University of Colorado confirms graphene oxide is in dental anesthetics. - Karen Kingston.. Dr Lundstrom, a family dentist, who formerly had contacted me to provide Darkfield Microscopy testing on dental anesthetics, was able to get analysis done at the University of Boulder Colorado - and they confirmed Graphene. He has been posting the results of his endeavors to get answers on his website. Dr McKernan also did analysis, as did Clifford Carnicom and myself. You can find these results here: Dental Anesthetics analysis Dr Lundstrom They explain: We began the process of getting answers on the safety of dental anesthetic...