Tooth fillings play a pivotal role in safeguarding our oral health— serving as a protective shield for our teeth, fixing cavities, and restoring the normal function and shape of the tooth.
However, a question that often arises is, “How long do tooth fillings last?” This article aims to provide a comprehensive answer to that query, delving into the lifespan of different types of fillings, factors that can impact their durability, and maintenance tips for prolonging their lifespan.
What is tooth filling?
A tooth filling is a minor dental procedure utilised to repair a cavity or hole in a tooth caused by decay. This procedure entails removing the decayed portion of one’s tooth and filling the space with a suitable material to restore its function, shape, and strength.
There are various types of tooth fillings available, including temporary and permanent options— each with its own set of benefits and considerations.
Temporary fillings are often used as a short-term solution to protect the tooth while awaiting a permanent filling. On the other hand, permanent fillings are designed to provide long-lasting restoration to the tooth.
How long does tooth filling last?
The lifespan of a tooth filling may vary significantly, primarily depending on the material used. While some fillings may last a few years, others can last decades.
To give you a clearer picture of the lifespan of different filling materials, here’s a summary:
| Filling Material | Average Lifespan |
| Amalgam | 10-15 years |
| Composite Resin | 5-10 years |
| Gold | 15-30 years |
| Glass Ionomer | 5 years |
How long does a temporary tooth filling last?
Temporary fillings are typically utilised as an interim solution until a more permanent restoration is performed.
They are often employed in root canal procedures or when a cavity needs to be cleaned over multiple visits. In practice, temporary fillings generally last for a few weeks to a few months.
How long does a permanent tooth filling last?
Permanent tooth fillings are designed to last for many years. The type of material utilised plays a crucial role in determining the longevity of the filling.
For instance, gold and amalgam fillings are known for their durability and can last for up to 15–30 years and 10–15 years, respectively. However, they may eventually require replacement due to wear and tear or other factors.
Factors affecting tooth-filling longevity
Several factors may influence the lifespan of tooth fillings. These include the filling material, oral hygiene practices, dietary habits, and certain dental behaviours.
Tooth filling material
The filling material deployed plays a significant role in determining its lifespan. Here’s a brief overview of common filling materials:
- Amalgam: Known for its durability, amalgam fillings can last 10–15 years or more. However, they are less aesthetically pleasing than other options.
- Composite resin: These tooth-coloured fillings blend seamlessly with natural teeth but may need replacement every 5–10 years due to wear and staining.
- Gold: While expensive, gold fillings are exceptionally durable and can last 15–30 years or longer with proper care.
Oral hygiene
Maintaining good oral hygiene is critical to extending the life of one’s fillings. Fortunately, regular brushing, flossing, and dental checkups help prevent plaque and decay around the filling.
Diet
Your diet can impact the longevity of your fillings. Sugary and acidic foods can contribute to decay and wear down fillings over time. So, always opt for healthy food choices that promote oral health and filling longevity.
Dental habits
Habits like grinding one’s teeth or using your teeth as ‘makeshift tools’ may damage fillings and necessitate earlier replacement. So, be mindful of these habits to preserve the integrity of your fillings.
Signs your tooth filling needs replacement
Keep an eye out for these common signs that may indicate it’s time to replace your filling:
- Chipping or cracking of the filling material.
- Sensitivity to hot or cold temperatures.
- Persistent pain or discomfort around the tooth when biting down or chewing food.
- Loosening of the filling.
- Discolouration of tooth-coloured fillings.
How to maintain your tooth fillings
Taking care of your fillings can significantly enhance their longevity. Here are some actionable tips to consider to maintain your tooth fillings optimally:
- Maintain good oral hygiene habits, for example, regular brushing and flossing.
- Visit your dentist regularly for scheduled checkups and professional cleanings.
- Limit sugary or acidic food consumption.
- If you grind your teeth, consider procuring a mouthguard to protect your fillings.
Conclusion
While tooth fillings are designed to be durable, they aren’t indestructible— and, as such, are susceptible to a number of issues. However, by adopting proper oral hygiene and dietary habits, one can ensure that their fillings last as long as possible.
Regular dental checkups are also indispensable as they allow a dentist to monitor the condition of one’s fillings— and replace them when necessary. Make an appointment with mydentist® today for tooth filling service that last.
Dr. Foo Chi Chean is a highly esteemed dental surgeon and implantologist based in Kuala Lumpur, Malaysia.
He holds the position of Pacific Rim Representative of the American Academy of Osseointegration and has served as the first Malaysian President of the Asian Oral Implant Academy. With a Bachelor's degree from the University of Malaya (BDS, 1977), Dr. Foo has developed a profound expertise in oral implantology and cosmetic dentistry.
Dr. Foo's illustrious career includes extensive lecturing on cosmetic dentistry and implantology across the globe. He has been invited to share his knowledge in countries such as Japan, Korea, Hong Kong, Thailand, Taiwan, China, Indonesia, Singapore, Vietnam, the Philippines, and Malaysia.
He has been conferred prestigious Fellowships from the International College of Dentists (Washington), the International Congress of Oral Implantology (USA), and the Asian Oral Implant Academy (Tokyo).
In addition to his clinical and lecturing roles, Dr. Foo has served as the Consultant Cosmetic Dentist for the Miss Tourism International Pageant and the Queen of the Year International Finals.
Recognized for his contributions to dental wellness, he has been honoured as a diplomate of the International Congress of Implantologists (USA).
For more information or to make an appointment with Dr. Foo, visit mydentist.com.my
