What Not to Do After a Tooth Filling

A dental filling is a routine procedure used to restore a tooth compromised by decay or trauma. This process involves cleaning out the damaged material and replacing it with a restorative substance to protect the tooth’s structure and function. To ensure the new material bonds correctly and prevent damage, certain actions must be avoided immediately following the appointment. Following specific aftercare instructions is essential for the long-term success of the restoration.

Immediate Precautions While Numb

The most immediate risk following the procedure is related to the local anesthesia, which typically keeps the mouth numb for one to three hours. During this period, you should not attempt to chew or eat any solid foods until full sensation has returned. Chewing while numb significantly increases the risk of accidentally biting the soft tissues, which can cause painful lacerations or ulcers.

You must also refrain from drinking any hot beverages, such as coffee or tea, while the anesthesia is active. The lack of feeling means you cannot accurately gauge the temperature of the liquid, posing a serious risk of scalding the lining of your mouth. Furthermore, avoid probing the area with your tongue or fingers, as this can introduce bacteria or disturb the fresh filling material.

The necessary waiting time before chewing depends on the type of material used. Composite, or tooth-colored, fillings are hardened instantly with a curing light during the appointment, meaning they are structurally sound when you leave the office. However, traditional amalgam, or silver, fillings require a longer chemical process to achieve maximum strength, meaning you must avoid chewing directly on them for up to 24 hours. Even with a composite filling, the anesthetic must wear off completely to prevent accidental injury from biting down.

Dietary and Temperature Restrictions

Even after the numbness has faded, continue avoiding certain foods and temperature extremes, particularly for the first 24 to 48 hours. Avoid putting excessive physical stress on the newly restored tooth by chewing hard items. Do not eat foods such as nuts, hard candies, or ice, as the force required to break them down could lead to a fracture of the filling or a surrounding cusp.

You should also avoid sticky or overly chewy items like caramels, taffy, and gum for at least the first day. These foods can exert a pulling force on the restoration, which could potentially dislodge a fresh filling before it is fully bonded. If a composite filling was placed, temporarily abstain from consuming liquids and foods known to cause staining, such as coffee, red wine, dark tea, and berries. The resin material is slightly porous and absorbs color more readily before it fully stabilizes.

Newly filled teeth often exhibit temporary sensitivity to temperature because the dental work can cause minor inflammation within the tooth’s pulp chamber. To prevent a sharp, painful response, do not consume extremely hot soups or icy cold drinks, which can cause thermal shock. This sensitivity is a normal reaction that should gradually subside, but avoiding temperature extremes helps keep the tooth calm as it heals.

When to Contact Your Dentist

While some mild sensitivity and soreness are expected, do not ignore symptoms that persist or worsen beyond the first couple of days. Pain that lingers longer than a week or two, or that intensifies instead of fading, can indicate a deeper issue requiring professional attention. This prolonged discomfort may signal pulp inflammation or indicate that the decay was closer to the nerve than initially thought.

You should contact the dental office immediately if your bite feels uneven or “high” after the anesthesia has worn off. A filling that is slightly taller than your natural tooth surface can cause traumatic force when you chew, leading to pain in the tooth and jaw. This is a simple issue to correct with a minor adjustment, but ignoring it can cause unnecessary stress on the tooth.

Do not wait to call your dentist if you notice that the filling has chipped, feels rough, or if the entire filling feels loose or has fallen out. Furthermore, any signs of a developing infection, such as swelling, prolonged redness, or a bad smell near the treated area, should prompt an immediate follow-up. Maintaining your regular hygiene routine is important, but avoid aggressive brushing or flossing directly on the new filling for the initial 24 hours.