Aphthous ulcers -- Canker sores
Audiogram -- A hearing test Bruxism -- Clenching and grinding the teeth Calculus -- The hardened deposit composed of mineralized plaque and saliva Dental plaque -- A sticky substance made of mucus, food particles, and bacteria Glossitis -- Inflammation of the tongue, in which the whole tongue becomes extremely smooth, swollen, red, and painful Laryngoscopy -- Viewing the larynx with a mirror or a flexible, lighted scope Malocclusion -- Improper alignment of the teeth Mandible -- Lower jawbone Myringotomy -- Small incision made in the eardrum to allow pus to drain. Myringoplasty or Tympanoplasty -- Surgical repair with a tissue graft of the eardrum Neurofibromatosis -- A hereditary disorder characterized by widespread abnormalities in the nervous system, skin, and bones. Ossicles -- Tiny bones in the middle ear Otitis media -- Severe middle ear infection Otoliths -- Tiny calcium stones that press on hairlike fibers deep in the canals of the inner ear. When bent, these fibers send signals to the brain so it can calculate the head's position and maintain a person's balance. Otoscope -- A small, lighted viewing instrument for the ear. Otolaryngologist -- Ear, nose, and throat specialist Pulp -- The blood vessels and nerves that make up the soft core of each tooth Stapes -- One of the three tiny bones in the middle ear that mechanically conduct sound waves into the inner ear Stapedotomy -- Surgical removal of a portion of the stapes bone and replacement with an artificial prosthesis) Swimmer's ear (Otitis externa) -- Inflammation (often due to infection) of the skin of the outer ear, which includes not only the visible ear but also the portion of the ear canal that leads up to the eardrum. Thrush -- Oral fungal infection Tinnitus -- Persistent ringing or buzzing in the affected ear Tonsils -- The infection-fighting lymph tissue located on either side of the back of the mouth Tonsillectomy -- Surgery to remove the tonsils Vertigo -- Severe dizziness or a spinning sensation, and loss of balance Xerostomia (Dry mouth) -- Abnormal dryness of the mucous membranes in the mouth, due to a reduction of the flow or change in the composition of saliva | 
