Class I, Posterior crossbite, Anterior crossbite, Narrow arches, Crowding, Rotations 

Patient Information

• Age: 22
• Gender: female
• Invisalign Treatment Option: Full

Total Treatment Time

• 18 months

Number of aligners

• Maxillary: 20 + 32 = 52
• Mandibulary: 21 + 32 = 53

Aligner Wear time

• 1-week

Retention

• Maxillary: Fixed/Bonded
• Mandibular: Vivera

Results achieved

• Class I relationship achieved
• Functional canine guidance on both sides
• Anterior crossbite corrected
• Posterior crossbite corrected
• Normal overjet and overbite achieved
• Midlines coincident
• Proper axial inclination of incisors
• Curve of Spee levelled
• All treatment goals were achieved case
• Harmonic arches were achieved

Comments

• We decided to do expansion, anterior and posterior IPR to avoid a dental extraction.
• There was no need for elastics to correct the posterior crossbite.