A primary double molar tooth in a child with Russell-Silver syndrome.

The prevalence of double teeth in the primary dentition, for the British schoolchild, is 1.6%. Although primary double teeth in the anterior region of the mouth are not uncommon, double teeth in the primary molar region are rare. This case report describes the intra-oral findings, and in particular a case of a primary molar double tooth, in a young child who has Russel-Silver syndrome.