List of problems

• Crowding of anterior teeth.
• Labial inclination of upper and lower anterior teeth.
• Eruption of 18, 28 and 38, anteversion and impaction of 48.

Treatment Objective

• Align maxillary and mandibular teeth.
• Align the midline of upper and lower anterior teeth.
• Improve the molar relationship.
• Skeletal pattern, soft tissue and facial shape basically remain unchanged.

Orthodontic treatment plan

•  Smartee non-extraction invisible orthodontic treatment without brackets.
•  Reduce labial inclination, eliminate crowding of upper and lower anterior teeth.  
•  Improve the molar relationship.
•  Retention.

Comparison before and after correction

Before correction

After correction

Before correction

After correction

Severe crowding

Basic situation

Product:Smartee Clear Aligner

Diagnosis:Angle Class III

Doctor:Ou Lian

Doctor's summary
1.The first task for the patient to be satisfied with the effect of invisible orthodontic treatment is making a clear diagnosis. The teeth, maxilla and mandible, and their spatial location must be clear.
2. Reasonable orthodontic treatment design, good compliance of the patient, strict control over IPR and proper design in time interval of occlusal adjustment ensure smooth process of orthodontic treatment.
3. Examination of clinical TMJ and jaw position before and after treatment is the key to stable results.
Orthodontic treatment steps and cycle

Maxilla:25 sets

Mandible:27 sets

Cycle:13 months