Dental Type of cyst that contains an epithelial lined cavity that is open towards the root canal of the affected tooth is known as: A Periapical true cyst B Periapical pocket cyst C Periapical pseudocyst D Degenerative cyst 💡 Explanation Type of cyst that contains an epithelial lined cavity that is open towards the root canal of the affected tooth is known as: ✓ Correct Answer: B. Periapical pocket cyst