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.
And one of the fall TV season's biggest mysteries has been solved. Heading into the premiere of American Horror Story on Wednesday night, almost nothing was known about season six, including its theme and most of the cast, with only Sarah Paulson, Angela Bassett and Kathy Bates confirmed to return.