Brackets are small attachments bonded to the surface of your teeth that, together with an archwire, apply controlled force to gradually shift teeth into better alignment. They’re the central component of what most people call braces. The average treatment with brackets takes about 22 months, though individual timelines vary depending on the complexity of the case.
How Brackets Work
Each bracket is a small piece (usually metal or ceramic) glued directly to a tooth. The bracket’s most important feature is a narrow channel called a slot, which holds a thin wire called an archwire. That wire runs across an entire arch of teeth and acts as a guide rail, pulling or pushing each tooth toward its target position in three dimensions. Small rubber bands or metal ties called ligatures wrap around the bracket to hold the wire in place.
Some brackets also have tiny hooks on them. These are anchor points for rubber bands that stretch between your upper and lower jaws, or for small coil springs that open or close gaps between specific teeth.
What Happens Inside Your Jaw
When the archwire puts pressure on a bracket, that force transfers through the tooth into the bone surrounding it. The tooth sits in a thin cushion of tissue called the periodontal ligament. On the side where that tissue gets compressed, your body activates cells that break down small amounts of bone. On the opposite side, where the tissue stretches, new bone forms. This cycle of breakdown and rebuilding is what allows a tooth to physically migrate through the jawbone, fraction of a millimeter at a time.
This is why orthodontic treatment takes months rather than weeks. Bone remodeling is a slow biological process, and applying too much force too quickly can damage the tooth root or surrounding tissue. The archwire is designed to deliver steady, controlled pressure that keeps that cycle going safely.
Types of Brackets
Traditional Metal Brackets
These are the most common type. They’re made of stainless steel, durable, and relatively small compared to older designs. Metal brackets use elastomeric ties (the tiny colored rubber bands you pick at each visit) or thin steel ligatures to hold the archwire in the slot. One downside: those ties can trap plaque and bacteria, which makes cleaning around them more demanding.
Ceramic Brackets
Ceramic brackets function the same way as metal ones but are made from a tooth-colored or translucent material, making them far less noticeable. They’re a popular choice for adults and older teens who want a subtler look. The tradeoff is that ceramic is more brittle than steel and can stain if you’re not careful with foods like coffee, curry, or red wine.
Self-Ligating Brackets
Instead of needing a separate tie to hold the wire, self-ligating brackets have a built-in clip or door that snaps shut over the archwire. This eliminates the rubber or metal ligatures entirely. The main advantage is reduced friction between the wire and bracket, which can make tooth movement more efficient. Without ligatures collecting debris, oral hygiene tends to be easier too. These brackets come in both metal and ceramic versions.
Self-ligating systems are further divided into passive, active, and interactive types. Passive clips simply contain the wire loosely, while active clips use a spring mechanism to press against the wire for more precise control of tooth rotation and angle. Whether the brackets are metal or ceramic, conventional or self-ligating, overall treatment duration tends to be similar, around that 22-month median.
Lingual Brackets
Lingual brackets are bonded to the back surface of your teeth, facing your tongue, so they’re essentially invisible from the outside. They can treat most of the same conditions as standard brackets, but they’re technically more challenging to work with. The brackets are smaller and sit closer together, which can require extra steps to keep the wire properly engaged. Many people also find lingual brackets irritate the tongue more than standard brackets irritate the cheeks.
Conditions Brackets Treat
Brackets address a wide range of alignment and bite problems. Crowding, where teeth overlap because the jaw doesn’t have enough space, is one of the most common reasons people get braces. The opposite problem, spacing or gaps between teeth, is equally treatable.
Bite issues are the other major category. An overbite means the upper front teeth overlap the lower ones too far vertically. An overjet (sometimes confused with overbite) means the upper teeth protrude forward horizontally. An underbite is the reverse: the lower jaw sits ahead of the upper, so the bottom teeth stick out past the top ones. A crossbite occurs when some upper teeth close inside the lower teeth rather than outside them, and it can happen on one side or both. Many of these problems trace back to inherited traits, particularly a mismatch between tooth size and jaw size.
The Archwires That Power the System
Brackets get most of the attention, but the archwire does the heavy lifting. Orthodontists typically start treatment with flexible nickel-titanium wires and progress to stiffer stainless steel wires as teeth get closer to their final positions.
Nickel-titanium wire has a property called shape memory: you can bend it significantly and it returns to its original shape, applying a gentle, consistent force along the way. That makes it ideal for the early phase of treatment, when teeth may be badly misaligned and need to move the most. It’s also more comfortable because it delivers lighter forces over a wider range of movement.
Stainless steel wire is much stiffer and stronger. It doesn’t flex and spring back the way nickel-titanium does, which is exactly why it’s useful later in treatment. At that stage, the goal shifts from large-scale movement to fine-tuning: precise positioning, correcting the angle of individual teeth, and locking the bite into its final form. Stainless steel’s rigidity gives the orthodontist the control needed for those detailed adjustments.
How Brackets Are Attached
Getting brackets placed is painless and doesn’t require any drilling or anesthesia. The process starts with a thorough cleaning of each tooth surface using a gritty paste. Next, a mild acid solution is applied briefly to the enamel. This etching step creates a slightly rough, porous surface at a microscopic level so the adhesive can grip effectively. The teeth are rinsed, dried, and then a thin layer of bonding adhesive is painted on.
Each bracket is pressed onto its tooth and held in position for several seconds while the adhesive sets, sometimes with the help of a curing light. Once all the brackets are in place, the orthodontist threads the first archwire through the slots and secures it with ligatures. The entire appointment typically takes one to two hours.
What Discomfort to Expect
The first three to seven days after placement are the most uncomfortable. Your teeth will feel sore and tender, especially when biting down, as the periodontal ligament adjusts to the new pressure. The brackets and wires may also irritate your cheeks and lips until the soft tissue toughens up.
After each adjustment appointment (usually every four to eight weeks), you can expect one to three days of mild soreness as the new wire reintroduces force. Soft foods like yogurt, mashed potatoes, and smoothies help during these windows. Orthodontic wax, a small strip of soft wax you press over any bracket that’s rubbing, is one of the most useful tools for preventing sores on your cheeks. Cold foods, a saltwater rinse, or a cold compress against the outside of your jaw can all take the edge off. Over-the-counter pain relievers like ibuprofen work well for the achier days.
Keeping Teeth Clean With Brackets
Brackets create dozens of new crevices where food and plaque accumulate. Poor cleaning around brackets can lead to decalcification, those permanent white spots on enamel that show up when braces come off. Preventing them requires more effort than your pre-braces routine.
A regular soft-bristled toothbrush still does the primary work, but you’ll want to angle it above and below each bracket to reach the enamel that’s partially hidden. Interdental brushes, small cone-shaped or cylindrical brushes designed to fit between the wire and the tooth, are especially effective at clearing debris from around each bracket. Flossing requires threading the floss under the archwire for each tooth, which is tedious but important. Floss threaders or orthodontic-specific flossers with a stiff, bendable tip make this faster. A water flosser can supplement brushing and flossing by flushing out particles from hard-to-reach spots, though it shouldn’t replace manual cleaning entirely.