A standard dental filling without insurance typically costs between $150 and $400, depending on the material used, the size of the cavity, and where you live. Smaller cavities filled with basic materials fall on the lower end, while larger restorations or tooth-colored materials push the price higher. That’s just the filling itself. Factor in the exam and X-rays needed to diagnose the cavity, and you’re looking at an additional $100 to $300 on top.
Cost by Filling Material
The material your dentist uses is the single biggest factor in what you’ll pay. There are four common types, and the price differences are significant.
Silver amalgam fillings are the least expensive option, generally running $50 to $200 per tooth. Amalgam is a mix of metals that’s been used for over a century. It’s durable and works well for back teeth where chewing force is greatest, but the dark silver color makes it a poor choice for visible teeth.
Composite resin is the most popular filling material today. It’s tooth-colored, so it blends in, and it bonds directly to the tooth structure. Expect to pay $150 to $400 per filling. Composite costs more than amalgam partly because the placement technique is more involved. The dentist applies it in layers and cures each one with a special light, which takes more chair time.
Porcelain inlays and onlays are custom-made restorations used for larger areas of decay that a standard filling can’t cover well. These run $800 to $1,200 on average. They’re fabricated in a lab or milled in the office, which adds to the cost, but they’re extremely durable and look natural.
Gold inlays and onlays cost $600 to $1,000 on average. Gold is the most durable filling material available and can last decades. Few patients choose it today because of the visible metallic color, but it remains an option for back teeth.
What Else You’ll Pay For at the Visit
Before a filling can be placed, you need a diagnosis. That means an exam and at least one set of X-rays. If you’re an uninsured patient walking in with a toothache, here’s what those diagnostic costs look like based on 2024 national averages.
A bitewing X-ray, the standard type used to spot cavities between teeth, averages $65 but can range from $52 to $120. A periapical X-ray, which shows the full root of a single tooth, averages $55. If you haven’t been to a dentist in years and they want a complete picture, a full-mouth series runs $175 to $428, averaging $226. A panoramic X-ray, which captures your entire jaw in one image, averages $200.
Add in the exam fee, which typically runs $75 to $200 for a new patient, and the total cost for diagnosing and filling a single cavity without insurance lands somewhere between $250 and $600 for a composite filling. Multiple cavities at the same visit will raise the filling cost but won’t double the diagnostic fees, since those are done once.
Why Location and Tooth Size Matter
A filling in Manhattan will cost considerably more than the same procedure in a rural town in Arkansas. Dental fees track closely with local cost of living, and prices can vary 50% or more between regions. Urban areas with high overhead, think rent, staff wages, and equipment costs, consistently charge more.
The tooth itself matters too. A small cavity on a flat front tooth is a quick, straightforward repair. A large cavity on a molar with multiple surfaces involved takes more time, more material, and more skill. Dentists price fillings partly by how many surfaces of the tooth need restoration. A one-surface filling on a front tooth might be $150, while a three-surface filling on a molar could be $350 or more, even with the same material.
The Cost of Waiting Too Long
Putting off a filling because of cost is one of the most expensive decisions you can make in dentistry. A cavity that could be fixed with a $200 filling today can progress into the tooth’s nerve within months, turning a simple problem into one that requires a root canal, a buildup, and a crown.
A root canal alone costs $620 to $1,500 without insurance, depending on the tooth. Front teeth are on the lower end, while molars, which have more root canals to clean, run $890 to $1,500. That cost covers only the root canal itself. The tooth still needs to be restored afterward, usually with a crown that can add another $800 to $1,500. All told, a tooth that started as a $200 filling can easily become a $2,000 to $3,000 problem. And if the infection spreads or the tooth becomes unsalvageable, you’re looking at an extraction and potentially an implant, which can exceed $4,000.
Ways to Lower the Cost
Dental Schools
University dental schools offer treatment performed by students under close faculty supervision. Fees are generally 25% to 50% less than what private practices charge. A composite filling that costs $300 at a private office might run $150 to $225 at a dental school. The trade-off is time. Appointments take longer because students work carefully and instructors check their work at each step. Most major cities have at least one dental school clinic, and the quality of work is high because faculty are watching every move.
Dental Discount Plans
If you don’t have insurance, a dental discount plan is not insurance but can reduce what you pay. These plans charge an annual membership fee, often starting around $49 per year, and give you discounted rates at participating dentists. One major chain offers 15% off fillings, 20% off crowns and bridges, and free exams and X-rays for plan members. Additional family members can be added for roughly $29 per person per year. The math works in your favor if you need more than one procedure. Free X-rays and an exam alone can save you $150 to $300, which more than covers the membership cost.
Community Health Centers
Federally qualified health centers (FQHCs) provide dental care on a sliding fee scale based on your income. If you’re uninsured and your income is low, you may pay very little. These centers exist in every state and are required to see patients regardless of ability to pay. The U.S. Health Resources and Services Administration maintains a searchable directory online.
Negotiating and Payment Plans
Many private dentists will offer a cash-pay discount if you ask, typically 10% to 20% off. Some also offer in-house payment plans or work with third-party financing that lets you spread the cost over several months with no interest if paid within a promotional period. It’s worth asking before your appointment so you know your options.
Choosing the Right Filling Material
For most uninsured patients paying out of pocket, composite resin hits the sweet spot between cost, appearance, and durability. It works on both front and back teeth, lasts 7 to 15 years with good care, and looks natural. Amalgam saves money upfront and is slightly more durable in high-pressure areas, but many dentists have stopped offering it entirely, and some patients prefer to avoid it for cosmetic reasons.
Porcelain and gold restorations make sense when the cavity is large enough that a standard filling might not hold up. Your dentist will tell you if an inlay or onlay is recommended. These cost more initially but can last 20 to 30 years, which sometimes makes them the better long-term value for a tooth that would otherwise need repeated repairs.