(partial anodontia)Oligodontia: having 6 or more congenitally missing teeth.Hyperdontia: extra teeth, same as supernumerary teeth, may be singleor multiple as in CCD.(*To see how the web site OMIM works, log on and enter hypodontia.)Congenitally missing teeth (hypodontia and oligodontia) are not rare.
1 Symptoms of mastoiditis include fluid draining from the ear, fever, headache, acute ear pain, redness and swelling behind the ear and loss of hearing. 2  Antibiotics are used to treat mastoiditis. 3  Swimmer's Ear-Infection of the outer ear canal is termed swimmer's ear.
Common Cold. A viral infection of the nose is the most common cause. The nasal congestion also blocks the ear tube eustachian tube. The ear tube normally keeps air in the middle ear. Ear Infection. Middle ear pus can also cause muffled hearing on that side. This commonly happens with an ear infection. Middle Ear Fluid.