References for enamel-dentin fractures

• Ravn JJ. Follow-up study of permanent incisors with enamel dentin fractures after acute trauma. Scand J Dent Res 1981; 89: 355–365.
• Robertson A. A retrospective evaluation of patients with uncomplicated crown fractures and luxation injuries. Endod Dent Traumatol 1998; 14: 245–256.
• Stålhane I, Hedegård B. Traumatized permanent teeth in children aged 7–15 years. Part II. Swed Dent J 1975; 68: 157–169.
• Andreasen FM, Norén JG, Andreasen JO, Engelhardtsen S, Lindh-Strömberg U. Long-term survival of crown fragment bonding in the treatment of crown fractures: A multicenter clinical study. Quintessence Int 1995; 26: 669–681.
• Flores MT, Andersson L, Andreasen JO, Bakland LK, Malmgren B, Barnett F, Bourguignon C, DiAngelis A, Hicks L, Sigurdsson A, Trope M, Tsukiboshi M, von Arx T. Guidelines for the management of traumatic dental injuries. I. Fractures and luxations of permanent teeth. Dent Traumatol 2007; 23: 66-71.
• Moorrees CF, Fanning EA, Hunt EE. Age variation of formation stages for ten permanent teeth. J Dent Res 1963; 42: 1490-1502.
• Andreasen JO, Andreasen FM, Bakland LK, Flores MT. Crown fracture without pulp exposure. Traumatic Dental Injuries. A Manual. Oxford: Blackwell/Munksgaard Publishing Company. 2003, 28-29.
• Andreasen FM, Andreasen JO. Crown fractures. In: Andreasen JO, Andreasen FM, Andersson L, (eds.). Textbook and Color Atlas of Traumatic Injuries to the Teeth (4^th ed.). Oxford, Blackwell 2007. 280-305.

The data collected from this study have been used in prognosis calculations.