my company no longer carries liquefied birch:

I used to brush with liquefied birch whenever my mouth became inflamed, but recently discovered that olives are good for inflammation. It was when one side of my mouth became inflamed, including the roof of my mouth. I tried consuming hot (temperature), soft and salty foods hoping this would help, but it didn't seem to make a difference. 

The next morning, I consumed the contents of an entire can of black olives and the healing that took place in my mouth was incredible. It's unbelievable. 

So now I will recommend olives for inflammation.