[Xbox] disc not readable

so my GH2 disc no longer works. Somehow i managed to halo the disc...
ya know scratch the outer edge and now everytime I try to play it it
says please put this disc into an xbox360 blah blah blah. Does
anyone know how to correct this problem, will a cd cleaner machine fix
it and buffer out the scratches enough so it can be played or am i SOL?

thanks for the feedback... if there is any...

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