Glossary
Clear Aligners Glossary
Essential vocabulary for understanding clear aligner treatment — from the custom trays and digital planning software to bite issues and retention after treatment.
Clear aligners offer a discreet, removable alternative to traditional braces for straightening teeth. This glossary explains the terminology you will encounter from your first scan through the day you receive your retainer.
- Clear Aligners
- Transparent, removable orthodontic appliances that gradually straighten teeth.
- Invisalign
- A popular brand of clear aligners.
- Attachments
- Small, tooth-colored bumps that are bonded to teeth to help the aligners grip and move teeth more effectively.
- Trays
- (Also called "aligners") A series of custom-made, removable appliances worn over the teeth to gradually shift them into proper alignment.
- Aligners
- A series of custom-made aligners that are worn sequentially to move teeth into the desired position.
- ClinCheck
- Invisalign's software that creates a 3D simulation of the tooth movement plan.
- Compliance
- Wearing the aligners for the recommended amount of time each day (typically 20-22 hours).
- Initial Consultation
- The first appointment where the dentist or orthodontist evaluates your teeth and discusses treatment options.
- Impressions
- A mold taken of the prepared tooth to create a custom-made aligner (trays).
- iTero
- A brand of 3D intraoral scanner used to create digital impressions of teeth.
- Refinements
- Additional aligners provided after the initial treatment to fine-tune tooth position.
- Retention
- Wearing retainers after treatment to maintain the new tooth position.
- Scanning
- Creating a digital 3D model of your teeth using an intraoral scanner.
- 3D Imaging
- Technology used to create a three-dimensional model of the teeth and jaws for treatment planning.
- Crowding
- When there is not enough space in the jaw for all the teeth to align properly.
- Malocclusion
- Misalignment of the teeth or jaws.
- Open Bite
- When the upper and lower front teeth do not overlap when the mouth is closed.
- Overbite
- When the upper front teeth overlap the lower front teeth excessively.
- Overjet
- When the upper front teeth protrude horizontally over the lower front teeth.
- Spacing
- Gaps or spaces between teeth.
- Underbite
- When the lower front teeth protrude in front of the upper front teeth.
Related Treatment
Invisalign®
Clear aligners that straighten discreetly, with check-ins that keep treatment on track.
Learn about invisalign® →