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Int J Paediatr Dent. 2006 Sep;16(5):320-6.

Signs and symptoms from ectodermal organs in young Swedish individuals with oligodontia.

Author information

1
National Oral Disability Centre, The Institute for Postgraduate Dental Education, Jönköping, Sweden. birgitta.bergendal@lj.se

Abstract

OBJECTIVES:

The aim was to assess signs and symptoms from other ectodermal organs in addition to teeth in young individuals with oligodontia and to establish the prevalence of oligodontia.

SAMPLE AND METHODS:

Children born 1981-94 reported by dental teams in the Public Dental Service to have oligodontia were asked to participate in a clinical study. The examinations comprised a structured interview on symptoms from ectodermal organs, and testing of salivary secretion.

RESULTS:

One hundred and sixty-two individuals met the inclusion criteria, and 123 individuals (75.9%) participated in the clinical study. Half of the individuals had one to four signs or symptoms from ectodermal organs beside oligodontia. The most common sign was low salivary secretion. Twelve individuals (9.6%) with isolated oligodontia reported impaired function of the sweat glands, hair, or nails. The prevalence of oligodontia was 0.090%.

CONCLUSIONS:

An early identification of individuals with oligodontia can be made in a majority of cases by checking that all permanent incisors have erupted at the age of 8 years. The validity in asking individuals about normal and abnormal function of ectodermal organs was found to be low. This indicates that there is a strong need to establish routine clinical criteria for dysplasia of ectodermal organs.

[Indexed for MEDLINE]

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