The science of communicating the art of dentistry.

Laboratory work authorization forms are mainly developed in the form of written instructions, two-dimensional drawings or photographs. These can be supplemented with other forms of communications, which will give three-dimensional information and take into account the lips, which are considered the frame of the teeth. This article will describe a systematic approach to communication with a patient and laboratory technician using three-dimensional aids such as a smile replica, lip reproductions, provisional restoration casts and soft tissue casts.