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Brush and floss every day, including after meals. Control your intake of sugary and acidic foods and beverages. Use fluoride gels. Avoid mouthwashes and toothpastes that contain alcohol. Don't grind your teeth. Get regular checkups and cleanings at your dentist’s office.
Brushing and flossing every day and after meals can maintain the health of your teeth, fillings, and gums. A clean environment may help you avoid further fillings as well as unsightly stains.  Make sure to brush and floss after meals if you can. If you have food stuck in your teeth, it promotes an environment that is rife for further cavities and can damage current fillings. If you don’t have a toothbrush, chewing a piece of gum can help.  Coffee, tea, and wine can stain your filling and your teeth. If you drink any of these beverages, Try to brush your teeth afterward to prevent staining. Tobacco and smoking can also stain your fillings and teeth. Sugary and acidic foods and beverages may contribute to your need for fillings, and controlling your intake of them can lead to better oral health. Tooth decay can easily occur underneath an existing filling. Over time fillings will naturally breakdown and leak, so it’s important to maintain a healthy diet and good hygiene to prevent decay from forming under existing fillings, too. Brushing your teeth after consuming these foods may help prevent you from needing further fillings.  If you can’t brush, because for example you're at school, then rinse your mouth with water. Increase your water intake. Limit your snacking frequency, avoid sticky foods. Eat a healthy and well-balanced diet of lean protein, fruits and vegetables, and legumes can help with your overall well-being, including oral health. Even some healthy foods are acidic, including citrus fruits. Continue eating these, but limit how much you consume and consider brushing your teeth when you’re done. Consider diluting juices with 50/50 water. Examples of sugary and acidic foods and beverages are soft drinks, sweets, candies, and wine. Sports drinks, energy drinks, and coffee with added sugar also count. If you have multiple fillings, ask your dentist to prescribe you a fluoride gel or paste. Fluoride helps to protect your teeth from new cavities and can promote general oral health Fluoride gel or paste also helps to strengthen your enamel, furthering the life of your fillings. Mouthwashes and toothpastes that contain alcohol can decrease the durability of fillings or even stain them. Use non-alcohol colored toothpaste or mouthwashes to avoid these problems. You can find toothpastes and mouthwashes without alcohol at most grocery and drug stores or online retailers. If you have a bad habit of clenching and grinding your teeth at night, you may damage your fillings and teeth. If you're a tooth-grinder, ask your dentist about using a mouth guard.  Grinding wears your fillings and can cause sensitivity and damage including small chips and cracks.  Nail biting, opening bottles or holding objects with your teeth are also bad habits. Try to avoid them so that you don’t damage your teeth or fillings. Regular checkups and cleanings are an integral part of maintaining oral health. See your dentist at least twice a year, or more often if you’re having any issues with your teeth or fillings.