investment and processing, someone else is trimming and polishing the denture, and the last one is working with the composite or ceramic materials, giving the final shape of the crowns and bridges....they are all making a chain that ends with finished denture, crown or bridge. 2.Old fashioned "One man show" Dental Technologists On the other side there are I would say, "old fashioned" dental technicians who are fabricating dentures, crowns, bridges and other appliances in the principles of " One man doing all the stages of appliance's fabrication, from pouring the model to polishing" or long story short: "One man show".  I was one of them for years , all the dentures, crowns and bridges that I have made were from the start till the end fabricated solely by myself . Also , there are not many of technicians who work in two main fields of Dental technology - Fixed and Removable prosthetics. It is a high honor and a prestige for every technician if he or she can fabricate fixed prosthetses as well as removable ones. I am proud to say that I am one of them. Analysis of my work were made on a yearly basis and it can be observed through four parameters: -number of patients -number of crowns or units in a bridge -number of complete and partial acrylic dentures -number of cast partial dentures Because my first day of work was on 15-th of April , this date is taken as the start point of