Your teeth do more than help you eat and speak — they affect how you feel about your smile every single day. If you’ve ever been told you have an overbite, or noticed that your upper teeth seem to cover your lower teeth more than they should, you’re not alone. Overbites are one of the most common orthodontic concerns, affecting both children and adults.
The good news? They’re treatable. And the earlier you understand what’s happening, the better your options become.
This guide covers everything you need to know — what overbites actually are, why they develop, what happens if they go untreated, and the modern treatment options that can help correct them comfortably and discreetly.
Key Takeaways
- A small overbite is normal, but an overlap greater than 2–4 millimeters may require treatment
- Overbites can cause jaw pain, tooth erosion, gum disease, and speech difficulties if left untreated
- Both genetics and childhood habits (like prolonged thumb sucking) can contribute to overbite development
- Treatment options include Spark Clear Aligners and Damon System Braces, depending on your specific needs
- Children and adults can both benefit from orthodontic treatment — it’s never too early or too late to start
What Are Overbites, and Why Do They Matter?
An overbite — sometimes called a deep bite — happens when your upper front teeth overlap your lower front teeth more than they should. According to the Cleveland Clinic, a small amount of overlap is completely normal and even necessary for healthy dental function. The issue arises when that overlap exceeds 2 to 4 millimeters.
It’s worth knowing the difference between an overbite and an overjet, since the two are often confused:
- Overbite refers to a vertical misalignment — your upper teeth sit too far down over your lower teeth
- Overjet refers to a horizontal misalignment — your upper teeth protrude outward at an angle (what some people call “buck teeth”)
Both are types of malocclusion (a “bad bite”), but they’re distinct conditions that may require different treatment approaches.
A mild overbite might be barely noticeable. A more severe one can affect your appearance, your confidence, and over time, your overall oral health.
Is Having an Overbite Bad? The Real Risks to Your Health
So, why are overbites bad when left untreated? The short answer: the effects go well beyond aesthetics.
According to Cleveland Clinic, an untreated overbite can lead to a range of complications, including:
- Tooth erosion — excessive wear and tear from misaligned contact between teeth
- Jaw pain and stiffness — the joints and muscles that control your jaw can become strained
- Temporomandibular disorders (TMD) — a condition that causes jaw pain, clicking, and limited movement
- Gum disease — misaligned teeth are harder to clean thoroughly, creating hiding spots for bacteria
- Cavities — the same difficulty cleaning can accelerate tooth decay
- Speech challenges — the position of your teeth directly influences how certain sounds are formed
- Headaches and earaches — these are common but often overlooked symptoms tied to jaw tension
- Difficulty chewing — pain or discomfort while eating affects nutrition and quality of life
The longer an overbite goes untreated, the more these complications can compound. That’s why early evaluation — ideally by age 7, as recommended by the American Association of Orthodontists (AAO) — gives you (or your child) the most treatment flexibility.
What Causes an Overbite?
Understanding what causes an overbite can help you take the right preventive steps for your family — and make sense of your own situation.
Genetics
In many cases, the shape of your jaw is simply inherited. If overbites run in your family, your bite pattern may be influenced by genetic factors that are outside your control. Jaw structure, tooth size, and the way teeth erupt can all be passed down through generations.
Childhood Habits
Certain behaviors during early development can put prolonged pressure on the teeth and jaw, altering how they grow. The AAO notes that these habits can cause bone changes noticeable as early as 18 months of age. Common contributors include:
- Thumb sucking or pacifier use past age 3 — sustained sucking creates inward and outward pressure that can shift tooth and jaw position
- Tongue thrusting — when the tongue pushes too forcefully against the front teeth during swallowing or speech
- Prolonged bottle or sippy cup use — especially sippy cups with spill-proof valves that require sucking
Other Contributing Factors
Even without a childhood habit or family history, some behaviors in later life can worsen an existing overbite or contribute to one developing:
- Teeth grinding (bruxism)
- Nail biting
- Missing teeth that shift the overall bite alignment
Modern Treatment Options That Fit Your Life
Overbite treatment has come a long way. You no longer have to choose between fixing your bite and maintaining your lifestyle. The right treatment depends on your age, the severity of your overbite, and what matters most to you in the process.
Treatment for Children
Because children’s bones are still forming, teeth move more easily — which means early treatment is often faster and less complex. Depending on your child’s needs, options may include:
- Palate expanders to widen the upper jaw during growth spurts
- Orthodontic headgear to guide jaw position
- Damon braces to move all teeth into proper alignment
- Removal of baby teeth to create room for adult teeth
- Retainers to hold the corrected position after active treatment
Starting early doesn’t always mean starting treatment immediately. Sometimes an orthodontist will simply monitor your child’s development and intervene at exactly the right time.
