(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.
The Formal Elements are the parts used to make a piece of artwork. The formal elements are pattern, colour, texture, tone, form, shape and line.They are often used together and their arrangement determines the artwork. Pattern is a repeated design.one is the change from light to dark and can be used to show a form. Form is a three dimensional shape. Shape is an area enclosed by a line. Line is the path left by a moving point and these are the formal elements. The formal elements are pattern, colour, texture, tone, form, shape and line.