buccolingual dimension

buc·co·lin·gual di·men·sion

the diameter or dimension of a premolar or molar tooth from buccal to lingual surface.

buc·co·lin·gual di·men·sion

(bŭkō-linggwăl di-menshŭn)
Diameter of a premolar or molar tooth from buccal to lingual surface.