Fig. 1. Schematic image of the cobblestone chin. The mental crease also appears marked in the cobblestone chin (A). Schematic image of the mentalis muscle (B). The muscle fiber originates from the alveolar bone of the anterior mandible (2 cm inferior to the intercheilion line), where the structure is inferior to the lateral incisors and inserts to the dermal layer of the chin.

Anat Cell Biol 2023;56:293~298 https://doi.org/10.5115/acb.22.266

© Anat Cell Biol