(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.
Symptoms of Lump Behind Ear. The symptoms that can be associated with lump behind ear will depend on what the underlying condition, disease, or disorder is causing it. There are even certain conditions that cause these lumps behind ear to involve other body systems.