---
title: Doctor Chen's Treatable Case Study for Crowded Teeth - Invisalign Align Technology
description: Gain some details from the Invisalign Treatable case study about crowded teeth cases by doctor Chen. Know more about Invisalign System here.
---

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# ** Class III, Posterior crossbite, Anterior crossbite, Edge to edge bite, Open bite, Asymmetric arches, Mandibular midline deviation, Crowding, Rotations, Spacing **

 

**Elastics: Class III, Extrusion, Expansion, Retraction, Space Closure **

 

 Courtesy of Dr S. Berman, 2019

![773_photo_initial_front-e1554282802415-768x408](https://www.digitalplatform.me/hubfs/773_photo_initial_front-e1554282802415-768x408.jpg "773_photo_initial_front-e1554282802415-768x408")

## Treatment Summary

###### Patient Information

-  Age: 13
-  Gender: female
-  Invisalign Treatment Option: Invisalign Full

###### Total Treatment Time

-  33 months

###### Number of aligners

-  Maxillary: 41 + 23 + 19 = 83
-  Mandibulary: 41 + 23 + 19 = 83

###### Aligner Wear time

-  1-week

###### Results achieved

- Class I relationship achieved
-  Functional canine guidance on both sides
-  Anterior crossbite corrected
-  Posterior crossbite corrected
-  Normal overjet and overbite achieved
-  Overjet improved
-  Significant improvement of overbite
-  Significant improvement of overjet
-  Midlines coincident
-  Proper axial inclination of incisors
-  Alignment of both arches through derotation
-  Arch form improved
-  Aesthetic smile line was achieved
-  All treatment goals were achieved case
-  Harmonic arches were achieved

###### Comments

- The overbite was corrected using optimised extrusion attachments.
- Necessary space was created for high canines to erupt down.
- Retraction of lower teeth was done with the help of Class III elastics, to correct to ideal overjet and achieve class I canines and molars.

 

#### Initial

![773_photo_initial_upper-e1554282766885-432x297](https://www.digitalplatform.me/hubfs/773_photo_initial_upper-e1554282766885-432x297.jpg)

![773_photo_initial_lower-e1554282779416-432x295](https://www.digitalplatform.me/hubfs/773_photo_initial_lower-e1554282779416-432x295.jpg)

![773_photo_initial_right-e1554282789914-432x231](https://www.digitalplatform.me/hubfs/773_photo_initial_right-e1554282789914-432x231.jpg)

![773_photo_initial_front-e1554282802415-432x230](https://www.digitalplatform.me/hubfs/773_photo_initial_front-e1554282802415-432x230.jpg)

![773_photo_initial_left-e1554282828387-432x233](https://www.digitalplatform.me/hubfs/773_photo_initial_left-e1554282828387-432x233.jpg)

#### Final

![773_photo_initial_upper-e1554282766885-432x297](https://www.digitalplatform.me/hubfs/773_photo_initial_upper-e1554282766885-432x297.jpg)

![773_photo_initial_lower-e1554282779416-432x295](https://www.digitalplatform.me/hubfs/773_photo_initial_lower-e1554282779416-432x295.jpg)

![773_photo_initial_right-e1554282789914-432x231](https://www.digitalplatform.me/hubfs/773_photo_initial_right-e1554282789914-432x231.jpg)

![773_photo_initial_front-e1554282802415-432x230](https://www.digitalplatform.me/hubfs/773_photo_initial_front-e1554282802415-432x230.jpg)

![773_photo_initial_left-e1554282828387-432x233](https://www.digitalplatform.me/hubfs/773_photo_initial_left-e1554282828387-432x233.jpg)

## Other Cases

![498_photo_initial_front-768x510](https://www.digitalplatform.me/hubfs/498_photo_initial_front-768x510.jpg)

###### Crowded Teeth

##### Courtesy of Dr. S. Chieh Lin, 2017

##### Class III, Anterior crossbite, Open bite, Midline shift, Crowding, Rotations, Spacing

[

** ](https://www.digitalplatform.me/invisalign-treatable-casestudy/crowded-teeth-case-doctor-newman)

![1250_photo_initial_front](https://www.digitalplatform.me/hubfs/1250_photo_initial_front.jpg)

###### Crowded Teeth

##### Courtesy of Dr V. Aranguibel Newman, 2021

##### Class II div 1, Posterior crossbite, Increased overjet, Maxillary midline deviation, Crowding Rotations

[

** ](https://www.digitalplatform.me/invisalign-treatable-casestudy/crowded-teeth-case-doctor-wang)

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