Читать книгу Periodontics - Fernando Suarez - Страница 103

A classification system to describe the site of origin and course of accessory canals within the furcation was proposed by Yoshida et al¹⁵² and modified by Paras et al¹⁵³ as Type A (true), Type B (blind), Type C (looping), and Type D (enclosed) canals. Zuza et al labeled Type D canals as sealed canals.¹⁴⁶