Class I
,
Increased overjet
,
Openbite
,
Crowding

Retraction
,
Elastics: Class II in Additional Aligners
,
Other extraction
,
First premolar extraction
,
IPR

Teen case of the month

Dr. S. Shih-Hsuan Chen
Dr. S. Shih-Hsuan Chen

We would like to thank, Dr. Shih-Hsuan Chen, for submitting this open bite case with excellent treatment outcome for this teen patient.

Dr. Quote: "With thanks to the patient for the wonderful compliance. The Invisalign system is a great appliance to treat open bite and teen cases. It has been a pleasant journey. "

Treatment information

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

Diagnostic Summary

  • Class I
  • Increased overjet
  • Openbite
  • Crowding

Use of:

  • Extraction
  • Retraction
  • First Premolar extraction
  • IPR
  • Class II Elastics in Additional Aligners
  • Optimized root control attachments (G4) on Buccal 2.3 (UL3), Buccal 2.5 (UL5)
  • Optimized retraction attachments (G6) on Buccal 1.3 (UR3), 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 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. Shih-Hsuan Chen 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
  • 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

  • 29 months

Number of aligners

  • Maxillary: 58 + 37 = 95
  • Mandibular: 54 + 37 = 91

Aligner wear time

  • 8 days

Comments

  • The open bite was successfully closed by intruding the upper posteriors, followed by a vertical jump in the primary aligner stages
  • Protrusive profile was improved by extracting the four first premolars.
  • Dental crowding was resolved and ideal occlusion was established with proper control closing the spaces after the extraction

Retention

  • Maxillary: Other clear
  • Mandibular: Fixed/Bonded