The aim of this article is to review the literature concerning the general aspects of a fully adjustable articulator. A computer can play back when the informations are put into the computer and programmed. A fully adjustable articulator is a computer like device. Even though the fully adjustable articulator is designed precisely, it can not work without inputing the informations and programming into the articulator. That is the reason why various factors controlling the mandibular movements should be recorded and duplicated on articulator avoiding the possible errors.