Evaluation of the Effect of Prosthetic Management for Congenital Cleft Lip and Palate Infants on the Middle Ear Function

A preliminary alginate impression was made using wax stock tray to get a preliminary cast and construct a self-cure acrylic custom-made tray. A Medium viscosity rubber base impression material was used for making final impression which in turn will be poured to obtain a master cast. On this master cast, a feeding appliance will be constructed. Readymade facebow with two straight side length of hard, rounded, of 2mm diameter, 15cm length Nickel-Chrome wire with omega loops (at the end of the wire) was used to form extra-oral wings to be used as a retentive aid to maintain the prosthesis in situ. The appliance was fabricated in clear acrylic resin then finished and polished. A small piece of cold cure acrylic resin was added and adapted to the omega loops and manipulated to follow the checks contour.