1. Mesiodentes: Incidence, morphology, etiology.;Stellzig;J Orofac Orthop,1997
2. Radiographic determination of the prevalence of selected dental anomalies in children.;Mckibben;ASDC J Dent Child,1971
3. Dental anomalies of number, form, and size: Their prevalence in British Schoolchildren.;Brook;J Int Assoc Dent Child,1974
4. Congenital numerical variation in the permanent dentition. Sex distribution of hypodontia and hyperdontia.;Egermark-Eriksson;Odontologiskrevy,1971
5. Anterior supernumerary teeth-assessment and surgical intervention in children.;Primosch;Pediatr Dent,1981