Class I
,
Narrow arches
,
Asymmetric arches
,
Crowding
,
Rotations

Mesialization
,
Leveling curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
Other extraction

Teen case of the month

Dr X. Wang
Dr X. Wang

Dr. Quote: “Optimized results can be obtained with Invisalign by applying well designed incremental movements on the teeth. I feel that mesial movement, in this case, was much easier because of the existing third molar germs.
Thanks to Doctor Guan Xin’s support and the patient’s cooperation ·”

Treatment information

  • Age: 16
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Diagnostic Summary

  • Class I
  • Narrow arches
  • Asymmetric arches
  • Crowding
  • Rotations

Use of:

  • Mesialization
  • Expansion
  • Intrusion
  • Leveling Curve of Spee
  • Extraction
  • Retraction
  • Optimized rotation attachment (G3) on Buccal 2.3 (UL3), Buccal 4.3 (LR3)
  • Power ridge feature (G3) on Buccal 4.2 (LR2), Buccal 3.2 (LL2)
  • Optimized multiplane (G4) on Buccal 2.2 (UL2)
  • Optimized root control attachments (G4) on Buccal 1.3 (UR3), Buccal 1.4 (UR4), Buccal 2.4 (UL4), Buccal 4.4 (LR4), Buccal 3.3 (LL3), Buccal 3.4 (LL4)
  • Optimized support attachment on upper laterals (G7) on Buccal 2.2 (UL2)
Courtesy of Dr X. Wang 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
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
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved

Total treatment Time

  • 25 months

Number of aligners

  • Maxillary: 53 + 12 = 65
  • Mandibular: 63 + 7 = 70

Aligner wear time

  • 7-10days

Comments

  • The patient has four never interrupted wisdom teeth that were helpful for the mesialization of the upper and lower molars
  • We adjusted aligner change frequency according to teeth movement

Retention

  • Maxillary:
  • Mandibular: