Silver fillings can last for many years, but they do not last forever. Over time, they may wear down, crack, or stop sealing the tooth properly. These changes can allow bacteria to enter and cause new decay under the filling. A dentist in Mississauga can check your old fillings and determine whether they still protect your teeth or need repair or replacement. Tooth-coloured fillings are one option when an old filling needs attention. They blend with natural teeth and can restore areas damaged by decay.
However, not every silver filling needs to be replaced simply because it looks old. The decision depends on the condition, the health of the tooth, and how much healthy tooth structure remains.
How Can You Tell If a Silver Filling Needs Replacing?
Silver fillings, also called amalgam fillings, can remain in good condition for many years. However, changes in the filling or the surrounding tooth may signal a problem.
Watch for these signs:
- Cracks or broken edges: Part of the filling or the surrounding tooth may chip or break.
- Sensitivity: Pain when eating or drinking something hot, cold, or sweet may point to a problem.
- Pain when biting: Discomfort while chewing may mean the filling or tooth needs checking.
- Loose or worn filling: A damaged filling may no longer protect the tooth properly.
- Food getting trapped: Food that repeatedly catches around a filling may indicate a gap or damage.
These signs do not always mean the filling must be replaced. A dental exam can help find the cause and identify the right treatment.
What Happens When a Filling Starts Leaking?
A filling is meant to seal the treated area of a tooth. If the edge becomes damaged or a gap forms, bacteria and food particles may enter the space. This can lead to new decay beneath or around the filling.
Sometimes, a leaking filling causes no pain at first. Regular checkups can help identify problems before they become more serious. If decay has spread deep into the tooth, a larger restoration or root canal treatment may be needed. Early assessment can help protect the remaining healthy tooth structure.
When Are Tooth-Coloured Fillings a Good Option?
Tooth-coloured fillings in Mississauga may be suitable when an old filling needs replacement and enough healthy tooth remains to support a new one. These fillings are usually made from a material called composite resin, which can be matched to the natural colour of the tooth.
They may be considered when:
- An old filling is cracked, worn, or damaged.
- New decay has developed around an existing filling.
- A small or medium area of the tooth needs repair.
- A natural-looking result is important.
The best option depends on the size of the damaged area, the tooth’s location, and the pressure it handles while chewing. A very large filling may need a crown or another type of restoration instead.
What Are the Benefits and Limits of Tooth-Coloured Fillings?
Tooth-coloured fillings can restore a tooth while keeping its appearance close to that of natural teeth. The material bonds to the tooth and may allow more healthy tooth structure to remain than some other restoration methods.
There are also limits to consider:
- Composite fillings may wear or chip over time.
- Large fillings in back teeth may be subject to high chewing pressure.
- The tooth must be kept dry during placement for the material to bond properly.
- The filling may need repair or replacement in the future.
A dentist near you can explain whether a tooth-coloured filling is suitable or if another restoration would offer better support.
How Does the Replacement Process Work?
Replacing a damaged filling is usually a simple process. First, the dentist checks your tooth and may take an X-ray to look for damage or decay. If needed, the area is numbed to help you feel comfortable. The dentist then removes the old filling and any decay.
Next, the tooth is cleaned, and the new tooth-coloured filling is placed. The dentist shapes the filling and uses a special light to harden it. Finally, they check your bite and smooth the filling so it feels comfortable when you eat.
The exact process depends on the tooth’s condition and the size of the repair.
Can Cosmetic Dentistry Improve the Look of Old Fillings?
Cosmetic dentistry in Mississauga can include replacing visible, damaged fillings with materials that blend more closely with natural teeth. However, the main goal should be to restore the tooth’s health and function, not just improve its appearance.
If your silver filling is in good shape and your tooth is healthy, you may not need to replace it to improve its look. Removing a filling can also damage some healthy parts of the tooth. A dentist can check your teeth and explain the benefits and risks before you decide.
For a natural-looking repair, cosmetic dentistry near you may offer options based on the tooth’s condition, position, and appearance.
Protect Your Teeth With the Right Repair!
A damaged filling does not always mean a tooth needs major treatment. Burnhamthorpe Dentistry can assess the filling, explain the available repair options, and help you decide on the next step. Book an appointment to have your old fillings checked and discuss a treatment plan that suits your needs.
