Some Epidemiological Aspects of Tooth Decay

Some advances in the control of tooth decay.

SOME EPIDEMIOLOGICAL ASPECTS OF CRYPTOSPORIDIOSIS IN AHWAZ, CAPITAL OF KHOOZESTAN PROVINCE, ISLAMIC REPUBLIC OF IRAN

From December 1990 to June 1992 in Ahwaz, capital of Khoozestan province, 1333 patients referred to Khoozestan Parasitology Center, in 29 cases of whom Cryptosporidium pallium was detected. All infected patients were less than eight years of age. The parasite was most prevalent in the 0-1 year old age group. Though some C. parVlIl1l infected cases harboured Giardia lamblia, there was no rel...

Epidemiological aspects of some problems in child and adolescent psychiatry.

The word epidemiology derives from the Greek words epi (upon), demos (people), and logos (the study of), and is often defined (MacMahon & Pugh, 1970) as the study of how rates of disease vary in differing populations. This strategy has been used to great effect in child psychiatry where epidemiological findings have pointed the way to fundamentally importane knowledge. In this editorial I will ...

Some epidemiological aspects of Down's syndrome in British Columbia.

If an infectious illness causes congenital malformations then those malformations would be expected to occur in clusters as does the infection itself. There is some evidence that chromosomal abnormalities may be non-randon-that is, that cases occur in clusters (Robinson and Puck, 1965; Hecht, Bryant, Gruber, and Townes, 1964; Day, 1966). Many workers have speculated on the cause of this "nonran...

Some epidemiological aspects of dermatophyte infections in Southwest Iran.

Distribution and prevalence of various species of dermatophytes are not the same in different areas of the world. The aim of the present study was epidemiologic evaluation of dermatophytic infections in our area. A retrospective epidemiologic study was carried out and all patients with dermatophyte positive smears identified at the Referral Center of Southwest Iran located in the city of Ahvaz ...