I feel like I'm going crazy.
I've had depression in the past and I've had anxiety for years however my anxiety has been getting worse and worse lately and has even turned into paranoia at some points in the last few months. My teeth are the new thing I've been paranoid about, I check them constantly, I'm hyper aware of their presence in my mouth, I feel like they hurt if I don't brush them 3 times a day. I've seen a dentist in the hopes it would help me but it didn't.
Anyway, today I was checking my teeth in the mirror and suddenly my perspective just shifted, my teeth turned into buckteeth, my face turned into something I didn't recognize. I've never experienced this before and I broke down into tears of panic.
What the hell is going on? Am I going crazy? 
My family has a history of serious mental Illness like schizophrenia so I worry
Has anyone any idea what's happening to me?