accessory canal造句

• Accessory canals are also called lateral canals, because they are usually located on the lateral surface of the roots of the teeth.
• A tooth may have multiple small accessory canals in the root apex area forming an apical delta which can complicate the endodontic problem.
• Accessory canals are pathways from the radicular pulp, extending laterally through the dentin to the periodontal tissue seen especially in the apical third of the root.
• Because the identification of accessory canals in addition to the primary pulp canals is essential to complete nonsurgical root canal therapy, magnification provides dentists enhanced visualization to locate and treat more obscured canals.