Pain in root canal treated tooth can be due to various reasons including reinfection of root canal, missed root canal, infection in the bone, oversized cement or crown etc. Bleeding of gums might be because of the wrong technique when you brush or floss, gum disease, or faulty dental fillings. Definite cause and treatment of pain will be determined by clinical and radiographic examination of the concernrd area.
Next Steps
Visit the dentist for definitive diagnosis and treatment.
Health Tips
Maintain good oral hygiene. Brush twice daily and floss once a day with proper technique.