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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.

[Extract] Sir, we would like to share with your readers an unusual case of a patient with a double mandibular molar. A 26-year-old male patient presented to our department complaining of a missing tooth in the lower left posterior region. He gave a history of extraction of the tooth two years previously due to caries. Clinical examination revealed missing teeth 36 and 38 but tooth 37 demonstrated the anomalous morphology of a double tooth (Fig. 1), which radiographically (Fig. 2) revealed a large tooth with multiple roots, none of which were anomalous.