Some of the more common causes for a dental nerve to require a root canal are; 1  Long term accumulation of traumatic injuries resulting in the dental nerve becoming irreversibly inflamed &/or infected, or. 2  Acute trauma breaks a tooth and exposes the dental nerve, or, 3  Acute trauma mobilizes &/or dislodges a tooth, or.
Erin Whitney Associate Entertainment Editor. The freak show is getting nearer, and we finally have a good look at its wild cast of characters. In new cast photos for American Horror Story: Freak Show, we meet Jessica Lange's character, Elsa Mars, and her troupe of freaks, along with a handful of others.
American Horror Story's fourth season is called Freak Showâas it's based on one of the last remaining freak shows in Jupier, Fla., headed by Jessica Langeand though the term freak might give you pause, the storyline is distinctly sympathetic to the special-ability characters.