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the contact of the denture border with the underlying or adjacent tissues to prevent the passage of air or other substances.
Synonym(s): peripheral seal
The edge of a denture that contacts the tissues in order to close the area under the denture to entrance by food, air, or liquids.
See also: seal
bor·der seal(bōrdĕr sēl)
Contact of denture border with underlying or adjacent tissues to prevent passage of air or other substances.