CategoriesSinusitis Extrinsic odontogenic cysts Traumatic lesions of maxillary sinus Osteoma of nasal cavity and paranasal sinuses Tumors in the sinus Mucosal retention cyst Foreign bodies in the sinus Foreign bodies in the sinus . Foreign bodies in the sinus may include: Moved teeth remnants. Antroliths. Other foreign bodies, such as root canal filling material, bone graft, implants. Case 1 Antrolith Case 2 Filling material in the left antrum Case 3 Sinus floor augmentation and bone graft in the left antrum
