Maybe she is happy with real, functional, straight, well-spaced, healthy, characterful teeth and has no desire for Disneyfied, generic teeth.
She has a slight diastema. Some people find it attractive. Fixing a diastema would be job for an orthodontist rather than a dentist, anyway (And, yes, England has them).
The point is: Maybe both fighters appearance and attempts to sell the fight (which appear to be generating interest) should be put in perspective.
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