OropharynxOropharyngeal NeoplasmsMouthMouth NeoplasmsPharyngeal NeoplasmsCarcinoma, Squamous CellHead and Neck NeoplasmsMouth MucosaHypopharynxTongueLaryngeal NeoplasmsNasal CavityMouth DiseasesSalivaPharynxTongue NeoplasmsTonsillar NeoplasmsHypopharyngeal NeoplasmsPharyngeal DiseasesPalate, SoftNeck DissectionLarynxGingival NeoplasmsCandidiasis, OralPapillomavirus InfectionsHuman papillomavirus 16Peritoneal CavityHyoid BoneDental PlaqueUvulaDeglutitionOtorhinolaryngologic NeoplasmsPalatal NeoplasmsDeglutition DisordersGingival DiseasesPalate, HardOral UlcerOtorhinolaryngologic Surgical ProceduresNeoplasm StagingPapillomaviridaeCombined Modality TherapyGingivaSalivary Proteins and PeptidesStreptococcus mutansEpiglottisMucous MembraneEndoscopyNoseTracheotomyForeign BodiesPalatine TonsilDental Cavity PreparationPrevotellaOral Surgical ProceduresTomography, X-Ray ComputedRadiotherapy, Intensity-ModulatedPleural CavityHuman Papillomavirus DNA TestsRadiotherapy DosageStreptococcusLip NeoplasmsAlphapapillomavirusPharyngeal MusclesCarrier StateLaryngoscopyTongue DiseasesPrognosisPeriodontal DiseasesDenturesCarcinoma, VerrucousCheekTreatment OutcomeNeckSurvival RateDental Caries4-Nitroquinoline-1-oxideRetrospective StudiesNasopharynxImmunohistochemistryFusobacterium nucleatumStreptococcus mitisSmokingRisk FactorsHalitosisArecaVaginal DiseasesMouth FloorDental PelliclePeriodontitisLaryngeal MasksGingivitisPolymerase Chain ReactionIntubation, GastrointestinalDiagnosis, OralPneumonia, Ventilator-AssociatedAirway ObstructionDisease-Free SurvivalRadiotherapy, AdjuvantMaxillary NeoplasmsProspective Studies