What's wrong with the lower front teeth of sikk/pakiwaffen?

[Arseny]

НIn some photos/videos online and on TikTok I noticed that @pakiwaffen has some kind of crap with his front lower teeth. Who knows what's wrong with them?

 

[turneywest]

never seen it on him, at least i haven't seen his tik toks with his bottom teeth

 

[corvah.]

cigs