Class II div II correction

23 years old, male patient, came to the clinic for consultation to correct his malaligned teeth. Patient is interested in clear aligner.

CLINICAL PRESENTATION

-Class 2 malocclusion with upper and lower arch crowding

CLINICAL FINDINGS

• Class 2 skeletal, class 2 molar and canine relation
• Deep bite
• Crossbite on LR5
• Presence of mesiodens
• Moderate lower arch crowding, severe upper arch crowding

PRE-TREATMENT RADIOGRAPHS

TREATMENT GOALS

• To align both arches
• To correct deepbite
• To improve AP relationship
• To improve facial profile

TREATMENT APPROACH

Extraction of mesiodens done. Expansion and alignment of the teeth, anterior intrusion for the correction of deep bite and buttons for elastics on right hand side to correct the class 2 relationship.

Stage 1

• 27 sets of aligners
• Buttons on UR3 and LR7, run class 2 elastics

Stage 2 (Refinement)

• 27 sets of aligners
• Lower IPR 3—3, 0.5mm to correct lower anterior root torque
• Buttons on UR3 and LR7, run class 2 elastics

MID-TREATMENT RADIOGRAPHS

CONCLUSION

-The thickness of the aligner act as a bite raiser to disocclude the bite for crossbite correction.

-Patient is still under the refinement aligner, but he is very happy to see the major improvement in the teeth alignment and the facial profile.