label: Thistle tube shaped pulp
label_lc: thistle tube shaped pulp
description: "A thistle tube shape of the pulp chamber, meaning an enlarged coronal pulp chamber with narrow pulp canals giving a radiographic appearance of the shape of a thistle tube or a flame. It may occur isolated or associated with other dental anomalies and rare diseases such as dentinogenesis imperfecta, which should be assessed and coded separately. The diagnosis thistle tube shape pulp requires clinical and radiographic examinations."