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.
Some are rugged and others are flat. In other words, the Earth's surface is made up of different types of landforms. Landforms are any geological feature, such as a mountain or valley. any land feature that froms the earth's surface, mountains,  valleys, plains.Landforms are also shapes that make up the surface.+ 169 others found this useful.here are many kinds of landforms. They can be locations, such as islands; terrain, such as mountains or valleys; or t â¦ hose having specific qualities caused by climate, such as deserts, swamps, and glaciers. Some landforms are created by the action of wind, water, and ice.