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If you happen to be one of the people who has a split zygomaticus major muscle, where the lower part of it is tethered to the overlying skin, this will create a dimple in your cheek when you smile.
If you happen to be one of the people who has a split zygomaticus major muscle, where the lower part of it is tethered to the overlying skin, this will create a dimple in your cheek when you smile.
