sir, my wife age is 36 . she was suffering from dental problem and root canel by doctor and both 4 and 5 caping by dental surgon . caping was made on 20.11.09 after that her tounge became taste less. she was feeling teste less since doctor mesuring her teeth for caping and after 10 days he fixed cap on her teeth. then he exmine our problem and advice for medicine . then we go to ENT doctor and he tell me their is no any problem in ENT . why teste less in her tounge and how it will be cure.