Root canal treatment is a frequently performed endodontic procedure when the pulp, becomes inflamed or infected. A successful endodontic treatment requires correct access cavity preparation, adequate cleaning and shaping and a complete three-dimensional obturation. Amongst the various steps of the root canal treatment, access is the first and arguably one of the most important phase. However, it can be the most challenging and frustrating aspect of endodontic treatment too. A good access cavity design and preparation is imperative for a quality endodontic treatment, prevention of iatrogenic problems and prevention of endodontic failure.