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How Long Do Fillings Last?

July 27, 2023

Filed under: Uncategorized — centeronedental @ 1:56 am
person with dental fillings smiling

Dental fillings play a vital role in maintaining oral health and restoring smiles. Whether you’ve had fillings for years or are considering getting them, understanding their expected lifespan is essential for long-term dental care. Keep reading as we explore the factors that influence the durability of dental fillings and provide insights into how many years you can typically expect them to last.

The Size of the Cavity

The durability of dental fillings is, to a degree, contingent upon their size. Typically, smaller fillings can endure for approximately 20 to 40 years. However, larger fillings might have a shorter lifespan owing to their increased complexity. In such instances, a dentist may suggest replacing the filling with a crown to mitigate potential complications in the future.

The Type of Material Used

The longevity of dental fillings is also dependent on the selection of materials. There are several filling materials to choose from, including:

  • Amalgam (silver) fillings – Amalgam fillings consist of a mixture of copper, silver, tin alloy particles, and possibly elemental mercury. Typically, these fillings endure for a lifespan of about six to 15 years.
  • Glass ionomer fillings – Crafted from a combination of glass and acrylic, these fillings are relatively less durable than their counterparts, typically having a lifespan of approximately five years.
  • Composite fillings – Composite fillings, a mixture of ceramic resin and acrylic, mimic the color of natural teeth and can seamlessly integrate with your own. Generally, these fillings have a lifespan of about seven to ten years.
  • Gold fillings – Although porcelain fillings may be associated with a higher cost compared to amalgam or composite materials, they tend to have a longer lifespan, often exceeding 20 years.
  • Ceramic fillings – Porcelain fillings, recognized for their exceptional quality and a price point higher than gold, can endure for 15 years or potentially longer.

Oral Health Factors

Numerous factors related to oral health can impact the longevity of dental fillings, such as:

  • Teeth grinding – Bruxism, commonly referred to as teeth grinding, can expedite the wear and tear of fillings, ultimately diminishing their lifespan as dental restorations.
  • Poor oral hygiene – Insufficient oral hygiene practices, including inadequate brushing and flossing, elevate the likelihood of decay in various parts of the mouth. With time, this decay can potentially affect existing fillings or even require the placement of new ones.
  • Bite alignment issues – Misaligned teeth or an uneven bite can lead to unequal pressure on dental fillings, potentially weakening or causing them to fracture over time.
  • Gum health – Sustaining excellent periodontal health plays a crucial role in preserving the stability of dental fillings. Gum disease can trigger gum recession, which exposes the edges of fillings to bacterial intrusion, putting their durability and lifespan at risk.

The longevity of dental fillings is influenced by various factors, including their size and the materials used. Regular dental check-ups and maintaining good oral hygiene practices are essential for monitoring the condition of your fillings and ensuring they remain in optimal shape!

About the Practice

Center One Dental, under the leadership of Dr. Raj Vekariya and his skilled team, is committed to delivering comprehensive dental care to Canonsburg residents and its neighboring areas. Their experienced team is available to offer advice on safeguarding your smile and address any questions regarding the durability of dental fillings, ensuring your new smile maintains its longevity. To discover more or arrange an appointment with Center One Dental, please reach out to their office at (724) 300-3700 or visit their website

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