Figure 157

Diagram of a section of an incisor tooth and surrounding bony and mucosal structures. The three mineralized components of the tooth are dentin, enamel, and cementum. The central soft core of the tooth is the pulp. The periodontal ligament (membrane) contains bundles of collagenous fibers that bind the tooth to the surrounding alveolar dentin showing dentinal tubules interglobular spaces odontoblasts gingival sulcus epithelium of gingiva cementoenamel junction epithelial attachment pulp chamber granular layer of Tomes fibers of periodontal membrane noncellular cementum alveolar bone with marrow pulp canal cellular cementum apical foramen enamel lines of Retzius

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