postpalatal seal

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pos·te·ri·or pal·a·tal seal

the seal at the posterior border of a denture.
See also: posterior palatal seal area.
Farlex Partner Medical Dictionary © Farlex 2012

post·pal·a·tal seal

(pōst-pală-tăl sēl)
Slightly raised area on the posterior border of a maxillary removable dental prosthesis that slightly displaces soft tissue so as to facilitate retention of the prosthesis.
Medical Dictionary for the Dental Professions © Farlex 2012
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