Well-Paste Calcium Hydroxide w/Barium Sulfate is a root canal filling material for infected root canal. It is also a good intracanal medicament. It contains Calcium Hydroxide and Barium Sulfate mainly, having radiopacity and antibacterial characteristics. Well-Paste is very stable without any solidification or separation and a highly-flowable premixed paste in a convenient syringe. Also Well-Paste has excellent accessibility to the apex and biocompatibility to the periapical tissue. It's perfect for apexification, treatment for an infected root canal, temporary root canal filling, pulp capping of exposed pulp and pulp capping of vital pulpotomy.