The wisdom tooth – “the impacted ones” – are those who refuse to grow out the way it is expected to grow and function the way they are expected to…. The challenge of this is, it is usually quite tough to remove, the roots would have been deeply imbedded into the bone and one needs to cut into the jaw bone and extract this tooth….And if you leave this not taken out, it will continue to give constant pain and irritation and at times infection… Glioblastoma Multiforme (GM) – is a brain tumor, which is a has a peculiar quality in that it infiltrates into the surrounding brain tissues – and so the separation between the normal cells and the tumor cells is very difficult to delineate…and so any surgical excision of the tumor is likely to be incomplete – some of the cells are always left behind….and this leads to frequent recurrence..In most cases….and so only a partial excision is practical, one needs to treat this with Radiation etc….even this with not 100% results…recurrence does happen…...