Assertion: zirconia crown | /r/HasAspect | darker cervical area
Facets:
Source sentences:
text: The "graded" zirconia crown has a darker cervical area, consisting of tetragonal zirconia, a main tooth color in the buccal area and a translucent incisal edge consisting of cubic zirconia.
text: The "graded" zirconia crown has a darker cervical area, consisting of tetragonal zirconia, a main tooth color in the buccal area and a translucent incisal edge consisting of cubic zirconia.