Dont drop it again!
Sounds like you may need a new screen.
How olds the Laptop?
If your UK based suggest MicroMart out on Thursdays at all good newsagents.
Plenty of adverts for people that replace Laptop screens.
Your probably talking between £175 and £250 for a new screen fitted and thats besides any other internal damage you may have done which could possibly show up at a later date..
Butter fingers is never a good thing to have when handling expensive electronic equipment..
Do you have home contents insurance if so then it should be covered under that and you should contact your insurance company..