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This stops the infection from spreading and restores normal function. However, a new cavity in the same filled tooth, excessive chewing, using teeth to open packages, bruxism (teeth grinding), or a blow to the tooth can cause the filling to fall out.

Furthermore, the passage of time itself can wear down the filling, although its lifespan is around ten years or more. This depends on many factors, and we may find that the filling material has fallen out of the tooth. The first thing to do is carefully remove any debris from your mouth. It's important to avoid chewing on that side and to refrain from eating hard foods or consuming very cold or hot drinks. But what is essential is to see a dentist as soon as possible, as an infection can develop when the tooth is exposed to bacteria, or the condition of the tooth can worsen, making treatment more difficult. Until you can go to the dentist, you should continue with your daily oral hygiene, including the area of ​​the fallen filling, taking special care to avoid leaving any food debris behind.

Filling care

Once the dentist has placed a filling, the patient must take certain precautions to ensure the treatment is effective and long-lasting. Maintaining good oral hygiene is essential, as is avoiding biting hard objects like pens or ice with the filled teeth, and refraining from using them to open packages. Another important recommendation is to wear a night guard and mouthguard if prescribed by the dentist to prevent wear or breakage of the filling material.

Source: https://www.eldentistamoderno.com/texto-diario/mostrar/5758266/como-actuar-cuando-cae-empaste