BenzocainePrilocaineAnesthetics, LocalLidocaineTetracaineAdministration, TopicalPeriodontal DressingsAnesthesia, LocalAnesthesia, DentalAnesthetics, CombinedGingival PocketAnestheticsPain PerceptionAnesthetics, InhalationInjectionsGelsPainPain MeasurementAnesthetics, GeneralAnesthetics, IntravenousIsofluraneHalothaneEnfluraneMethyl EthersAnesthesiaAnesthetics, DissociativePropofolMethoxyfluraneAnesthesia, GeneralBupivacaineAnesthesia, InhalationKetamineNitrous OxideNerve BlockThiopentalEtomidateProcaineEtherAnesthesiologyPentobarbitalDibucaineMepivacaineAnesthesia, IntravenousElectrophoresis, Gel, Two-DimensionalEtidocaineCarticaineChloroformAnesthesia, ConductionAnesthesia, EpiduralAdjuvants, AnesthesiaXylazineAnesthesia Recovery PeriodEthersAnesthesia, ObstetricalElectrophoresis, Gel, Pulsed-FieldHypnosis, AnestheticFentanylPregnanedionesDose-Response Relationship, DrugXenonAnesthesia, SpinalElectrophoresis, Agar Gel