[Oral protozoiasis].
D000293:Adolescent; D000328:Adult; D000368:Aged; D000562:Amebiasis / Q000453:epidemiology; D000656:Amoeba / Q000302:isolation & purification; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009055:Mouth / Q000469:parasitology*; D009059:Mouth Diseases / Q000453:epidemiology*; D011528:Protozoan Infections / Q000453:epidemiology*; D014244:Trichomonas / Q000302:isolation & purification