[ pros-thee-on ]
/ ˈprɒs θiˌɒn /

noun Craniometry.

the most forward projecting point of the anterior surface of the upper jaw, in the midsagittal plane.

Nearby words

  1. prosthetic,
  2. prosthetic dentistry,
  3. prosthetic group,
  4. prosthetics,
  5. prosthetist,
  6. prosthodontics,
  7. prosthodontist,
  8. prostie,
  9. prostigmin,
  10. prostitute

Origin of prosthion

1920–25; < Greek prósthion, neuter of prósthios frontal, akin to prósthen forward

Related formspros·thi·on·ic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for prosthion


[ prŏsthē-ŏn′ ]


The most anterior point on the maxillary alveolar process, between the central incisor teeth.alveolar point

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.