Can anyone tell me if those are cavities, I'm really concerned

[MarkoLukic]

Here is the image: https://ibb.co/bXQg2Cc

 

[Dr M]

No it does not look like cavities. It does look like you have some tooth wear.

 

[smithwilfer]

No, consult a dentist

 

[MattKW]

Not cavities. Might be some tooth wear but a poor quality image and the lip seems to be in the way.
How old are you?

 

[paulwilfer]

No, its not cavities, rather you should consult the dentist first, before it may lead to a big problem for you.