The Hidden Science Behind Tooth Fillings for Cavities
Thursday July 30, 2026
One of the things people sometimes worry about with dental fillings is whether or not they’re safe. When you get a filling from Dr. Spencer Hoyt at Fort Worth Dental Arts, you can rest assured that he’s always using a safe dental filling material.
What Is a Tooth Filling, and When Does Someone Need One?
Dentists use tooth fillings to repair a tooth if it’s been damaged from decay. Fillings are a routine part of dentistry, and they help you keep your natural teeth for longer. Any time you can save a tooth, it’s always the best thing to do.
How Do I Know if I Need a Filling?
Honestly, the only way to know for sure if you have a cavity is to let Dr. Hoyt do a thorough examination. But if you have any of these symptoms, it’s a cavity red flag:
- Sensitive to sweet foods.
- Pain when you put something hot or cold in your mouth.
- It hurts when you chew.
- Dark spots you can see.
- Food is constantly getting stuck in the same spot.
What Happens if I Ignore a Cavity and Don’t Get a Filling?
A cavity isn’t going to get better on its own. You can count on it getting worse over time. If you don’t get it taken care of, you might eventually lose your tooth. And also, dental care can be costly if you need a root canal or a crown. Or if you lose your tooth completely, you’ll need a dental implant.
What Happens at a Tooth Filling Appointment?
Your filling appointment with Dr. Hoyt goes pretty fast.
- Dr. Hoyt looks at your teeth and takes X-rays.
- The affected area is numbed.
- He carefully removes the decayed part.
- Area is cleaned and prepped.
- Filling material is placed into the cavity and shaped.
- Local anesthetic is applied to numb the area, if needed.
- The decayed part of the tooth is carefully removed.
- The area is cleaned and prepped for filling material.
What Materials Are Used for Dental Fillings, and Are They Safe?
The dental fillings dentists use now are thoroughly evaluated for safety. Dr. Hoyt follows professional guidelines along with scientific evidence when he recommends a safe dental filling material for your cavity.
- Composite: Tooth-colored. Popular for front teeth and areas you can see in your smile.
- Amalgam (silver-colored): Has a noticeable metallic color. Usually used in your back teeth, where no one can see it.
- Gold: The most long-lasting and also biocompatible. But gold is more visible, and it’s expensive.
- Ceramic or porcelain inlays/onlays: Tooth-colored and super strong
How Long Does a Tooth Filling Last?
A filling doesn’t last forever. But they can hold up for a long time. It depends on how well you take care of your teeth and also the material used.
- Composite: 5-10 years.
- Amalgam: 10-15 years.
- Gold: 15-30 years.
- Ceramic/porcelain: 10-15 years.
Most importantly, be sure to see Dr. Hoyt every six months for cleanings and checkups.
What Type of Tooth Fillings for Cavities in Fort Worth, TX, Is Best for Me?
Dr. Spencer Hoyt will walk you through all of your options so you can make the most informed decision. Call (817) 529-1600 today, and the team will get you set up for a visit to 2421 W 7th St 103, Fort Worth, TX 76107.
