The basic conditions that ensure good functional qualities and durability of prosthetic structures from the point of view of biomechanics. undoubtedly include an optimal way of fixing a partial removable prosthesis. which consists in the correct choice of the clamping system that ensures reliable fixation of the prosthesis in the given position and at the same time causing a minimum o... https://www.chiggate.com/3m-speedglas-9002nc-welding-helmet-fashion/