buccolingual

Adjective

 * 1)  Of or pertaining to the cheek and the tongue.
 * 2)  Relating to buccal (inner cheek) and lingual (tongue) surfaces, as:
 * 3)  In a location on the buccal and lingual aspect (of a tooth or its socket).
 * 4)  In a direction with buccal and lingual vectors.