- the most forward projecting point of the anterior surface of the upper jaw, in the midsagittal plane.
Origin of prosthion
1920–25; < Greek prósthion, neuter of prósthios frontal, akin to prósthen forward
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- The most anterior point on the maxillary alveolar process, between the central incisor teeth.alveolar point