Oil pulling

Oil pulling is a term used to swish coconut oil olive oil around in your mouth to clean and heal.
From an engineering perspective it sounds plausible.
Why ?
Bacteria are not water based so cleaning with water does not have the same qualities as oil.
Water and oil do not mix so it stands to reason that bacteria will not dissolve in water, Water and acids do not dissolve oil generally speaking in conditions found in the mouth.
Oil could also stop the breathing capabilities of bacteria, It is possible it would also stop bacteria swimming in oil.
When you see an oil spill in the ocean animal and plant life is seriously threatened with oil sticking to every animal or bird causing suffocation and heat loss.
So on a smaller scale an oil spill inside your mouth would be on the same grand scale as a major oil spill in an ocean.
So would it work killing off bacteria in ones mouth and doing other repairs the answer would have to be yes with reservations.
I have tried it with the mouth feeling fresher.