Restorative Dentistry – How Dental Fillings Work

Ever been told you need a filling and wondered what that really means? You’re not alone. Fillings are one of the most common treatments in restorative dentistry—but also one of the most misunderstood.

Let’s clear the air on what dental fillings are, how they work, and why they’re an essential part of keeping your teeth healthy and strong.

What’s the Point of a Dental Filling?

To understand fillings, we need to talk about cavities. Cavities are small holes in your teeth caused by decay—essentially your tooth getting eaten away by bacteria.

Here’s what happens:

  • Bacteria feed on sugars and carbs.
  • They produce acids that erode your enamel.
  • Over time, this creates a pit or hole—a cavity.

When your dentist spots a cavity, a filling is used to:

  1. Remove the decayed portion of the tooth.
  2. Clean and prepare the area.
  3. Restore the tooth using a material like composite resin, amalgam, or porcelain.

The filling seals off the tooth, preventing further damage and restoring your bite and appearance.

The Filling Process Step by Step

Getting a dental filling is usually a quick, simple process:

  1. Numbing the area – A local anesthetic ensures you won’t feel discomfort.
  2. Removing decay – The dentist uses a drill or laser to clear out the damaged area.
  3. Cleaning the cavity – Any debris or bacteria is removed.
  4. Applying the filling – The material is layered in and shaped to match your bite.
  5. Hardening and polishing – For tooth-colored fillings, a light cures the material instantly.

And that’s it—you’re good to go, usually in under an hour.

Benefits of Dental Fillings Backed by Research

Dental fillings may seem like small fixes, but they have long-term value. According to the National Institute of Dental and Craniofacial Research, untreated cavities can lead to:

  • Tooth infections
  • Severe pain and swelling
  • The need for root canals or extractions
  • Damage to nearby teeth

Timely fillings:

  • Preserve more of the natural tooth
  • Prevent decay from spreading deeper
  • Help avoid more invasive procedures down the line

Modern composite resins also blend seamlessly with your natural tooth color—so no more silver spots unless you prefer them!

Keep Cavities from Getting Worse

Dental fillings are about restoring what’s been lost and protecting what’s still healthy. If your dentist recommends one, it’s not “bad news”—it’s an opportunity to stop damage in its tracks.

Need to check up on a suspicious spot or overdue for a cleaning? Contact Eagle Mountain Dentistry at 817-420-6676 or visit us at 8455 Boat Club Rd, Ste. 175 in Fort Worth, Texas to schedule your appointment and keep your smile going strong.

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We want our new patients not using insurance to start off with the best care available. Schedule an appointment today and get a cleaning, exam, X-Rays, and a free consult or second opinion for only $99.

Using insurance? You can benefit too! We are offering a complimentary teeth whitening treatment for all new patients using insurance.

*$300 value.
*New patients only. Not valid in cases of periodontal disease. Not valid for use with insurance.

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