The Ness Visual Dictionary of Dental Technology
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| Term | post-palatal seal |
| Pronunciation | ... PAL-uh-tul ... |
| Variations | postpalatal seal, palatal seal, post dam, posterior palatal seal |
| See also | post dam line |
| Definition | A ridge on the tissue side along the posterior border of the upper denture used to create an air-tight seal with the soft palate to hold the denture in place. |
post-palatal seal
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