spot no mouth sore develops some users report that if they begin applying the patch when the mouth sore is very small and barely painful only 24 hours of treatment is required but if they wait until the sore is as large as a tomato seed then they need 48 hours of treatment before it starts to heal because use of antibiotics antibacterials and other pharmaceutical antimicrobials causes adverse side effects experimentation with these medications has been limited however sufficient experimentation was done with amoxicillin on conventional patches to determine that it works quite well conventional amoxicillin powder for preparation of oral suspension was used which includes sugars and other excipients the sugars act as a binder to the oral patch the oral suspension is massaged into the patch and dried preferably the amoxicillin powder is mixed into a stronger than normal liquid before being added to the patch the following show non limiting examples of oral patches used for the above described method for treating sores opposite a tooth a preferred patch for use in the method of the present invention is comprised of the following ingredients the cahpo4 is to neutralize nearby acids and release ions that are good for teeth the following shows an example for ranges of ingredients in one example of a patch and an example of how.