ORTHODONTICS IN CUPERTINO, FREMONT, AND MILPITAS
How Is My Bite Supposed to Fit Together?
A Guide to the Ideal Bite

Your teeth may look straight, but how they fit together when you bite plays a huge role in your long-term dental health, comfort, and even facial symmetry. This relationship between your upper and lower teeth—called your bite or occlusion—affects everything from chewing and speaking to jaw joint health and wear on your enamel.
So what does an ideal bite actually look like? And how do you know if something is off?
What Is a Bite, Exactly?
Your bite refers to the way your upper and lower teeth come together when your jaws are closed. Ideally, this contact should be even, comfortable, and balanced—allowing you to chew efficiently without strain on your jaw joints or uneven wear on your teeth.
Orthodontists look at your bite from multiple angles, including:
- Front view – How much overlap exists between your top and bottom front teeth.
- Side view – Whether the upper teeth properly align in front of the lower ones.
- Back teeth contact – How molars fit and function when you chew.
- Midline – Whether the center of your upper and lower teeth line up.
What Does an Ideal Bite Look Like?
Here’s what orthodontists typically consider the characteristics of a healthy, functional bite:
- The upper front teeth slightly overlap the lower front teeth vertically (about 2–3 mm).
- The upper teeth fit slightly outside the lower teeth when biting down.
- The points of the upper molars fit into the grooves of the lower molars (like gears).
- There’s no crowding or excessive spacing.
- The midlines of your upper and lower front teeth line up with your face.
- You can chew, speak, and rest your jaw without pain, clicking, or tightness.
This setup promotes long-term stability, healthy jaw function, and a natural-looking smile.
Common Bite Problems Explained
Many people—kids and adults alike—have some form of bite issue, also known as a malocclusion. These bite problems aren’t always obvious to the untrained eye but can cause symptoms like worn-down teeth, gum recession, jaw pain, and difficulty chewing. Here are the most common types:
1. Overbite (Deep Bite)
An overbite means the top front teeth overlap the bottom ones too much vertically. In severe cases, the lower teeth can even bite into the roof of the mouth.
Possible signs: Short lower face, worn or receding lower teeth, biting the palate.
2. Underbite
An underbite is when the lower front teeth stick out in front of the upper front teeth, often due to a larger lower jaw or smaller upper jaw.
Possible signs: Prominent chin, difficulty biting into food, speech issues.
3. Open Bite
With an open bite, there’s a vertical gap between the upper and lower front teeth even when the back teeth are touching.
Common causes: Thumb sucking, tongue thrusting, or jaw growth imbalances.
Possible signs: Difficulty biting into food, lisping, tongue showing when smiling.
4. Crossbite
A crossbite occurs when some upper teeth sit inside the lower teeth instead of outside. It can happen in the front (anterior crossbite) or back (posterior crossbite).
Possible signs: Jaw shifts when biting, facial asymmetry, uneven wear.
5. Crowding or Spacing
Though not technically a bite problem, crowded or spaced teeth can affect how your bite fits together and how easy it is to clean your teeth properly.
Possible signs: Rotated teeth, overlapping, food getting stuck, or visible gaps.
Why a Proper Bite Matters
A bite that’s off can lead to more than cosmetic concerns—it can cause:
- Jaw pain and TMJ dysfunction
- Uneven tooth wear and enamel erosion
- Gum recession or bone loss
- Difficulty cleaning certain areas, leading to decay or gum disease
- Speech or chewing difficulties
- Long-term instability and relapse (especially after orthodontic treatment)
That’s why bite correction is often a key part of orthodontic care—not just straightening the teeth, but aligning how they function.
How Orthodontists Fix Bite Issues
Depending on the specific concern, treatment may involve:
- Braces or clear aligners (like Invisalign) to move teeth into ideal alignment
- Elastics (rubber bands) to correct the position of the jaws
- Palatal expanders for narrow upper jaws (especially in growing children)
- Bite turbos or ramps to help adjust overbites or deep bites
- In some cases, jaw surgery may be needed for significant skeletal discrepancies (more common in adults)
Each treatment is tailored based on your jaw structure, growth stage, and goals for both aesthetics and function.
Wondering If Your Bite Is Healthy?
If your bite feels off, your smile looks asymmetrical, or you experience discomfort in your jaws or teeth—those are good signs to visit an orthodontist. A simple consultation can reveal how your bite is functioning and whether any correction is recommended for your long-term oral health.
In Summary:
- Your bite is just as important as straight teeth.
- A well-aligned bite supports better chewing, speaking, and long-term health.
- Common bite problems include overbite, underbite, open bite, crossbite, and crowding.
- Orthodontic treatment can correct both how teeth look and how they function.