By Thrive Family Dental Medically reviewed by Dr. Ben Friberg, DDS
Published June 26, 2025 · Updated July 7, 2026
Invisalign attachments are small, tooth-colored bumps of dental composite bonded onto specific teeth before or during your treatment. They give your aligners something to grip, so the tray can apply more precise pressure than it could on a smooth tooth surface alone. Most Invisalign patients at our Wilmington practice need at least a few, though not every case requires them.
What exactly is an Invisalign attachment?
An attachment is a small dot or shape of tooth-colored composite resin, bonded directly to the enamel with dental adhesive and cured in place. It’s the same material your dentist uses for a tooth-colored filling. Depending on the tooth and the movement it needs to make, that shape might be a circle, a triangle, a rectangle, or something more complex. Most patients get theirs placed in a single appointment near the start of treatment, though your dentist may add or remove a few along the way as your teeth respond.
Why aligners need something to grip onto
A smooth aligner tray works fine for simple movements, like closing a small gap. But some movements need more than that: rotating a rounded tooth like a canine, pulling a tooth down into position, or shifting a tooth that’s resisting the aligner’s pressure. The raised edge of an attachment gives the tray a handle to catch onto, so it can push in a specific direction instead of just squeezing the tooth from the outside.
Will anyone actually notice them?
Not at a normal conversational distance. Attachments are shade-matched to your enamel and small enough that most people register them as texture, not decoration. If part of your reason for choosing Invisalign was avoiding the look of metal brackets, attachments won’t undo that — they’re designed to stay in the background.
Who needs attachments, and who doesn’t
It comes down to what your teeth need to do, not how severe your case looks. A patient with mild crowding or a small gap might need only two or three attachments, or none. Someone correcting rotated premolars or making a more complex bite adjustment will usually need more, because those movements call for more targeted force.
Doctor’s Note:
“The teeth I attach most often are canines and premolars, because they’re round, and a round tooth is the hardest shape to rotate with a flat aligner alone. If your case is mostly side-to-side movement, you might only need two or three attachments total. I’ll walk you through exactly which teeth need them and why at your consultation, so nothing about your tray feels like a surprise once treatment starts.” — Dr. Ben Friberg, DDS
Getting attachments placed: what to expect
Placement is quick and doesn’t require anesthetic. Your dentist lightly preps the tooth surface, bonds on the composite, shapes it, then cures it with a curing light. Most patients are finished in well under an hour, often at the same visit where you get your first set of aligners. The process doesn’t thin or damage your enamel. Once treatment wraps up, attachments are polished off in a few minutes and leave no lasting mark on the tooth.
Are attachments included in the cost of treatment?
Usually, yes. Attachments are typically built into your overall Invisalign fee rather than billed as a separate line item, since they’re part of the same treatment plan. It’s still worth confirming this directly when you get your treatment estimate, since fee structures vary by provider.
You may also wonder…
Do attachments slow down treatment?
No, they’re often what makes certain movements possible at all. Skipping attachments where they’re actually needed tends to extend treatment, not shorten it, because the aligner has to work harder without the extra grip.
How long do I have to wear a retainer after Invisalign?
You’ll need one, typically full-time at first and then down to nights only over time, to keep your teeth from drifting back. See the full timeline in how long you’ll need to wear your retainer after Invisalign.
Can I get Invisalign if my teeth already shifted back after braces?
In many cases, yes. Read can you get Invisalign if you’ve had braces before for how much relapse Invisalign alone can typically correct.
What if I’m nervous about the bonding appointment?
That’s what Meadow is for. Our on-site Rehabilitative Facility Dog is trained in deep-pressure therapy and is welcome in the room during attachment placement, along with the rest of our comfort menu: weighted eye masks, blankets, and noise-canceling headphones, if you’d like them.
Key Takeaways
- Invisalign attachments are small, tooth-colored composite shapes bonded to specific teeth to give clear aligners extra grip for precise movement.
- They’re shade-matched and subtle enough that they’re not noticeable at a normal conversational distance.
- Not every patient needs them — the number depends on which teeth need to rotate, extrude, or resist movement, not on how severe the case looks overall.
- Placement and removal are both quick, painless, and don’t damage enamel.
- Attachments are typically included in the overall cost of Invisalign treatment rather than billed separately, but confirm this on your treatment estimate.
Ready to start Invisalign in Wilmington?
Dr. Ben Friberg and the team at Thrive Family Dental offer a free Invisalign consultation, so you’ll know exactly what your treatment plan, attachments included, looks like before committing to anything. Call (910) 240-4797 or book online to get started.