ProcainePenicillin G ProcaineAnesthetics, LocalMethemoglobinemiaLidocaineToothacheAminobenzoatesBatrachotoxinsBenzocaineTetracaineDibucainePulpitisChloraminesPharmaceutical Vehiclespara-AminobenzoatesKv1.5 Potassium ChannelDental Pulp TestAnesthesia, LocalTosyl CompoundsParabensAdministration, TopicalAnesthesia, DentalGelsSodium ChannelsAnti-Infective Agents, LocalCaffeineProcainamideSodiumBupivacaine4-Aminobenzoic AcidPain MeasurementPlacebosPotassium Channels, Voltage-GatedTetrachlorvinphosPenicillin G BenzathineIon Channel GatingPotassiumFluorocarbon PolymersBinding SitesHypothalamus, PosteriorCalcium Radioisotopes