Poor nutrition? These people I have seen are not poor. Do they just have a lousy diet?
Antibiotics? They take that many? I thought the NHS was trying to kill them with denial of treatment.
yes, poor nutrition == poor diet
https://www.orthotown.com/magazine/article/6797/crooked-teeth-and-nutrition
https://nourishedkitchen.com/the-teeth-tell-the-tale/
antibiotic use can cause teeth problems, weak enamel, even if mom takes them and is pregnant, or as babies/little kids get sock and take them, research tetracyclines