Slowly eat small bites of food placed directly onto your molars.Avoid eating spicy, salty, acidic, or hot temperature foods or beverages for a few days.Cold foods and beverages are soothing and help reduce swelling. Foods like mashed potatoes and oatmeal are hard to eat because they stick to your mouth and jewelry. For tongue piercing, try to keep your tongue level in your mouth as you eat because the jewelry can get between your teeth when your tongue turns.