FIELD: medicine.
SUBSTANCE: group of inventions relatse to field of medicine, in particular to dentistry, and can be used in orthopedic dentistry for making impression for toothless jaw. In accordance with the first version individual spoon for making impression for toothless jaw contains spoon body with handle. Body of individual spoon is made from rigid layer with possibility of placing on it soft 2-3 mm thick layer, covering prosthesis bed, to 1.5-2.0 mm before reaching its borders. Rigid layer is made with possibility of covering soft layer, including remaining part of prosthetic bed. In accordance with the second version manufacturing of impression spoon is performed with its further perforation. Perforation does not reach edges of individual spoon body by 3.0-5.0 mm and has hole diameter 1.0-3.0 mm with possibility of removing pressure of impression mass on mucous membrane of prosthesis bed.
EFFECT: high accuracy of manufacturing individual spoon for making impression, which ensures stable fixation of detachable prosthesis for toothless jaw, increased chewing efficiency and possibility of prosthesis displacement following displacement of actively mobile mucosa in area of mucogingival fold.
2 cl, 8 dwg, 2 ex
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Authors
Dates
2013-05-20—Published
2011-02-04—Filed