Another option is to use the Miswak. I was given one by an Islamic friend who was using it during Ramadan. Click here for more information on the miswak.
Try making your own by mixing 4tsps of baking soda, 1tsp of salt, and peppermint essence to taste. It can be a bit intense, but our teeth have never felt so clean! It is a good idea to rinse your mouth with plenty of water prior to brushing with this paste.
Another great recipe was sent to us from Cathy who found it at pigs,tits and parsley sauce. It adds glycerine to the above recipe, so is: 1Tsp baking soda, 1Tsp glycerine, 1tsp salt, and peppermint essence to taste. Cathy was able to buy a large jar of glycerine at an Asian food market.
Lets not get into the fluoride debate, if you don’t have fluoride in your water, and you miss it in your toothpaste you can purchase fluoride tablets from the pharmacy.