(See also Introduction to Periodontal Disease.) Trench mouth is a painful infection of the gums, causing pain, fever, and sometimes fatigue. If the normal bacteria in the mouth overgrow, the gums can become infected. The gums hurt, and people sometimes have extremely bad breath.
The Elements of Art and Design: A continuous mark made on a surface by a moving point; it may be flat (pencil line) or three-dimensional (a rod, groove, ridge, etc.) Line may be explicit - a line painted along the edge of the road - or implied by the edge of a shape or form.
PRINCIPLES OF ART: Balance, emphasis, movement, proportion, rhythm, unity, and variety; the means an artist uses to organize. elements within a work of art. Rhythm A principle of design that indicates movement, created. by the careful placement of repeated elements in a work. of art to cause a visual tempo or beat. Balance A way of combining elements to add a feeling of. equilibrium or stability to a work of art. Major types are. symmetrical and asymmetrical.