I don't know anything about the tooth zappicator ,but after getting dr clarks book ( a cure for all diseases) she had explained how to make your own zapper to get rid of unwanted viruses, bacteria and parasites I made one and use it all the time or she sells them online ( it really works) I have avoided many colds and the flu just by zapping at the first signs of Illness ( she also claims that it will keep
candida in check if used every day for a week I haven't used it for that purpose yet ,but I am sure that it will work for that also