[Research in the dental laboratories in Thessaloniki relatively to the planning and the kind of the fixed prosthetic constructions].

It is well known that Prosthetics is the part of Dentistry that needs the dentist's and D. technician's cooperation in order to be completed. For this reason the aim of our research was on one hand to record the planning and the kinds for the fixed bridge work that proceed from the cooperation of the two sides and on the other hand to evaluate the results, to locate the weak points and to give the possibility to our department to obtain clearer and more entire of the Prosthetic treatment given by the dentists and D. technicians. So from this research and the answers to the four sections which refer to the above mentioned subject, we had some information about the plannings and the kinds of the crowns, the way of their forwarding the importance of the aesthetic part of the constructions and at last the problems which are created on the dental laboratories by the way which the teeth are prepared.