Meanings
plural palatal expanders
- dentistryA device used to widen the upper jaw so that the bottom and upper teeth will fit together better.
Cite this entry
palatal expander. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/palatal%20expander
“palatal expander.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/palatal%20expander. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “palatal expander,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/palatal%20expander.
Source: palatal expander on Wiktionary, CC BY-SA 4.0.