TELESCOPIC TOOTH CROWN
FIELD: medical engineering. ^ SUBSTANCE: device has internal and external crowns repeating anatomical tooth shape. Recess is available on the internal crown as semicircular groove of 0.5-0.7 mm in depth all over the whole circumference. The groove is in upper part at the level of 1/3 of tooth crown....
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| Format: | Patent |
| Sprache: | eng ; rus |
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| Zusammenfassung: | FIELD: medical engineering. ^ SUBSTANCE: device has internal and external crowns repeating anatomical tooth shape. Recess is available on the internal crown as semicircular groove of 0.5-0.7 mm in depth all over the whole circumference. The groove is in upper part at the level of 1/3 of tooth crown. Convex protrusion of 0.3-0.6 mm in height is produced on the internal side of the external crown. The protrusion repeats internal crown recess shape. ^ EFFECT: high capacity for fixing removable prosthesis. ^ 2 dwg |
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