If you have been to any of my postnatal yoga classes you have probably heard me talk about baltic amber teething necklaces. Here is a link to a great article that explains the science and use of amber teething necklaces -
http://www.amberartisans.com/amtene15.html.
Most mommas that have gotten them and had their kid wear one have reported less drool and better disposition while teething. Seems it is worth a try.