The problem may be because you haven't removed an alpha attached to the neck, skull or mouth (somewhere around that area). I would remove all alphas one by one, to see which one has caused the problem. I'm not exactly the most experienced with SL, so sorry if this answer isn't useful.
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The problem may be because you haven't removed an alpha attached to the neck, skull or mouth (somewhere around that area). I would remove all alphas one by one, to see which one has caused the problem. I'm not exactly the most experienced with SL, so sorry if this answer isn't useful.