Align Global Gallery

Invisalign Submission Option: Invisalign First

Year: 2022	Difficulty Level: Intermediate
Age: 8	Treatment Time: 26280 hours
Gender: Female

Dr. Shuangyu Yang

11318

Invisalign First

Patient Chief Concern
Can not smile naturally

What learning would you share with other Invisalign providers?
We should control the vertical direction of the anterior alveolar bone and posterior relationship to guarantee that lower incisors can have normal contact with upper incisors as to have correct overbite and overjet.

What contributed most to this treatment being successful?
Vertical control of anterior teeth during growth

Clinical Indications

Class II div 1
Crowding
Deep bite
Increased overjet
Narrow arches

1. upper arch and lower arch are both square shape which is bad for smile line and tooth alignment; 2. both the upper and lower arches are narrow for the buccal segment; 3. slightly crowding the anterior theeth; 4. deep overbite and increased overjet; 5. steep occlusal plane leading to clockwise gwoth direction of mandible; 6. Class II relationship for both sides molar relationship.

Modalities

Leveling Curve of Spee
Mandibular advancement
Palatal Expansion
Pre Mandibular Advancement Phase

1. expansion of upper and lower arches for preparation of unerupted teeth and also for anterior teeth alignment; 2. vertical control of anterior heigth to decrease the deep overbite; 3. use mandible advancement of additional aligners to achieve Class I molar relationship；4. shape the arch from square to oval for better smile line.

Treatment Information

Retainer: Hawley

Smartforce: Conventional, Mandibular Advancement and Optimized

Submission Process: iTero Scanner Element/5D

Length of Treatment: 36 months

Additional Aligners: 2

Number of Aligners:

	Initial	Additional	Total
Maxillary	28	66	94
Mandibulary	28	66	94

Aligner Wear Time: 10 days

Images

Initial

Final

Progress

Radiographs

Initial Panorama

Final Panorama

Initial Lateral

Final Lateral

ClinCheck

Summary

1. alignment of the upper and lower frontal teeth; 2. expansion of upper and lower arches for preparation of permanent teeth; 3. change the arch form to oval shape and achieve better smile line; 4. mandibular advancement to achieve Class I molar relationship; 5. achieve normal overbite and overjet.