You might be curious about how metal-free fillings are different than traditional fillings. Your dentist may suggest a metal-free filling instead of one with metal for many reasons. Or you might prefer the look of a metal-free filling. There are many reasons, and knowing more about metal-free fillings can help you decide which is right for you. Here are four questions you can ask your dentist about metal-free fillings.
The Food and Drug Administration (FDA) has approved both metal and metal-free fillings for use. However, some patients have an allergic reaction to some of the ingredients in metal fillings. Those patients do not have to worry about the same allergic reaction with metal-free fillings, which makes this type a better option for many. Metal-free fillings are biocompatible, meaning the ingredients do not pose health risks for patients.
There are several types of metal-free fillings. Composite fillings are a common choice that the dentist can match to the patient’s existing tooth color. Dentists mix resin and plastic and insert the filling while the material is soft. The dentist uses a special light to harden the material in place. Other people may never know a person has composite fillings in place.
Ceramic fillings are another non-metal option. The dentist can also match these fillings to the patient’s tooth color. Ceramic is a more durable material than composite resin and so could last longer. Ceramic is also more resistant to staining from foods and drinks than composite materials. Because ceramic is a more brittle material, it works well as a larger filling. The dentist may have to remove some healthy enamel if the patient wants a ceramic filling but has a smaller cavity.
Children can get cavities in baby teeth and may need fillings. Some dentists can install glass ionomer fillings in this situation. Dentists do not usually recommend this type of filling for adults because the fillings are weaker than other options and can crack under pressure. However, glass ionomer fillings work well for children because these fillings can release fluoride to protect the tooth until it is time for it to naturally fall out.
Metal-free fillings have several degrees of durability. Glass ionomer fillings only last a few years at the most, so they are not suitable for adults in most cases. Composite fillings are less expensive than ceramic fillings but not as durable. These fillings can last for up to a decade, depending on the patient. Ceramic fillings are the most durable non-metal filling and usually last the longest. These fillings could easily crack in patients who habitually grind their teeth and do not wear a protective mouthguard.
There are pros and cons to each type of dental filling. Your dentist is a great resource and can help you figure out which type will work for you. Getting a filling is very important for your health and helps you keep your natural teeth. Your dentist can place fillings in your mouth very quickly and with little to no discomfort.
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