Treatment for Adults
Adults can absolutely benefit from orthodontic treatment. In most cases, braces or clear aligners alone are enough. More severe cases may require corrective jaw surgery (orthognathic surgery) alongside adult orthodontic treatment, though this is far less common.
Spark Clear Aligners: Discreet Treatment on Your Terms
If the idea of traditional braces doesn’t appeal to you, Spark Clear Aligners offer a virtually invisible alternative that fits seamlessly into everyday life.
Spark aligners are custom-made removable trays that gradually shift your teeth into the correct position. Made from TruGEN™ material — the latest innovation in orthodontic aligner technology — they’re designed to maintain consistent force throughout your treatment for more efficient tooth movement.
Here’s what makes Spark aligners stand out for overbite correction:
- Nearly invisible — most people won’t notice you’re wearing them
- Removable — take them out for meals, brushing, and flossing without any extra hassle
- Comfortable fit — smooth, scalloped edges with no metal wires or brackets to irritate soft tissue
- Fewer office visits — you’ll only need to come in a few times per year, making it ideal for busy schedules
- Weekly tray changes — faster progression through your treatment stages
You wear the aligners for at least 20 hours a day. Progress is tracked remotely using Dental Monitoring software, so your treatment stays on course without requiring frequent in-person appointments.
Damon System Braces: A Comfortable Path to a Wider Smile
For those who prefer braces — or whose overbite requires them — the Damon System offers a fundamentally different experience from traditional metal braces.
The key difference lies in the bracket design. Traditional braces use elastic ties to hold the archwire in place, which creates friction and requires more pressure to move teeth. Damon braces use a self-ligating bracket with a built-in sliding door. The wire moves more freely, allowing teeth to shift with gentler, more natural forces.
Benefits you can expect from Damon System braces:
- Less pressure on your teeth — lighter forces mean a more comfortable experience throughout treatment
- Fewer appointments — the high-tech memory-shape wires continue working between visits, reducing how often you need to come in
- Wider smile development — the system allows your dental arch to develop more naturally, often producing broader, more aesthetic results
- No elastic ties — fewer components mean the brackets are easier to clean and less likely to trap food
Whether you choose metal or the aesthetic (tooth-colored) bracket option, the Damon System is designed to deliver impressive results while keeping your treatment experience as manageable as possible.
Personalized Overbite Care in Portland and Lake Oswego
Getting the right treatment starts with getting the right evaluation. At Dischinger Orthodontics, every patient receives a personalized treatment plan — because no two overbites are the same, and no two smiles should be treated identically.
Your free consultation includes full orthodontic records (photos and X-rays), a one-on-one exam with an orthodontist, and a detailed conversation about your goals, your options, and what treatment would realistically look like for you. There are no hidden fees, no referrals needed, and 0% interest payment plans available — so cost doesn’t have to stand in the way of getting the care you need.
With our office conveniently located in Lake Oswego, getting started is straightforward.
Frequently Asked Questions About Overbites
Q: Can a mild overbite be left untreated?
A: A small amount of overbite is completely normal. If your overbite is minor and not causing any functional issues, your orthodontist may recommend monitoring it rather than treating it right away. The concern is when an untreated overbite starts contributing to jaw pain, tooth wear, or gum disease — which is why regular dental and orthodontic check-ups are important.
Q: At what age should my child be evaluated for an overbite?
A: The AAO recommends an initial orthodontic evaluation no later than age 7. By this age, enough permanent teeth have come in to give an orthodontist a clear picture of how the bite is developing. Early evaluation doesn’t always lead to immediate treatment — but it ensures problems are caught at the most opportune time.
Q: How long does overbite treatment take?
A: Treatment time varies depending on the severity of the overbite and the type of treatment used. On average, orthodontic treatment takes between 18 and 24 months, though some cases may be shorter or longer. Children tend to progress faster than adults because their jaws are still growing.
Q: Is overbite correction painful?
A: Some discomfort is normal, especially in the first few days after a new aligner tray or a braces adjustment. This typically fades within a day or two as your teeth adjust. The Damon System uses lighter forces than traditional braces, which many patients find reduces overall discomfort during treatment.
Your Next Step Toward a Healthier Smile
An overbite isn’t just a cosmetic issue — left untreated, it can gradually wear down your teeth, strain your jaw, and affect how you feel day to day. The encouraging part is that effective, comfortable treatment options exist for every age and every lifestyle.
Ready to find out what your options look like? Schedule a free consultation at Dischinger Orthodontics in Lake Oswego. You’ll leave with a clear picture of your bite, a personalized treatment plan, and answers to every question on your mind — no obligation required.