Yes, there is a variety of things you can do to wear down the enamel. A few of the biggest things are: Drinking Coffee or soda, eating acidic foods and not brushing your teeth. Sadly you are not able to grow back your enamel after if it fully gone so it's best to protect your enamel as much as possible.
Answer: Kesha has bulimia.
Explanation: This disorder causes one to eat an abnormal amount of food at once, then vomit it afterword. Wether they made themselves do it or not.
Your answer is B. Longitudinal fissure. Hope this helps!
Perhaps, how this will benefit me? Is it safe? is it legal? are they forcing something into me that violates my rights ?