(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.
Like in science, which requires molecules to form a substance, in art too the elements are required to form an art work. Artists manipulate elements such as line, space, texture, shape and color and apply the principles of design to form an art.mportance of Art and Design Elements. A good art work, whether it is a painting, sculpture, interiors or a website design, all starts at a design stage.