Final answer:
The interradicular bone is found in the jawbone between the roots of multi-rooted teeth, aiding in tooth support. It is part of the periodontium and resides amongst structures including enamel, dentin, and the pulp cavity.
Step-by-step explanation:
The interradicular bone is located in the jawbone, situated between the roots of adjacent teeth. It is the part of the alveolar bone that exists between the roots of multi-rooted teeth, such as molars and premolars. This bone helps to support the teeth in the jaw and is an important part of the periodontium, which supports the teeth structurally and functionally.
Teeth consist of two main parts: the crown and the root. The crown is covered with enamel, which is the hardest material in the body, and underneath the crown, a layer of dentin extends into the root around the innermost pulp cavity. The pulp cavity includes the pulp chamber at the top of the tooth and the pulp canal or root canal, located in the root. Surrounding the dentin in the root, the tooth is covered by a bone-like layer called cementum, which, along with the periodontal ligament, secures the tooth in the jawbone.