(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.
3. Lymphadenopathy. Lymphadenopathy is a condition where the lymph nodes, small round organs found all over the body, begin to swell, which could cause painful lump behind ear. The swelling is caused by accumulation of immune cells within the lymph node.