Hi
No need to worry...
It looks like Fordyce spots ...Fordyce spots are the enlargement of Fordyce glands (oil glands)..
It is NORMAL VARIANT,it is HARMLESS ,PAINLESS.
Usually it does not require any treatment....For cosmetic reasons remedies are available
Like MICRO PUNCH SURGERY,LASER SURGERY,Topical application of tretinoin,bichloroacetic acid...,Electrodisscetion/cauterization
Next Steps
kindly visit dentist for further clinical examination and management