Why is the filling in your teeth coming out?

There are several reasons why fillings can come out:

1. Wear and Tear: Fillings are typically made of materials such as amalgam or composite resin, which can degrade over time, especially if subjected to excessive biting forces or grinding (bruxism). Normal wear and tear from chewing and aging can cause the filling to weaken and dislodge.

2. Tooth Decay: If tooth decay develops around the filling or at its margins, it can weaken the bonding between the filling and the tooth structure, causing the filling to loosen and eventually come out.

3. Incorrect Application: If the filling was not properly placed or bonded to the tooth during the initial dental procedure, it may not securely adhere to the tooth surface, increasing the risk of it coming out over time.

4. Underlying Damage: Sometimes, a tooth with a filling has underlying damage, such as a fracture or root canal issues, which can compromise the tooth's structure and affect the longevity of the filling.

5. Trauma: Significant trauma to the mouth or face, such as an injury or accident, can dislodge a filling or damage the tooth, necessitating its replacement.

If you notice that your filling is coming out, it's essential to see your dentist as soon as possible. Delaying treatment can potentially exacerbate the underlying problem and lead to further complications. Your dentist will evaluate the condition, remove the old filling, and place a new filling or explore other appropriate treatment options based on the specific situation.