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

1.横剖面见牙本质因脱矿而呈现不则。

2.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.

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