Our life span is genetically programmed and it is possible that a defect in 
produced proteins encoded by the longevity gene is a cause of aging. Progeria 
which is a rare, fatal genetic condition which affects between one in four 
million and one in eight million children of both sexes equally and 
characterized by premature and accelerated aging. The appearance and physiology 
of these children resembles to elderly people but they typically have life span 
to their mid teens. It is also known as the Hutchinson-Gilford syndrome, which 
was initially reported by Johnathan Hutchinson in 1886 and further described by 
Hastings Gilford in 1904. It is an autosomal recessive disorder, which means an 
individual has inherited a mutated gene from both parents. It is added to the 
expanding catalogue of laminopathies, diseases caused by mutations affecting 
nuclear lamina proteins known as lamin A (LMNA). In oral manifestation primary 
finding is micrognathia with delayed tooth eruption and incomplete formation of 
root of permanent tooth. Presently there are no known cures for this 
abnormality.