Invisalign Submission Option: Invisalign Comprehensive

Year: 2020

Difficulty Level: Intermediate

Age: 18

Treatment Time: 1 year 7 months 14 days

Gender: Female

Dr. Keunchul Cho
11977

Invisalign Comprehensive

Patient Chief Concern
Misaligned teeth

What learning would you share with other Invisalign providers?
Invisalign aligners allow for multiple forms of treatment, such as controlling tooth torque, expansion, and correcting tooth rotation. As tooth rotation and alignment are improved, changes in overjet may occur. Therefore, appropriate elastics should be applied accordingly to manage these changes.

What contributed most to this treatment being successful?
In this case, the focus was on resolving the rotation and crowding of both the maxillary and mandibular arches. Since the patient already had Class I molar relationship, the goal was to maintain this occlusion while addressing the existing issues. For the maxillary arch, only expansion was performed to resolve the rotation, without any IPR. In the mandibular arch, IPR was done on the anterior region to resolve the rotation and crowding. As the rotation and alignment of the upper anterior teeth were corrected, the overjet increased in effect. To reduce overjet, Class II elastics were used. Additionally, the mandibular first molars were lingually inclined, so significant buccal torque was applied to achieve proper molar torque.

Clinical Indications

  • Class I
  • Crowding
  • Rotations

Modalities

  • Elastics: Class II
  • IPR

Treatment Information

Retainer: Wire retainer
Wire retainer with bonded fixed retainer
Smartforce: Conventional and Optimized
Submission Process: iTero Scanner Element/5D
initial : iTero final : PVS impression
Length of Treatment: 19 months
Additional Aligners: 2
Number of Aligners:
Initial Additional Total
Maxillary 17 25 42
Mandibulary 25 33 58
Aligner Wear Time: 10 days

Images

Initial
Final

Radiographs

Summary

Achieved Class I relationship, functional canine guidance on both sides, normal overjet and overbite, proper axial inclination of incisors, Curve of Spee leveled, arches aligned and coordinated, alignment of both arches through derotation, arch form improved, and an esthetic smile line.
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