A reduced overbite can often result in no incisal contact at all producing an âAnterior Openbiteâ this may be the result of a soft tissue interface or Skeletal discrepancy. An increased overbite is where the lower incisors bite on the palatal gingivae (gums) or mucosa.
The Region: The Sahel region is an eco-climate zone located on the southern edge of the Sahara desert. The region spans across Nigeria, Sudan, Senegal, Mauritania, Mali, Burkina Faso, Niger, and Chad (Ethiopia and Somalia are sometimes included in the Sahel region). The name, Sahel, comes from the Arabic work for âborderâ or âmarginâ.
The Sahel spans 5,400 km (3,360 mi) from the Atlantic Ocean in the west to the Red Sea in the east, in a belt that varies from several hundred to a thousand kilometers (c. 600 miles) in width, covering an area of 3,053,200 square kilometers (1,178,850 sq mi).