I would think that generally when you re-use equipment that has suffered a crash you would be increasing the risk of RX failure. I know those things cost money so heres what I would do.
first, that antenne wire that you soldered back together should be shrink wrapped instead of using electrical tape. next, you could do a long range test by starting your engine and tieing down your plane, then going out a good distance to check your throttle responce. I am talking like a football field legnth or more. if nothing funky happens and the throttle seems to be smooth, then give it a go. just hope that the only damage to the RX was cosmetic. good luck!