- Age: 9
- Gender: male
- Invisalign Treatment Option: Invisalign First
Total Treatment Time
- Maxillary: 22
- Mandibulary: 22
Aligner Wear time
- 1 周
- Maxillary: Hawley
- Mandibular: Hawley
- Aesthetic smile line was achieved
- Arch expansion achieved
- 达到安氏 I 类关系
- Curve of Spee leveled
- Functional overjet and overbite
- The anterior teeth were retracted through the space obtained by arch expansion,
- The space between the two lateral incisors was reserved for alignment.
- Close attention should be paid to whether the expansion rate matches the growth rate.
- Also important is lip and tongue muscle training.