Toothache is caused by irritation of the tooth nerve

[Roger15_IHB]

Let us understand the anatomy of the tooth in order to understand the origin of toothache. The tooth consists of an external hard layer called enamel. Enamel is supported by an inner layer called dentin. In the centre of this is a soft-tissue core called pulp.

 

[graphrix_IHB]

OMG! WTF does dental care come in for housing spam?

 

[IrvineRenter_IHB]

At least it is not spam for erectile dysfunction.