You probably need braces if your teeth visibly overlap, your bite feels off, or you’re dealing with jaw pain and difficulty chewing. Most people notice at least one of these signs before they ever sit in an orthodontist’s chair. The good news is that the signs are fairly easy to spot on your own, even if a professional evaluation is the only way to confirm whether treatment is necessary.
Visible Signs in the Mirror
The most obvious clues show up when you look at your teeth. Crowding happens when there isn’t enough room in your jaw for all your teeth to sit comfortably. Teeth press together, overlap, twist at odd angles, or get pushed forward or backward out of line. You might notice one tooth sitting noticeably higher or lower than its neighbors, or a front tooth that’s rotated so it faces slightly sideways.
Gaps are the opposite problem. Noticeable spaces between teeth, especially ones that seem to be widening over time, can signal that your jaw and teeth aren’t proportioned well together. Both crowding and spacing affect how your teeth meet when you bite down, and both are common reasons people end up in braces.
Bite Problems You Can Check Yourself
Your teeth should fit together in a specific way. When you close your mouth naturally, your upper front teeth should overlap slightly in front of your lower front teeth, and your back teeth should mesh together like gears. If that’s not what’s happening, you likely have a bite problem (called a malocclusion) that braces can fix.
Here are the main types and how to recognize them:
- Overbite (deep bite): Your upper front teeth cover too much of your lower teeth when you bite down. In severe cases, your upper teeth press into your lower gums, or your lower teeth dig into the roof of your mouth.
- Underbite: Your lower jaw sits in front of your upper jaw, so your bottom front teeth are ahead of your top ones. This often gives the chin or lower jaw a prominent appearance.
- Crossbite: Some of your upper teeth tuck inside your lower teeth instead of sitting outside them. This can happen in the front or back of your mouth, and over time it can cause your jaw to shift to one side.
- Open bite: Your back teeth touch when you close your mouth, but your front teeth don’t meet at all (or the reverse, where your front teeth touch but your back teeth have a gap). This makes biting into foods like sandwiches or apples surprisingly difficult.
You can do a quick self-check: bite down gently and look in a mirror. If your front teeth don’t overlap at all, overlap so much that you can’t see your bottom teeth, or your lower teeth sit in front of your upper teeth, that’s worth having evaluated.
Functional Problems That Point to Braces
Not every sign of needing braces is something you can see. Pay attention to how your teeth and jaw feel during everyday activities. Difficulty biting into food cleanly, trouble chewing without pain, or finding that you avoid certain foods because they’re hard to manage can all stem from misalignment. People with severe bite issues sometimes swallow larger food particles because they can’t chew effectively, which can lead to digestive problems over time.
Jaw pain, clicking, or popping sounds when you open and close your mouth may also be connected to how your teeth line up. A misaligned bite is one recognized cause of temporomandibular joint issues, which can bring headaches, earaches, neck pain, and jaw stiffness along with them. Not every case of jaw clicking means you need braces, but if it’s paired with other signs on this list, it strengthens the case.
Speech is another clue. Certain bite problems, particularly open bites and underbites, can cause lisping or difficulty pronouncing specific sounds. If you’ve had a subtle speech issue your whole life that speech therapy hasn’t fully resolved, your tooth alignment could be a contributing factor.
What Happens If You Don’t Get Treatment
Misaligned teeth aren’t purely a cosmetic issue. Leaving a significant bite problem untreated carries real health consequences that tend to compound with age.
Teeth that don’t meet properly wear unevenly. Edge-to-edge contact between teeth and overbites greater than 4 millimeters are both associated with accelerated enamel loss, which leads to sensitivity, cracks, and eventually the need for crowns or other restorations. A large overbite (where the upper front teeth stick out significantly) can double or even triple the risk of traumatic injury to those teeth from falls or impacts.
Gum disease is a longer-term concern. Severe crowding in the lower front teeth is linked to periodontal disease progression later in life, and a deep bite that causes the teeth to dig into the opposing gum tissue can cause irreversible damage to the bone and tissue supporting those teeth. Untreated bite problems also place extra stress on the jaw joints, which can worsen pain and dysfunction over the years.
There’s even a connection to breathing. People with severe bite issues may be more prone to developing obstructive sleep apnea, particularly as they age. This is especially relevant for those with small or recessed lower jaws.
When Children Should Be Evaluated
The American Association of Orthodontists recommends that every child see an orthodontist by age seven. That might sound early, since most kids still have a mix of baby and adult teeth at that age, but it’s the ideal window for catching developing problems. At seven, an orthodontist can spot issues with jaw growth, emerging bite problems, and crowding before they become more complex.
An evaluation at seven doesn’t mean your child will get braces at seven. Most kids who are flagged at that age simply go on a monitoring schedule and start treatment later, typically between ages nine and fourteen. But in some cases, early intervention with a palate expander or partial braces can guide jaw growth in a way that makes later treatment shorter, simpler, or unnecessary. Catching problems early also tends to be less expensive than correcting them after they’ve fully developed.
What an Orthodontic Evaluation Involves
If you suspect you need braces, the next step is a professional evaluation. Most orthodontists offer free or low-cost initial consultations. During that visit, the orthodontist will examine your teeth and bite visually, take X-rays to see the roots of your teeth and the bone underneath, and often use a digital scanner to create a 3D model of your teeth. The scanner is a small wand that passes over your teeth and builds an image on a screen in real time, replacing the messy putty impressions of the past.
For more complex cases, particularly those involving jaw misalignment or surgical planning, a cone-beam CT scan may be used. This is a specialized X-ray that captures a full 3D view of your skull, jaw joints, and airway in a single rotation. The orthodontist uses all of this information to measure the exact degree of your misalignment and build a treatment plan.
Does Insurance Consider Braces Medically Necessary?
This is where things get complicated. There’s no single federal definition of what makes orthodontic treatment medically necessary. Each state and each insurance plan sets its own criteria. Many dental plans cover braces for children under 18 but offer limited or no coverage for adults.
The American Association of Orthodontists has proposed specific thresholds that it considers auto-qualifiers for medical necessity. These include crowding or spacing of 10 millimeters or more in either arch, an overbite where the teeth press into the opposing gum tissue, a crossbite involving three or more teeth, an open bite of 2 millimeters or more across four or more teeth, and upper front teeth that protrude 9 millimeters or more beyond the lower teeth. Impacted teeth (other than wisdom teeth) that can’t erupt on their own also qualify.
Even if your case doesn’t meet these severe thresholds, many dental insurance plans provide partial coverage for braces, and most orthodontic offices offer payment plans. If you’re unsure about your coverage, your orthodontist’s office can typically submit a pre-authorization to your insurance before you commit to treatment.