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Etymology: L, bucca + cum, together with, tornare, to turn
the shape of the buccal side of a posterior tooth. It is usually characterized by a slight occlusocervical convexity that has its largest prominence at the gingival third of the clinical buccal surface.
buc·cal con·tour(bŭkăl kontūr)
Shape of the facial (buccal) surface of a tooth.