Narrow arches
- Posterior crossbite
- Asymmetric arches
- Mandibular midline deviation
- Midline shift
- Crowding
- Rotations
Use of:
- Distalization
- Mesialization
- Expansion
- Intrusion
- Leveling Curve of Spee
- Proclination
- IPR
- Elastics: Class II
- TADs
- Optimized rotation attachment (G3) on Buccal 2.3 (UL3), Buccal 3.5 (LL5)
- Power ridge feature (G3) on Buccal 1.1 (UR1), Buccal 2.1 (UL1), Buccal 4.1 (LR1), Buccal 3.1 (LL1)
- Optimized multiplane (G4) on Buccal 1.2 (UR2), Buccal 2.2 (UL2)
- Optimized root control attachments (G4) on Buccal 1.4 (UR4), Buccal 1.5 (UR5), Buccal 2.4 (UL4), Buccal 4.3 (LR3), Buccal 4.5 (LR5), Buccal 3.3 (LL3)
- Optimized deepbite attachments for anchorage (G5) on Buccal 4.4 (LR4), Buccal 3.4 (LL4)
- Precision bite ramp (G5) on Lingual 1.1 (UR1), Lingual 1.2 (UR2), Lingual 2.1 (UL1), Lingual 2.2 (UL2)
Treatment summary
Results Achieved
- Class I relationship achieved
- Functional canine guidance on both sides
- Posterior crossbite corrected
- 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
- Alignment of both arches through derotation
- Arch form improved
- Aesthetic smile line was achieved
- All treatment goals were achieved case
- Harmonic arches were achieved
Total treatment Time
- 17 months
Number of aligners
- Maxillary: 35 + 27 = 62
- Mandibular: 35 + 27 = 62
Aligner wear time
- 1-week
Comments
- Patient with a severe deep overbite which caused attrition of the lower incisor
- To correct buccal crossbite of 1.7 and 2.7, we extracted the 1.8 and 2.8 before the start of orthodontic treatment
- During orthodontic, we could see mandibular growth
Retention
- Maxillary: Fixed/Bonded
- Mandibular: Fixed/Bonded