Assertion: acellular cementum | /r/HasProperty | 400 µm
Facets:
Source sentences:
text: The human molar in Figure 6 featured a thick acellular cementum (approximately 50 µm) layer on the cervical root, and cellular or mixed stratified cementum (more than 400 µm in some areas) on the apical and furcation regions of the root.