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:
Common symptoms that indicate the need for a root canal treatment include the following: 1  spontaneous pain with no specific trigger. 2  pain response to hot and cold that lasts several minutes.  pain on biting that lasts several minutes.