A root canal is a common dental procedure designed to preserve a tooth that has infected or inflamed pulp, the soft tissue containing nerves and blood vessels inside the tooth. This treatment involves removing the diseased pulp, cleaning and disinfecting the inner part of the tooth, and then filling and sealing the space to prevent further infection. While effective and generally well-tolerated, proper aftercare, particularly concerning dietary choices, is important for the healing process and protecting the treated tooth.
Eating Immediately After Your Procedure
In the initial hours following a root canal, refrain from eating until the local anesthesia has worn off, which typically takes a few hours. This prevents accidental biting of the cheek, tongue, or lips, as numbness impairs sensation. Eating while the mouth is still numb also poses a risk of damaging the temporary filling placed to protect the tooth until permanent restoration.
For the first 24 to 48 hours, consume only soft, cool, or lukewarm foods. Suitable options include yogurt, soup (without large chunks), mashed potatoes, smoothies (without a straw to avoid dislodging the temporary filling), and scrambled eggs. These foods minimize pressure on the healing tooth and reduce the risk of irritation. Avoid hot foods and beverages, as the treated tooth may be sensitive to extreme temperatures.
Hard, sticky, chewy, or crunchy foods, such as nuts, hard candies, chewing gum, and popcorn, should be avoided to prevent dislodging the temporary filling or fracturing the tooth. Chewing on the side of the mouth opposite to the treated tooth is also recommended.
Navigating Food Choices Before Permanent Restoration
After the initial numbness subsides, but before a permanent crown or filling is placed, the treated tooth remains vulnerable. It has a temporary filling, less durable than a permanent restoration and easily dislodged. The tooth itself can be brittle until fully restored. Continued caution with food choices is important during this interim period, which can last from a few days to several weeks.
Avoid chewing directly on the treated tooth to protect both the temporary filling and the tooth structure. Hard, crunchy, or sticky foods should still be avoided, as they can damage the temporary filling or fracture the tooth. Examples include hard bread, raw vegetables, sticky candies, and tough meats. Instead, choose well-cooked pasta, soft bread, cooked vegetables, and tender meats cut into small pieces. Soft fruits like bananas and avocados are good choices.
Returning to Your Regular Diet
Patients can resume normal eating habits once the permanent crown or filling is placed and fully bonded, restoring the tooth’s strength and function. This usually happens a few hours to a day after placement, allowing the adhesive to set. Even after permanent restoration, gradually reintroduce harder foods.
Maintaining good oral hygiene, including regular brushing and flossing, is important for the longevity of the treated tooth and overall oral health. Brushing helps remove plaque, and flossing cleans between teeth, preventing bacteria accumulation around the treated area. While root canals are highly successful, persistent pain, swelling, or signs of infection like fever or an abscess should prompt immediate contact with a dentist.