Humans 4 Oropharynx human 4 Female 3 Male 3 female 3 male 3 nasopharynx 3 oropharynx 3 procedures 3 Article 2 Cone-Beam Computed Tomography 2 Imaging, Three-Dimensional 2 Middle Aged 2 Nasopharynx 2 Pharynx 2 Retrospective Studies 2 adult 2 article 2 cone beam computed tomography 2 diagnostic imaging 2 isolation and purification 2 middle aged 2 nonhuman 2 pathology 2 pharynx 2 retrospective study 2 three dimensional imaging 2 virology 2 Adolescent 1