gebrucht

Question

I was listenting to last years radio show (the mp3s are great are you planning on uploading more radio shows or shiurim by you, I burn them on CD and listen in the car - thanks - I can help convert tapes to mp3s if you need help) and you mentioned that gebrucht was only a problem when they had thick matza and today no prob because the matza is thin). If we buy thick matza today, which a lot of people are selling, do we need to be concerned about gebrucht with it? For sepharadim? Thanks