mesial vs. distal

adjective

  1. medial.

  2. Dentistry.,  directed toward the sagittal plane or midline of the face, along the dental arch.

adjective

  1. situated away from the point of origin or attachment, as of a limb or bone; terminal.

  2. Dentistry.,  directed away from the sagittal plane or midline of the face, along the dental arch.