
ServicesFillings
Dental Fillings in Marlborough
A small cavity caught early is one of the simplest things we fix. We place tooth-colored fillings that blend with your smile, and we go over what your insurance is likely to cover before we start, so the bill holds no surprises.
When a Filling Is the Right Repair
A filling replaces tooth structure lost to decay or a small break. We remove the softened part of the tooth, clean the space and rebuild it with composite resin, a tooth-colored material that adheres directly to enamel. Because it grips the tooth itself, we can often keep more of your natural tooth than older techniques allowed.
Fillings suit cavities and chips that leave most of the tooth strong. When decay or a crack has reached too far, a filling can split the tooth later, and a crown is the better long-term answer. We tell you which one we see and why, and you can read more on our Crowns & Bridges page.
Our office has been in practice over 11 years, and in that time the most common worry we hear about fillings is not the needle. It is not knowing what the visit will cost. We take that question seriously from the first phone call.
What Your Filling Visit Includes
An exam and X-ray of the tooth
We look at the tooth directly and on a digital X-ray to see how deep the decay runs. That image also becomes part of your record if your plan asks for documentation.
Numbing that is given slowly
We apply a topical gel first, then numb the area gradually. Most patients feel pressure during the work and little else.
Composite resin, placed in layers
We shade-match the resin to your tooth, then build it up in thin layers and harden each one with a curing light. Layering reduces shrinkage and helps the edges seal well.
Bite check and polish
Before you leave, we check your bite with marking paper and adjust any high spots. A final polish gives the surface the same soft sheen as the enamel around it.
A written estimate and coverage review
You get a line-item estimate showing the tooth, the number of surfaces and what we expect your plan to pay. If something changes once the tooth is open, we stop and explain before going further.

Signs You May Need a Filling
- A twinge with cold or sweets
- Short, sharp sensitivity to ice water or sugar often points to decay that has reached the softer layer under the enamel.
- Floss that catches or shreds
- A rough edge between teeth can mean a cavity has formed there or an old filling has started to break down.
- A dark spot or a visible hole
- Brown or gray patches in a groove are sometimes stain and sometimes decay. An exam tells the difference.
- An old silver filling with a cracked edge
- Metal fillings expand and contract over the years. Small fractures along the margin let bacteria back in underneath.
- A chipped corner
- A small chip from biting something hard can usually be rebuilt with tooth-colored resin before it grows.
How the Appointment Runs
- 1
Your call and coverage check
When you book by phone, have your dental plan card handy. We verify your benefits ahead of the visit so we can explain your likely share at the chair.
- 2
Exam, X-ray and the plan
We confirm what the filling needs to cover and show you the X-ray. You decide whether to go ahead that day or schedule another time.
- 3
Cleaning out and rebuilding
With the tooth numb, we remove the decay, prepare the surface so the resin can adhere, and place it layer by layer. A single filling usually takes well under an hour.
- 4
After you leave
You can eat once the numbness wears off, since composite is fully hardened before you stand up. Some mild sensitivity for a few days is normal; if your bite feels high, call us and we will adjust it.
What Shapes the Cost of a Filling
Filling fees are set by the tooth and how many surfaces the repair covers, not by a flat rate. Coverage changes the picture too, and plans differ more than most people expect. We give you a written estimate first so you can decide with the numbers in front of you.
- Number of surfaces
- A filling on one surface of a tooth is billed differently from one that wraps across two or three. The X-ray and exam tell us which applies.
- Front or back tooth
- Some plans pay for tooth-colored fillings on back teeth only at the rate of a silver filling, leaving the difference to the patient. We check for this clause and tell you before treatment.
- Your plan's deductible and percentage
- Many PPO plans treat fillings as basic care, paid at a set percentage after the deductible. Where you are in your plan year matters.
- Paying without a plan
- Our Office Dental Plan is available for patients without insurance, and we also offer the CareCredit Patient Payment Plan if you would like to spread the cost out.
Questions About Fillings
- Will my insurance cover a tooth-colored filling?
- We accept most dental insurance plans, and most cover fillings in some form. The detail to watch is whether your plan pays full composite rates on back teeth. We look up your benefits and explain your share before we begin.
- How long does a composite filling last?
- It depends on the size of the filling, where it sits and habits like grinding. Small fillings on teeth that are cared for well tend to hold up for many years. We check every filling at your Exams & Cleanings visits so wear is caught early.
- Should I replace my old silver fillings?
- Not automatically. If a metal filling is intact with tight edges, leaving it alone is usually sensible. We recommend replacing one when it has cracked, leaked or has decay forming underneath, and we show you the image so you can see it yourself.
- Can my child get a filling here too?
- Yes. Children's cavities are treated with the same tooth-colored material, with extra time and patience in the chair. Our Kids' Dentistry page covers what those visits look like.
- Does a filling hurt?
- With the tooth properly numb, most patients describe the work as pressure and vibration, not pain. Tell us at any point if you feel something, and we will pause and add more anesthetic.
Let's Take Care of That Tooth
A small cavity stays simple when it is treated early. Call to set up your appointment, and we will check your coverage before you arrive.