Well, technically speaking, you can see alot of Stormtroopers with the 5th teeth cut off in the movie, so I don't see why it would not be accepted. Yet again, Mr No Stripe is more noticeable for the common fan than a hero bucket to a stunt and you can't use it to get your approval.
Push come to shove, just glue a piece of ABS behing the teeth to cover the hole.
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