Surface zone: surface zone is relatively constant and more radiopaque than the other zones.
表层：龋损区表面有一较为完整的表层，且较深层有更强放射阻射。
2
Objective To study the possibility of using radiopaque resinifying agent in resinification of the tooth.
雍王嘉德目的为研究显影塑化剂在牙髓塑化治疗的显影效果。
3
For example, some container assemblies of the invention include a body and a lid both including radiopaque material, and together defining a receiving space for radioactive material.