What Are Dental Fillings?
A dental filling is one of the most common restorative procedures in dentistry. It treats a tooth that has been damaged by decay, a small fracture, or wear. At Alameda Dental, we use tooth-colored composite resin to fill cavities and restore the tooth’s natural shape and function. Composite fillings bond directly to your enamel, creating a strong, sealed restoration that blends with the rest of your smile.
Unlike silver amalgam fillings, composite resin contains no mercury and can be matched to the shade of your natural teeth. This makes it an excellent choice for both front and back teeth. After removing the decayed portion of the tooth, Dr. Barnes places the material in layers, curing each with a special light. The final result is a durable filling that looks and feels like healthy tooth structure.
How Do Fillings Work?
The filling process addresses tooth decay—a bacterial infection that eats away at enamel, creating a cavity. Left untreated, decay progresses deeper into the tooth, eventually causing pain and potential infection. A filling stops this process by removing the compromised tissue and rebuilding the tooth.
At your appointment, we numb the area, clean out the cavity, and shape the tooth to receive the composite. A bonding agent is applied to help the filling material adhere. Dr. Barnes places the composite in increments, hardening each layer with a curing light to ensure a thorough set. After building up the tooth, she sculpts it to match your bite and polishes it smooth. The entire procedure typically takes one visit, and because we use a light-cured material, you can eat and drink soon after—once the local anesthetic wears off.
Who Is a Good Candidate for Fillings?
Fillings are appropriate when decay affects a single tooth or a few teeth and the damage is not so extensive that it weakens the tooth's structural integrity. You may be a candidate if you have: - A new cavity detected during an exam - A small chip or worn area on a tooth - An older amalgam filling that you wish to replace for cosmetic reasons - Minor to moderate tooth sensitivity or roughness
During your consultation, we take low-radiation digital X-rays and perform a visual exam to determine the depth of the decay. If the cavity is too deep or too wide, or if the tooth has cracks extending below the gumline, a filling may not suffice. In those cases, we discuss alternative restorations like inlays, onlays, or crowns. Our goal is to recommend the most conservative treatment that will reliably protect your tooth. We never push fillings when another option would be more durable.
The Filling Procedure Step by Step
Here is what a typical filling appointment involves:
- Numbing: We apply a topical gel to prepare the gum, then administer a local anesthetic. You may feel a brief pinch, but once it takes effect, the tooth and surrounding area become numb. We proceed only when you confirm you are comfortable.
- Decay Removal: Using a high-speed handpiece and sometimes a laser or air abrasion (for very small cavities), Dr. Barnes gently removes the decayed enamel and dentin. She checks the cavity with a cavity detector dye to ensure no infected tissue remains.
- Cleaning and Preparation: The cavity is rinsed and disinfected. If the cavity is deep, a protective liner may be placed to insulate the nerve.
- Bonding: An etchant and bonding agent are applied to the tooth surface. This creates micro-retention and helps the composite adhere chemically to the tooth.
- Filling Placement: Composite is applied in thin layers. Each layer is shaped and then hardened with a blue curing light for about 20-40 seconds. This incremental build-up reduces shrinkage and strengthens the restoration.
- Shaping and Polishing: After the final layer is cured, Dr. Barnes uses high-speed and low-speed burs to contour the filling so it feels natural. She checks your bite with articulating paper and makes any necessary adjustments. The filling is then polished to a smooth, glossy finish that resists staining and feels comfortable against your tongue and cheek.
The entire visit for a single filling usually requires less than an hour. For multiple fillings, we may schedule a longer appointment or break treatment into several visits.
Aftercare and Recovery
Once the numbness subsides (typically within 2–4 hours), you can resume most activities. Some patients experience mild sensitivity to hot, cold, or pressure for a few days; this is normal and should gradually diminish. We recommend: - Avoid chewing on the filled side until the anesthetic has completely worn off to prevent biting your cheek or tongue. - Eat soft foods for the first 24 hours if the tooth feels tender. - Maintain good oral hygiene, but be gentle around the new filling for the first day. - If your bite feels uneven after the numbness is gone, call us. An adjustment is quick and helps avoid long-term irritation.
With diligent care—brushing twice daily, flossing, and attending regular checkups—your composite filling can provide years of reliable service. Its lifespan depends on factors like oral hygiene, diet, and forces from clenching or grinding. We monitor your fillings at each recall visit and can repair or replace them if signs of wear appear.
Benefits and Realities of Composite Fillings
Composite fillings offer several compelling advantages: - Natural appearance: The material matches your tooth color, making fillings virtually invisible. - Conservative tooth preparation: We can remove less healthy tooth structure than with amalgam fillings because the composite bonds chemically, requiring no mechanical retention. - Mercury-free: Composite contains no mercury, which addresses concerns some patients have about amalgam. - Versatility: In addition to cavities, composite can repair small chips, close gaps, and reshape teeth. - Single-visit completion: No need for temporaries or second appointments.
However, no restoration matches the durability of intact, healthy enamel. Composite fillings may stain over time (especially if you consume coffee, tea, or red wine), and they can chip if subjected to extreme forces. For very large cavities, a laboratory-fabricated inlay, onlay, or crown may last longer. We discuss these trade-offs openly during your consultation so you can make an informed choice.
It is also important to note that fillings do not make the tooth immune to future decay. If plaque accumulates at the margin, decay can recur. This is why regular exams and cleanings remain essential.
Cost and Insurance
The cost of a filling depends on the number of tooth surfaces involved (one-surface, two-surface, three-surface, or more), the extent of the preparation, and your specific insurance benefits. At Alameda Dental, we accept most major dental insurance plans. Many plans cover a portion of composite fillings, often reimbursing at the amalgam fee schedule; you would then be responsible for the difference. We verify your coverage before treatment and provide a written estimate with no hidden fees.
We also accept most payment methods and can discuss third-party financing options if needed. Our team works with you to fit necessary treatment into your budget. Call (303) 343-7072 to learn more about fees and payment arrangements.
Schedule a Filling Consultation
If you think you might have a cavity, notice a rough spot on a tooth, or are due for a checkup, the first step is an examination. Contact Alameda Dental at (303) 343-7072 or request an appointment online. Dr. Casandra Barnes and our team will assess your oral health, discuss any concerns, and explain whether a filling or another restoration is right for you. We serve Aurora, CO, and surrounding communities from our office at 14591 E Alameda Ave. Same-week appointments are often available for urgent needs.
Request Your Appointment
Alameda Dental is accepting new patients. Contact us today to request your visit.
Frequently Asked Questions
People Also Ask
Dental Terminology
- Composite Filling
- A tooth-colored restorative material used to repair cavities and minor damage while blending with natural enamel.
- Crown
- A custom-made cap that covers a damaged or weakened tooth to restore strength, shape, and appearance.
- Bridge
- A fixed prosthetic that replaces one or more missing teeth by anchoring to adjacent natural teeth or implants.
- Inlay
- A custom restoration fabricated outside the mouth and bonded into a prepared cavity within the cusps of a tooth.
- Onlay
- Similar to an inlay but extends over one or more cusps of the tooth, providing more extensive coverage than a filling.
- Porcelain
- A strong, tooth-colored ceramic material commonly used for crowns, veneers, and inlays that offers excellent aesthetics and durability.
- CEREC
- A same-day crown system that uses digital impressions and in-office milling to fabricate a ceramic restoration in a single visit.
- Marginal Integrity
- The quality of the seal between a restoration and the tooth, critical to preventing recurrent decay and restoration failure.