Mouth DiseasesOral UlcerMouth MucosaGingival DiseasesMouth NeoplasmsLeukoplakia, HairyLeukoplakia, OralCandidiasis, OralLip DiseasesTongue DiseasesTongue, FissuredStomatitis, HerpeticTuberculosis, OralCheilitisMelanosisPrecancerous ConditionsDiagnosis, OralLeukoplakiaGingival HypertrophyLichen Planus, OralMouthStomatitis, AphthousErythroplasiaColposcopesTobacco, SmokelessGingivitis, Necrotizing UlcerativeGingival HyperplasiaGlossitis, Benign MigratoryGranuloma, PyogenicGingival NeoplasmsStomatitisMouth FloorArecaGlossitisErythemaPalatal NeoplasmsCarcinoma, Squamous CellOral HygieneBurning Mouth SyndromeTongueAIDS-Related Opportunistic InfectionsBiopsyPemphigusPsoriasisPrevalenceBrazilHIV SeropositivityHIV InfectionsIndiaSensitivity and SpecificityImmunoenzyme TechniquesDisease ProgressionRetrospective StudiesCD4 Lymphocyte CountAcquired Immunodeficiency SyndromeSex FactorsAntiretroviral Therapy, Highly ActiveCross-Sectional StudiesMagnetic Resonance ImagingRisk FactorsCase-Control StudiesTomography, X-Ray ComputedBrain DiseasesImmunohistochemistryArteriosclerosisTime FactorsTreatment OutcomeBrainDisease Models, AnimalIbotenic Acid