Class II div 1, Posterior crossbite, Increased overjet, Mandibular retrognathia, Deep bite, Narrow arches, Maxillary midline deviation, Midline shift
Mandibular advancement
, Pre Mandibular advancement phase
, Distalization
, Leveling Curve of Spee
, Intrusion
, Expansion
, Overtreatment
, Elastics: Class II
Courtesy of Dr S. Gong,
2021
Treatment Summary
Patient Information
- Age: 13
- Gender: female
- Invisalign Submission Option: Invisalign Teen with MA
Total Treatment Time
- 30 개월
Number of aligners
- Maxillary: 30 + 28 + 30 + 11 = 99
- Mandibulary: 30 + 28 + 17 + 12 = 87
Aligner Wear time
- 10 일
Retention
- Maxillary: Other clear
- Mandibular: Other clear
Results achieved
- Class I relationship achieved
- Functional canine guidance on both sides
- Posterior crossbite corrected
- Normal overjet and overbite achieved
- 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
코멘트
- In the initial phase, MA used for this adolescent to facilitate mandible advancement.
- With additional aligners, we chose to coordinate the midlines by molar distalization using Class II elastics.
- Cutouts were put on the lingual surface of 36 and 46 to help arch expansion.