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Dental Fillings: The What, Why & How – Explained
February 20, 2023
Dental Filling

Dental fillings are a common and essential part of general dentistry, used to restore teeth damaged by cavities, injury or trauma. In this article, we’ll explore the why, what, and how behind dental fillings – and answer some of your most pressing questions about them. Read on to find out more!
A dental filling is a way to restore a tooth damaged by decay to its original shape and function. The main goal of a dental filling is to prevent further damage to the tooth and to keep it looking natural. Different materials can be used for dental fillings, each with its advantages and disadvantages. The type of material used will be determined by the location and size of the cavity, as well as the patient’s preference.
The first step in getting a dental filling is cleaning the damaged tooth. This process is called “tooth preparation” and involves numbing the tooth and removing all decay. Once the tooth is prepared, the next step is choosing the filling material. There are three types of dental filling materials: amalgam (silver), composite (tooth-colourd), and gold. Amalgam fillings are strong and durable, but they are also noticeable because they are silver. Composite fillings are made to match the color of your teeth so they are less noticeable. Gold fillings are also strong and durable but are more expensive than other fillings.
After the type of filling material has been chosen, your dentist will place the filling in your tooth. The filling material is then hardened with a special light or laser. Once it has set, you can bite and chew as usual.
What are Dental Fillings?
There are many reasons why you might need a dental filling. A cavity is the most common reason. When you have a niche, it means that there is a hole in your tooth. Bacteria can get into this hole and cause an infection. A filling will seal off the hole and prevent the bacteria from getting in.
Fillings can also be used to repair cracked or chipped teeth. If you have a tooth that is broken, it can be excruciating. A crack can also allow bacteria to get into your tooth and cause an infection. By putting a filling in the crack, you can seal it off and protect your tooth from bacteria.
Fillings are made from different materials, including gold, silver, composite resin, and ceramic. The type of material that is best for you will depend on the location of the filling and your personal preference. Your dentist will help you choose the suitable material for your needs.
Causes of Tooth Decay and Why Filling May be Necessary
Many factors, including plaque build-up, poor oral hygiene, and sugary or acidic foods and drinks, cause tooth decay. When plaque accumulates on the teeth, it breaks down the enamel and causes cavities. Fillings restore the function and structure of teeth that cavities have damaged. If cavities are not treated, they can lead to tooth decay and, eventually, tooth loss.
Types of Fillings Available
There are three types of dental fillings: amalgam, composite and gold.
Amalgam fillings are made from a mixture of metals, including mercury, silver, tin and copper. They are solid and durable, making them a good choice for large cavities or areas of tooth decay. However, they are also noticeable; some people are concerned about mercury content.
Composite fillings are made from a mixture of plastic and glass. They can be matched to the colour of your teeth, making them less noticeable than amalgam fillings. They are not as strong as amalgam fillings and may only last for a short time, but they are a good choice for small cavities or areas of tooth decay.
Gold fillings are made from gold alloy. They are solid and durable, making them a good choice for large cavities or areas of tooth decay. However, they are also expensive and noticeable.
Preparation for a Filling Procedure
Undergoing a filling procedure is relatively straightforward. However, you can do a few things to prepare for the process and ensure it goes smoothly. Here are a few tips:
- First, it’s essential to have a good understanding of what the procedure will entail. Ask your dentist any questions you may have so that you know what to expect.
- Second, avoid eating or drinking anything for at least an hour before the procedure. This will help prevent you from feeling nauseous during the process.
- Third, if you’re particularly nervous about the procedure, ask your dentist about sedation options. This can help you relax and make the experience more comfortable.
- Finally, follow any post-procedure instructions from your dentist carefully. This will help ensure that your mouth heals properly and that you don’t experience any complications.
After Care Advice for Dental Fillings
Assuming you have had a standard filling procedure with no complications, the aftercare advice is as follows:
- Avoid chewing on the side of your mouth with the filling for 24 hours. This will give the filling time to set correctly.
- Eat soft foods for the first day or two.
- Take over-the-counter pain medication if needed for discomfort.
- Rinse your mouth with warm water and salt if you experience pain or sensitivity around the filling area.
- Call your dentist immediately if you experience any sharp pain, increased sensitivity to hot or cold, or notice any pus coming from around the filling site.
Alternatives to Filling Treatments
In the past, dental fillings were made with metal amalgams. Today, some tooth-coloured composite resins and porcelains can match the colour of your natural teeth more closely. These materials are also less likely to cause cracks in your teeth than metal fillings.
Conclusion
Dental fillings are essential to maintaining oral health, and it pays to know the different types, what they do and how they can help. While the process may seem intimidating initially, with a complete understanding of the procedure, you can rest assured that any dental filling you need will be carried out with precision and care. With these tips in mind, you’ll be well on your way to getting a healthy mouth free from cavities!
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