buccolingual

adjective

buc·​co·​lin·​gual ˌbək-ō-ˈliŋ-g(yə-)wəl 

1

: relating to or affecting the cheek and the tongue

2

: of or relating to the buccal and lingual aspects of a tooth

the buccolingual width of a molar

buccolingually

-g(yə-)wə-lē 

adverb