cavity wall

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One of the enclosing sides of a prepared cavity. It takes the name of the surface of the tooth adjoining the surface involved and toward which it is placed. Parts of a surrounding or peripheral wall are the cavosurface angle, the enamel wall, the dentinoenamel junction, and the dentin wall.

Wall constructed of two leaves or skins (two walls), with a cavity between them. The leaves are given strength by being joined together with metal ties. Cavity-walls were invented to improve insulation and damp-proofing. Certain types of cavity-wall are used for conservatories etc., where it is possible to introduce hot air into the gap.