How to Say "Dentures" in Spanish

dentadura postiza

/dentaduɾa postiθa/from spelling rules

To say dentures in Spanish, use dentadura postiza.

This is the everyday term for a removable set of false teeth.

What does it mean word for word?

dentadura means a set of teeth, and postiza means false or artificial.

The θ sound in postiza is how it is said in most of Spain. In Latin America that letter is pronounced like an s.

dentadura is a feminine noun, so the adjective is postiza. The phrase is usually singular, even where English uses the plural dentures.

In IPA it is /dentaduɾa postiθa/.

English says dentures in the plural, but Spanish normally uses the singular dentadura postiza for one set.

In some Spanish-speaking regions, calling someone postizo can be a slang way to describe them as fake or artificial, extending the meaning of the word used for dentures.
Because postizo describes anything artificial added to the body, it is the common word for a wig in several countries.
The word postiza does not just apply to teeth, but to any artificial beauty enhancement, such as pestañas postizas for false eyelashes.

Es la dentadura postiza de mi abuela.
They're my grandma's dentures.
de mi abuela means of my grandmother, so the sentence says these are my grandma's dentures.
Tatoeba #2152594 by Shishir, translation #9354483 by DJ_Saidez
¿Necesito dentadura postiza?
Do I need dentures?
Here dentadura postiza appears without an article, just as English says do I need dentures.
Tatoeba #434511 by lukaszpp, translation #434510 by lukaszpp
Se le olvidó la dentadura postiza en casa.
He forgot his dentures at home.

Javier and Sofía are at the dentist's office.

Sources

IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
Example sentences: Tatoeba CC BY 2.0 FR.

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