How long does a white filling last and why is it a good choice?

Dental fillings are a common treatment option for teeth that have been broken as a result of decay or injury. Traditionally, amalgam fillings were the choice for treating dental cavities, but white fillings (or composites) have become more popular over the years.

How long does white filling last?

The longevity of a white filling is dependent on various elements, such as filling location, cavity size, oral hygiene practices you engage in, and what material of the filling is used. In general, the white fillings survive for approximately 7 to 10 years, though they often extend beyond this range with good care.

Factors Influencing the Durability of White Fillings

Size and Location: Fillings in cavities remain for a longer time when they are smaller. White fillings can be used in both the front and back teeth but those placed on the chewing surfaces may suffer more wear and tears.

Oral Hygiene: White fillings should be maintained by regular brushing, flossing, and routine dental check-ups.

Filling Material: The quality of dental composite material used as well as dentist’s technologies are factors in how long a white filling will last.

Diet: The longevity of the white fillings may be hampered by having a sugary and acidic food and drink diet which could increase the probability of dental decay. A balanced diet contributes to better oral health.

Why white fillings are considered a good choice?

Aesthetics: The white fillings are composed of reusable resin that can be made to match the natural shade of your teeth. This enables them to merge seamlessly with your smile, almost becoming invisible.

Preservation of Tooth Structure: White filling needs less removal of healthy tooth structure compared with amalgam fillings. Instead, dentists make more conservative preparations, preserving more of your natural tooth.

Biocompatibility: Composite resin is a biocompatible material, which means it is safe and well-tolerated by the body.

Reduced Sensitivity: White fillings are less likely to cause teeth sensitivity than amalgam fillings which tend to expand and retract when temperatures change. This makes them a desirable option to many patients.

Strong and Durable: White fillings are hard and long-lasting. They provide excellent support to tooth structures and can endure the normal bite and chew forces.


The white fillings are capable of seamlessly blending with the natural teeth, preserving the tooth structure, they are biocompatible, versatile, have reduced sensitivity, and overall durability making them among the best choices both for patients and dentists. While the longevity of white fillings can be diverse, proper oral care and quality materials can ensure their durability, making them often suitable for keeping a healthy, functional, and beautiful smile.

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