METHODS Formalin test in mice, tooth pulp stimulation procedure in rabbits and human oral pain were used.

方法动物实验采用兔齿髓刺激法和小鼠福尔·马林实验，临床疼痛评定采用视觉模拟评分法。

youdao

Teeth may also be sensitive because of irritation to the tooth pulp from habits of clenching (clamping) or grinding.

牙齿过敏也是可能因为有药咬牙或磨牙的习惯而是的牙齿根管的受到刺激。

youdao

She is good at painless tooth pulp treatment, cosmetic resin repair, children's dental treatment and periodontal treatment.

擅长牙体牙髓病的无痛治疗、树脂美容修复、儿童齿科治疗、牙周病序列治疗。

youdao

It can be extremely painful, especially if it is extensive enough to wear through the enamel and expose the dentine and tooth pulp underneath.

BBC: Tea 'good for teeth'

In the most serious cases the enamel is worn away to such an extent that the dentine (the substance that comprises the bulk of the tooth) or even the pulp (the root) of the tooth are exposed.

BBC: NEWS | Health | Bad teeth blamed on fizzy drinks