Thanks for sharing your concern.
As posted in your history you are suspecting few bad cavities in your mouth.
Do you have any related pain ,swelling or bleeding from gums?please mention that.
Have you got them examined.Any dental x ray
has been taken?
Are you taking any medications presently?how old are you?
Please furnish these details for exact diagnosis.
For your other symptoms like blackouts,and numbness
in body parts,you must see Your physician.
is also not related.But you should never ignore it.get it examined for the cause.
please let me know for further query and answer these queries so that i can suggest better towards your oral health.
Thanks and take care.