References
- Andreasen, J. O. (1972) Traumatic Injuries of the Teeth, pp. 111–140, St Louis: C. V. Mosby.
- Andreasen, J. O. and Hjorting-Hansen, E. (1967) Intra-alveolar root fractures: radiographic and histologic study of 50 cases, Journal of Oral Surgery, 25, 414–426.
- Austin, L. T. (1930) A review of forty cases of retained, fractured roots of anterior teeth, Journal of the American Dental Association, 17, 1930–36.
- Lindahl, B. (1958) Transverse intra-alveolar root fractures: roentgen diagnosis and prognosis, Odontologisk Revy, 9, 10.
- Zachrisson, B. and Jacobsen, I. (1975) Long-term prognosis of 66 permanent anterior teeth with root fracture, Scandinavian Journal of Dental Research, 83, 345–354.