Horse with a slant mouth - anyone had one?

[ahlam1399]

Physio was out last night looking at horse and we've always wondered a bit why he has a big muscle across his forehead on his left side. We looked at his teeth and realised he has a slant mouth (chews on one side and so incisors are worn down on one side and mouth slants and doesn't line up.He has been seen by 3 separate dentists since I've owned him, none of which have commented on it and he's always had that muscle in his forehead so clearly its been there a while so that's made me quite cross!!Has anyone had this and got it sorted?

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