Is ther a cure for neuralgia?

my father is 70 years old and for the past 7-8 years he is suffering with pain because of twisted nerves in his jaw. He has undergone 30 operations but it just prolongs the sickness by a month. The pain that he feels is unbearable.Is there any remedys,medication or a cure to beat this? Please [...] http://bit.ly/oKJSaN