aligner

noun
align·​er | \ ə-ˈlī-nər \

Medical Definition of aligner

: a clear, plastic orthodontic appliance that is molded to fit over the teeth and is used to correct their alignment The aligners are made in a series: When the patient's teeth have been moved a tiny bit by one aligner, the next aligner goes in and moves them a bit further.— Fred Reed, The Washington Times, 15 May 2003

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Cite this Entry

“Aligner.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/aligner. Accessed 5 Dec. 2020.

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