Class I
,
Anterior crossbite
,
Deepbite
,
Asymmetric arches
,
Maxillary midline deviation
,
Midline shift
,
Crowding
,
Rotations

Leveling curve of Spee
,
Elastics: vertical
,
Intrusion
,
Retraction
,
Overtreatment

Treatment information

  • Age: 14
  • Gender: female
  • Invisalign Treatment Option: Invisalign Teen

Diagnostic Summary

  • Class I
  • Anterior crossbite
  • Deepbite
  • Asymmetric arches
  • Maxillary midline deviation
  • Midline shift
  • Crowding
  • Rotations

Use of:

  • Intrusion
  • Leveling Curve of Spee
  • Extraction
  • Retraction
  • Elastics: Vertical
  • Overtreatment
  • Optimized rotation attachment (G3) on Buccal 2.3 (UL3), Buccal 4.3 (LR3), Buccal 4.5 (LR5), Buccal 3.5 (LL5)
  • Optimized extrusion attachment (G3) on Buccal 1.1 (UR1), Buccal 1.2 (UR2), Buccal 2.1 (UL1), Buccal 2.2 (UL2)
  • Power ridge feature (G3) on Buccal 1.1 (UR1), Lingual 1.1 (UR1), Buccal 2.1 (UL1), Buccal 2.2 (UL2), Lingual 2.1 (UL1), Lingual 2.2 (UL2)
  • Optimized root control attachments (G4) on Buccal 1.3 (UR3), Buccal 1.5 (UR5), Buccal 2.3 (UL3), Buccal 3.3 (LL3)
  • Optimized deepbite attachments for anchorage (G5) on Buccal 2.5 (UL5)
  • First premolar extraction solution for maximum anchorage (G6) on Buccal 4.3 (LR3), Buccal 4.5 (LR5), Buccal 4.6 (LR6), Buccal 3.3 (LL3), Buccal 3.5 (LL5), Buccal 3.6 (LL6), Buccal 3.7 (LL7)
  • Optimized extrusion attachments for molars (G7+) on Buccal 1.6 (UR6)
Courtesy of Dr X. Liu 2019

Photos

Click to compare enlarged
upper
Initial
lower
right
front
left
Click to compare enlarged
upper
Final
lower
right
front
left

Radiographs

ClinCheck treatment plan

video anterior
video right-left
video upper-lower

Treatment summary

Results Achieved

  • Class I relationship maintained
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • NormalĀ  overjet and overbite achieved
  • Deepbite improved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Total treatment Time

  • 30 months

Number of aligners

  • Maxillary: 51 + 28 + 14 = 93
  • Mandibular: 51 + 28 + 14 = 93

Aligner wear time

  • 10 days

Comments

  • First premolar extraction solution for maximum anchorage(G6) to maintain Class I relationship and retract anterior teeth
  • Smart stage used for level curve of Spee
  • Power ridge used to control inclination of upper incisors
  • Wear aligner with chewy to correct anterior crossbite

Retention

  • Maxillary:
  • Mandibular: