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 region is in sub-Saharan Africa and is a transition zone between the arid Sahara desert to the north and the tropical green forest to the south, covering a surface area of 5.7 million Km2 with a population of about 60 million inhabitants.he Sahel region is in sub-Saharan Africa and is a transition zone between the arid Sahara desert to the north and the tropical green forest to the south, covering a surface area of 5.7 million Km2 with a population of about 60 million inhabitants.