The document discusses diseases of the oral cavity, oropharynx, and nasopharynx. It covers topics such as oral cavity floor abnormalities, pharynx divisions, developmental anomalies of the face, jaws and mouth including torus palatinus, torus mandibularis, micrognathia, prognathism, macroglossia, median rhomboid glossitis, ankyloglossia, lingual thyroid, cleft lip and palate, cysts of the jaws, oral mucosa disorders, oral tumors, nasopharynx enlargement and conditions, oropharynx acute and chronic tonsillitis, peritonsillar abscess, and tonsillectomy indications.