Term paper. A term paper is a research paper written by students over an academic term, accounting for a large part of a grade. Term papers are generally intended to describe an event, a concept, or argue a point.
Figure 1. Crown of the tooth. The teeth are made up of two major parts: the crown and the root. The crown of the tooth is what is visible in the mouth (Figure 1). The root of the tooth is the portion which normally not visible in the mouth and is anchored within the bone (Figure 2).
The dentin is the hard tissue that makes up the core of each tooth. It's the part of a tooth that lies underneath the enamel, which covers the outside of teeth, and the cementum, which covers the roots. The dentin is yellowish and contains tiny openings that lead to the nerves and cells inside the tooth.