The smear layer is produced simultaneously when the tooth hard tissue is cut mechanically.
玷污层是牙体切割过程中的必然产物。
The results showed that aqueous extract from Chinese nutgall can remove the smear layer without enlarged orifices.
结果表明五倍子有去除玷污层的作用，且不会过度侵蚀牙本质小管；
The smear layer on enamel and dentin could be removed after conditioned by both phosphoric acid and pulse Nd:YAG laser.
电镜显示，磷酸酸蚀和激光照射，均可去除牙釉质和牙本质表面的玷污层。
Although irrigants of group 3 could remove smear layer effectively, it resulted in moderate erosion of dentinal tubules.
第3组虽然能有效去除玷污层，但会引起牙本质小管中度腐蚀。
Studies have shown that tannic acid can remove the smear layer, but it has not yet been used in clinical root canal treatment.
有研究发现：鞣酸有去除玷污层的作用，但在根管治疗中的应用尚无进一步研究。
Laser - cut enamel; the surfaces were not flat and devoid of a smear layer, with some evidence of prism structure, like fish scale.
激光切割牙釉质：表面不平，无法污层，釉柱结构清晰可见，呈鱼鳞状。
Smear every layer with cream, sprinkle every with grated walnuts, put one on another for 30 minutes.
再把油酥面的每一层抹上奶油，裹上坚果粒，层层相叠放置30分钟。
Dab some antibiotic ointment onto a cotton swab (don't use your finger) and smear a thin layer onto the wound. Cover with an adhesive bandage.
用棉签(别用手指)蘸一些抗菌药膏在伤口处涂上薄薄的一层，用医用胶带盖上。
Dab some antibiotic ointment onto a cotton swab (don't use your finger) and smear a thin layer onto the wound. Cover with an adhesive bandage.
用棉签(别用手指)蘸一些抗菌药膏在伤口处涂上薄薄的一层，用医用胶带盖上。
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