Myths of single-visit endodontics.

There has been much controversy about the safety and efficacy of initiating and completing endodontic therapy in a single visit. The literature concerning single- and multiple-visit endodontics is reviewed, and advantages and disadvantages of single-visit endodontics are discussed. Single visit endodontic therapy is shown to be a safe, effect alternative to multi-visit treatment for most vital and nonvital teeth.