Class I
,
Narrow arches
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations
,
Pre-restorative

Leveling curve of Spee
,
Retraction
,
First premolar extraction

Treatment information

  • Age: 24
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Diagnostic Summary

  • Class I
  • Narrow arches
  • Mandibular midline deviation
  • Midline shift
  • Crowding
  • Rotations
  • Pre-restorative

Use of:

  • Leveling Curve of Spee
  • Extraction
  • Retraction
  • First Premolar extraction
  • Optimized multiplane (G4) on Buccal 1.2 (UR2)
  • Optimized retraction attachments (G6) on Buccal 1.3 (UR3), Buccal 2.3 (UL3), Buccal 4.3 (LR3), Buccal 3.3 (LL3)
  • First premolar extraction solution for maximum anchorage (G6) on Buccal 1.5 (UR5), Buccal 1.6 (UR6), Buccal 1.7 (UR7), Buccal 2.5 (UL5), Buccal 2.7 (UL7), Buccal 4.5 (LR5), Buccal 4.6 (LR6), Buccal 4.7 (LR7), Buccal 3.5 (LL5), Buccal 3.6 (LL6), Buccal 3.7 (LL7)
Courtesy of Dr. S. Chieh Lin 2019

Photos

Click to compare enlarged
upper
Initial
lower
right
front
left
Click to compare enlarged
upper
Final
lower
right
front
left
Click to compare enlarged
upper
Progress
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
  • Normal  overjet and overbite achieved
  • Overjet improved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile line was achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Total treatment Time

  • 26 months

Number of aligners

  • Maxillary: 37 + 26 + 13 = 76
  • Mandibular: 37 + 26 + 13 = 76

Aligner wear time

  • 10 days - 7 days

Comments

  • This is a Class I malocclusion case with bimaxillary protrusion
  • The chief complaint was the patient's profile
  • The treatment plan was to extract 1.4, 2.4, 3.4 and 4.4
  • This is a typical G6 maximal anchorage case and we were able to achieve a very good improvement in the profile

Retention

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer