According to the Encyclopedia Americana, by the 20th century, where they had not disappeared altogether the West's magnificent ivory-carving arts had degenerated and ivory itself had become a vulgar product.
直到二十世紀，「西方偉大的象牙雕刻藝術若非沒落失傳，便是淪為低級商品」，《大美百科全書》感嘆西方一種藝術的失落。