FIELD: medical engineering.;SUBSTANCE: device has base with artificial teeth and obturator corresponding to defect shape. The monolith silicon obturator has retention opening and is removably connected to the base bearing artificial teeth by means of fixing member being a projection with spherical head manufactured from the same material as the base is. The retention opening repeats fixing member shape.;EFFECT: minimized prosthesis excursion in chewing; provided leakproofness between oral and nasal cavity.;2 cl, 4 dwg
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