1. Supernumerary lateral incisor teeth;Johnson;British Journal of Orthodontics,1973
2. An orthopantomographic study of hypodontia supernumerary teeth and other anomalies in school-children between the ages of 8 and 9 years;Bergstrom;Swedish Dental Journal,1977
3. Hyperodontia: 1. Frequency and distribution of supernumerary teeth among 21609 patients;Bodin;Dentomaxillofacial Radiology,1978
4. Characteristics of premaxillary hyperdontia;Hurlen;Acta Odontologica Scandinavica,1985