RCT post operative instruction
After a root canal (RCT), it is normal to experience some tenderness and sensitivity for a few days. Proper care is critical to promote healing, manage discomfort, and protect the treated tooth until a permanent restoration can be placed.
Immediate post-operative care
Wait to eat or drink. Avoid all food and beverages until the numbness from the local anesthetic has completely worn off. This prevents you from accidentally biting your cheek, lip, or tongue.
Manage pain and discomfort. For mild to moderate soreness, over-the-counter pain relievers like ibuprofen (Advil, Motrin) or acetaminophen (Tylenol) are often effective. Take all prescribed antibiotics as directed, even if you feel better.
Use a cold compress. To help reduce any swelling and discomfort, apply a cold pack to the cheek outside the treated tooth. Use for 10–15 minutes at a time, several times a day.
Rinse with warm salt water. A warm saltwater rinse (1/2 teaspoon of salt in 8 ounces of warm water) can soothe irritated gums and help keep the area clean. Use this rinse several times a day.
Elevate your head. To help minimize swelling, keep your head elevated by using an extra pillow when resting or sleeping for the first few nights.
Avoid strenuous activity. Refrain from heavy exercise or other strenuous activities for a day or two after the procedure to aid in the healing process.
Diet and eating guidelines
Chew on the opposite side. Protect your tooth, especially while it has a temporary filling, by chewing on the side of your mouth opposite the treated tooth.
Stick to soft foods. For the first few days, eat soft, easy-to-chew foods that require minimal pressure.
Good options include smoothies, yogurt, mashed potatoes, eggs, oatmeal, and soup.
Avoid certain foods. Do not eat anything that could damage the temporary filling or cause irritation.
Avoid hard foods (nuts, ice), crunchy foods (chips, pretzels), and sticky or chewy foods (caramel, gum).
Limit temperature extremes. Avoid very hot or very cold foods and drinks, as your tooth may be sensitive to temperature during recovery.
Do not smoke or drink alcohol. Tobacco can significantly slow down healing, and alcohol can interfere with medications and the healing process.
Oral hygiene
Brush and floss gently. Continue your normal oral hygiene routine, but be gentle when cleaning the treated tooth. Use a soft-bristled toothbrush and take care not to dislodge the temporary filling while flossing.
Floss with care. When flossing around a temporary filling, gently pull the floss out from the side instead of pulling it straight up, which could dislodge the filling.
Follow-up and permanent crown
Schedule a follow-up. The root canal procedure leaves the tooth's structure weakened. A follow-up appointment is necessary for your dentist to place a permanent filling or a protective crown to prevent the tooth from cracking or fracturing.
Do not delay the permanent restoration. A temporary filling is not strong enough for long-term use. If not properly restored, the treated tooth is at high risk for future infection and fracture.
When to call your dentist
Contact your dentist immediately if you experience any of the following symptoms:
Severe pain or pressure that persists or worsens several days after the procedure.
Visible swelling inside or outside your mouth.
An uneven bite that feels off after your temporary filling was placed.
The temporary filling comes out completely. (It is normal for small pieces to flake off).
Signs of infection, such as fever or pus.
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