Dental Assistant Practice Exam

What is located at the center of a tooth?

1. Gingiva

2. Dentin

3. Pulp

4. Cementum

The correct answer is: Pulp

The center of a tooth is occupied by the pulp, which is a soft tissue that contains blood vessels, nerves, and connective tissue. The pulp plays a crucial role in the vitality of the tooth, providing nourishment and sensation. It is essential for tooth development and helps in repairing and maintaining the health of the tooth throughout its life. The pulp is surrounded by dentin, which forms the bulk of the tooth structure and is harder than bone, protecting the pulp from external forces. The cementum, on the other hand, covers the root of the tooth and helps anchor it within the jawbone. The gingiva refers to the gum tissues surrounding the teeth but does not form part of the internal structure of the tooth itself. Thus, understanding the role and location of the pulp highlights its importance in dental health and the anatomy of the tooth. The pulp's function as the nerve and vessel center distinguishes it as the critical structure located at the heart of a tooth.