Górny Trzonowiec.
(Maxillary Molar has only 3 canals, but each with a significant challenge. Palatal canal is relatively straight with a very large apical diameter of 4.5mm. Single MB canal is ribbon-shaped with moderate curvature. DB canal is severely curved through its length, but progressively tightens.)
Liczba korzeni: 3
Liczba kanałów: 3
Poziom trudności: 4
