Now accepting new patients  All major insurance welcome (559) 438-6177 6319 N Fresno St, Ste 101, Fresno
Blog

How Long Does a Dental Filling Last?

A happy woman getting a dental check-up to assess her dental fillings

February 21, 2025

Dental fillings are a common solution for cavities, but how long do they actually last? The lifespan of a filling depends on various factors, including the material used, oral hygiene, and daily habits. Let’s explore how long different types of fillings last and how you can extend their durability.


Types of Dental Fillings and Their Lifespan

Different materials offer different levels of durability. Here’s a breakdown:

1. Composite (Tooth-Colored) Fillings

  • Lifespan: 5 to 10 years
  • Pros: Aesthetic, blends with natural teeth
  • Cons: Less durable than metal fillings

2. Amalgam (Silver) Fillings

  • Lifespan: 10 to 15 years
  • Pros: Strong and long-lasting
  • Cons: Visible in the mouth, contains mercury

3. Gold Fillings

  • Lifespan: 15 to 30 years
  • Pros: Extremely durable
  • Cons: Expensive and requires multiple visits

4. Ceramic (Porcelain) Fillings

  • Lifespan: 10 to 15 years
  • Pros: Aesthetic and stain-resistant
  • Cons: More brittle than other materials

5. Glass Ionomer Fillings

  • Lifespan: 5 to 7 years
  • Pros: Releases fluoride for added protection
  • Cons: Less durable, mainly used for temporary fillings

Factors That Affect Filling Longevity

🦷 Oral Hygiene: Brushing, flossing, and regular dental visits prevent decay around the filling.
🥤 Diet: Acidic and sugary foods can weaken fillings over time.
🦷 Grinding & Clenching: Bruxism can cause fillings to wear out faster.
🤕 Trauma: Hard impacts or biting into hard foods can crack or loosen fillings.


How to Make Your Dental Filling Last Longer

Brush and Floss Daily: Keep bacteria and plaque at bay.
Avoid Hard and Sticky Foods: Minimize stress on the filling.
Wear a Mouthguard: If you grind your teeth at night, use a custom mouthguard.
Schedule Regular Check-Ups: Visit Fresno Dental Care for professional exams and cleanings.


Signs You Need a New Filling

Pain or Sensitivity – Especially when eating or drinking hot/cold foods.
Cracks or Chips – A damaged filling can allow bacteria to enter.
Rough or Sharp Edges – Can indicate wear or loosening.
Discoloration or Dark Spots – Possible decay underneath the filling.

If you notice any of these signs, a replacement or even a root canal may be necessary.


Final Thoughts

So, how long does a dental filling last? It depends on the material and your oral care routine. With proper maintenance, fillings can last many years before needing replacement. If you’re experiencing issues with an old filling, schedule an appointment with Fresno Dental Care or call +1 559-438-6177 today!

From our patients

What Fresno is saying

Ready when you are

Let’s get you on the schedule.

New patients of all ages are welcome. We accept all major PPO insurance, cash, and Medi-Cal / Denti-Cal — and we’ll verify your benefits before you arrive, so there are no surprises.

Visit us

Book your appointment

Send us a message and our team will get back to you — or call us directly. New patients welcome.


    Routine CheckupNew Patient VisitSpecific Concern

    Our office

    Fresno Dental Care

    Get directions →