Class II div 1
,
Mandibular retrognathia
,
Deepbite
,
Narrow arches
,
Asymmetric arches
,
Maxillary midline deviation
,
Mandibular midline deviation
,
Midline shift
,
Crowding
,
Rotations

Elastics: Class II
,
Distalization
,
Leveling curve of Spee
,
Extrusion
,
Expansion
,
Retraction
,
IPR

Treatment in the Spotlight

Dr. T. Thanvarachorn
Dr. T. Thanvarachorn

We would like to thank doctor Thanvarachorn for submitting this Deep bite treatment that shows an amazing treatment outcome.

Dr. Quote: "Thanks to the best patient cooperation and the fabulous Invisalign appliance which for me simplified this treatment compared to treating with the fixed orthodontic appliance."

Treatment information

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

Diagnostic Summary

  • Class II div 1
  • Mandibular retrognathia
  • Deepbite
  • Narrow arches
  • Asymmetric arches
  • Maxillary midline deviation
  • Mandibular midline deviation
  • Midline shift
  • Crowding
  • Rotations

Use of:

  • Distalization
  • Expansion
  • Extrusion
  • Leveling Curve of Spee
  • Retraction
  • IPR
  • Elastics: Class II
  • Optimized rotation attachment (G3) on Buccal 4.5 (LR5), Buccal 3.4 (LL4)
  • Power ridge feature (G3) on Buccal 3.2 (LL2), Buccal 3.3 (LL3)
  • Optimized root control attachments (G4) on Buccal 1.2 (UR2), Buccal 1.4 (UR4), Buccal 1.5 (UR5), Buccal 2.2 (UL2), Buccal 2.4 (UL4), Buccal 2.5 (UL5), Buccal 4.3 (LR3), Buccal 4.4 (LR4)
Courtesy of Dr. T. Thanvarachorn 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
Download ADF files
Initial
Additional Aligners

Treatment summary

Results Achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Deepbite improved
  • Significant improvement of¬†overbite
  • Significant improvement of overjet
  • Midlines coincident
  • 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

  • 14 months

Number of aligners

  • Maxillary: 30 + 29 = 59
  • Mandibular: 30 + 29 = 59

Aligner wear time

  • 1-week

Comments

  • We started to used Class II elastics from stage 10 to help with the anchorage for upper molar distalization and to achieve Class I canine and molar relationship
  • We moved to Additional aligners at stage 30 of the first set
  • Patients cooperation was 100%

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear