To observe the relationship between the odontoblast process and the dentinal tubules.

观察成牙细胞突在牙管中的分布。

The diameter of dentinal tubule was not uniform due to peritubular dentine was demineralize.

横剖面牙管口因脱现不规则。

Sugar solutions on the surface of exposed dentine cause water to be drawn out of the dentinal tubules causing which distorts the odontoblast causing pain.

[医务英语]《专业术语—口腔生理学术语O2(英文详解)》正文： Osmotic pressure - Water tends to move towards dense concentrations of ions.