Method for planning dental treatment which includes collecting data and images of the initial situation, creating an initial 3D model, studying the initial situation, analyzing the smile and planning in a center, all by means of software, creating and producing an envisaged final 3D model, creating a negative of the envisaged final model, creating in-situ a provisional prosthesis (mock-up) on the teeth of the patient which represents the final result which would be left after the treatment, reviewing the result and collecting photographs and video of the envisaged result and producing the required prosthesis, implant or brace elements from the digital data.