FIELD: maxillofacial surgery. SUBSTANCE: maxillary prosthesis has perforated base with cylindrical attachment devices mounted on axes adjacent to base ends. Cylinders are provided with spherical pivotal ends 2, supporting flat side surfaces 6 oriented to base and rotary restrictors formed as rivets 3, which may be inserted into mating openings 4 and 5 and positioned in base and cylinders for fixation one opposite the other. Openings 5 of base are concentrated in the vicinity of axes and openings of cylinders are oriented perpendicular to flat surfaces 6. EFFECT: increased efficiency, improved interaction with surrounding tissues and wider operational capabilities. 2 dwg
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|---|---|---|---|
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|
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