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The Interdental Septum
This is a cross section through the roots of two adjacent teeth, labelled 1 and 2. The alveolar bone between tooth sockets is referred to as the interdental septum (A). Note the radial arrangement of the principal fibers extending between the tooth socket and the root (B). The PDL is supplied with blood and sensory innervation by branches of vessels and nerves from various locations: those that supply pulp (branching off prior to entering the apical foramen); those that supply the surrounding alveolar bone (C), and those that supply the gingiva. What is D?
Legend
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A - interdental septum |
C - alveolar vessels |
