Oral complications caused by radiation therapy to the head and neck include the following: Fibrosis (growth of fibrous tissue) in the mucous membrane in the mouth. Tooth decay and gum disease. Breakdown of tissue in the area that receives radiation. Breakdown of bone in the area that receives radiation.
A landform is any natural formation of rock and dirt, found on Earth. A landform can be as large as a mountain range, or as small as a hill. It can be as large as a continent, or as small as a pond.
Example of a Plateau Landform: Colorado Plateau, southwestern USA The plateau picture above is of a mountain plateau. What is a Plateau Landform? A plateau is a portion of land that is more or less flat and level, elevated above the surrounding area. It may have steep slopes or vertical cliffs on one or more sides.