space regainer
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regainer — An appliance used in an attempt to regain space in the dental arches. * * * re·gain·er (re gānґər) space regainer; a space maintainer that pushes back teeth that have crowded the edentulous area. See also under maintainer and retainer … Medical dictionary
regainer-maintainer — an orthodontic appliance combining the characteristics of a space regainer and a maintainer … Medical dictionary
space maintainer — space main·tain·er mān tā nər n a temporary orthodontic appliance used following the loss or extraction of a tooth (as a milk tooth) to prevent the shifting of adjacent teeth into the resulting space called also space retainer * * * an… … Medical dictionary
space retainer — n SPACE MAINTAINER * * * an orthodontic appliance that retains the space created by premature loss of a tooth or the space to be filled by an erupting tooth. See also under maintainer and regainer … Medical dictionary
