US Senate and Immigration. Every year, hundreds of bills are introduced in the U.S. Senate to control illegal immigration, build fences on the U.S.-Mexican border and to grant benefits in the form of temporary visas and permanent residence to various types of immigrants.
When pulp is damaged, it breaks down, and bacteria begin to multiply within the pulp chamber. The bacteria and other dying pulp remnants can cause an infection or abscessed tooth. An abscess is a pus-filled pocket that forms at the end of a toothâs root. In addition to an abscess, an infection in the root canal of a tooth can cause:
Any trauma or infection of the nerve will result in the need for root canal therapy. Common reasons for root canal therapy include: Tooth decay invades the tooth, penetrating through the enamel and then the dentin in to the pulp. A tooth has become abscessed -- also known as infected -- from decay.