Although super effective as a cancer treatment, bisphosphonates have been known to be extremely bad for the teeth. They cause osteonecrosis of the jaw, meaning that the jawbone itself starts to die, totally unable to support the different kinds of tissues, some soft, some hard, that grow on it.

The appearance of tooth decay in old age can be taken as a given, but is it normal or unpreventable that a large fraction of children suffer from tooth decay? I think not. Tooth decay is very easily prevented, but most people do not seem to care about this at all. In England, most kids over the age of 5 have bad oral environments.
The University of Liverpool is currently testing a new dental procedure, one that may provide an alternative solution to infected dentine. The technique is called revascularization, and can be performed in two visits, thus relieving the patients of long and painful root canal treatments.