Originally Posted by
Tchiowa
^^
Part of it is going to depend on why that page was missing. Why did you tear it out? (I suspect that may be none of our business, but it's a necessary fact that needs to be considered.) If the removal of the page had anything to do with Thailand (you had overstayed by a serious amount or had been deported or whatever) then they'll still have a record of it.
Deportation is no reason to be banned, and neither is overstay (well, it used to be that way, although so far no reports of the new law being enforced). So even in that case, no consequence, plus it would be because of the overstay/deportation, not because of the missing page.