Great Lakes Dentistry

Tooth Cavity Filling Cost

Understanding dental filling costs can help patients plan treatment early

Great Lakes Dentistry
March 6, 2026
8 min read

How Much Does a Tooth Cavity Filling Cost? Complete Dental Filling Price Guide

Tooth decay is one of the most common oral health problems affecting people of all ages. When cavities develop, dentists typically restore the damaged tooth using a dental filling. Because many patients research treatment prices before visiting a dental clinic, the tooth cavity filling cost is one of the most searched dental topics online.

Patients often ask questions like how much does it cost to fill a cavity, how much is a filling, or how much does dental filling cost in Canada. Understanding dental filling prices helps patients prepare for treatment.

Quick Answer: Tooth Cavity Filling Cost

The tooth cavity filling cost in Canada usually ranges between $150 and $400 per tooth, depending on the filling material, cavity size, and number of tooth surfaces affected.

Typical Dental Charges for Fillings

  • Small cavity filling: $150 – $250
  • Composite tooth filling: $200 – $400
  • Larger cavity filling: $300 – $600+

Common Questions Patients Ask

  • How much does a filling cost in Ontario?
  • How much does tooth filling cost in Canada?
  • How much is a filling in Canada?
  • How much is tooth filling?

The exact tooth cavity filling cost is determined during a dental examination.

What Is a Tooth Cavity Filling?

A tooth cavity filling is a restorative dental treatment used to repair a tooth damaged by decay. When bacteria break down tooth enamel, they create cavities that weaken the tooth structure.

During treatment, the dentist removes the decayed portion of the tooth and fills the space with a restorative material to restore the tooth and prevent further damage.

Important Fact

Cavities do not heal on their own once structural damage occurs.

Common Filling Materials

  • Composite (tooth-colored fillings)
  • Amalgam (silver fillings)
  • Ceramic or porcelain fillings
  • Gold fillings

The material used affects the overall tooth filling price.

Average Dental Filling Cost in Ontario

Many patients want to know how much a filling costs in Ontario before visiting a dentist.

Composite Filling

Typical cost ranges between $180 – $400.

Amalgam Filling

Usually ranges between $120 – $250.

These estimates represent the average dental filling cost in Ontario.

Dental Filling Cost Across Canada

  • Basic cavity filling: $150 – $300
  • Composite filling: $200 – $450
  • Complex cavity filling: $350 – $600+

These ranges explain how much dental filling cost may vary across Canada.

Factors That Affect Dental Filling Cost

  • Type of filling material
  • Size of the cavity
  • Number of tooth surfaces affected
  • Dental examination and X-rays
  • Insurance coverage

How Much Is a Tooth Filling Without Insurance?

Without insurance, the filling cost teeth procedures require usually ranges between $150 and $400 per tooth.

Signs You May Need a Dental Filling

  • Tooth sensitivity to hot or cold foods
  • Tooth pain when chewing
  • Visible dark spots or holes on a tooth
  • Rough tooth surface
  • Food frequently getting stuck between teeth

Why Early Treatment Saves Money

Treating cavities early usually results in a lower tooth cavity filling cost. Small cavities require less treatment and protect the tooth structure.

Benefits of Early Treatment

  • Lower treatment cost
  • Less invasive dental procedures
  • Reduced tooth damage
  • Better long-term oral health

Preventing Cavities

  • Brush teeth twice daily with fluoride toothpaste
  • Floss regularly
  • Limit sugary foods and drinks
  • Drink water frequently
  • Schedule regular dental checkups

Concerned About a Cavity?

Early dental evaluation can prevent serious dental problems and expensive treatment.

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Professional Dental Care in Oakville

At Great Lakes Dentistry, patients receive comprehensive dental evaluations, preventive care, and restorative treatments designed to protect natural teeth.

Great Lakes Dentistry

Dental Care Team

    • Comprehensive dental examinations
    • Preventive dentistry focus
    • Modern restorative treatments
    • Patient-centered care

Understanding the tooth cavity filling cost helps patients prepare for dental treatment and make informed decisions about oral health.

Maintaining good oral hygiene, scheduling regular dental checkups, and treating cavities early can help reduce overall dental costs and protect long-term oral health.

Why Early Treatment Saves Money

Treating cavities early usually results in a lower tooth cavity filling cost. Small cavities can be repaired quickly with a simple filling.

If decay spreads deeper into the tooth, more complex procedures such as root canal treatment or dental crowns may be required, significantly increasing the overall dental treatment cost.

According to guidance from the Canadian Dental Association, early cavity treatment helps prevent serious oral health problems and reduces long-term dental expenses.

Frequently Asked Questions

How much does it cost to fill a cavity?

Most dental fillings cost between $150 and $400 depending on cavity size and filling material.

How much does dental filling cost in Canada?

Dental filling cost in Canada typically ranges from $150 to $600 depending on treatment complexity.

How long does a dental filling take?

Most fillings take between 20 and 60 minutes.

Can cavities be prevented?

Yes. Brushing, flossing, and regular dental checkups help prevent cavities.

Final Thoughts

Benefits of Early Dental Care

  • Less invasive treatment
  • Lower long-term costs
  • Reduced discomfort
  • Better tooth preservation

Understanding the tooth cavity filling cost helps patients prepare for dental treatment and make informed decisions about oral health.

Maintaining good oral hygiene, scheduling regular dental checkups, and treating cavities early can help reduce overall dental costs and protect long-term oral health.

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