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).
What is Tartar? Tartar (sometimes called calculus) is a rough, porous mineral buildup that forms on your teeth at or below the gum line. Tartar forms when plaque stays on your teeth and hardens. But unlike plaque, which is hard to see, tartar takes on a yellowish or brownish color. Roughly 68% of all adults have tartar to some degree.