alexa Traumatic crown fractures in permanent incisors with immature roots: a follow-up study.
Dentistry

Dentistry

Dentistry

Author(s): Cavalleri G, Zerman N

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Abstract A follow-up study of crown fractured permanent incisors with incomplete root formation was carried out in a group of patients, aged 6-12 years, over a 5-year period in the Dental Clinic of the University of Verona, Italy. The number of injured patients was 55, representing 84 injured incisors. All patients were followed clinically and radiographically using a standardized follow-up protocol. The most common type of trauma was fracture of enamel and dentine without pulpal exposure (80\%) and the most common type of treatment was restoration with the acid-etch composite resin technique (46\%). Bonding of the crown fragment was performed in 10 instances (12\%). At the 5-year-control all teeth with fracture of the enamel had no pulp complications. Four of 67 teeth (6\%) with fracture of the enamel and dentine without pulpal involvement showed pulp necrosis and 1 tooth showed pulp obliteration (1.5\%). Eight of 14 teeth (57\%) with fractures of the enamel and dentine with pulp involvement showed pulp necrosis. Aesthetically 36 of the restored teeth were deemed satisfactory (43\%). In 9 teeth the bonded fragment had to be rebonded. 14 teeth were considered unsatisfactorily restored due to wear of the composite (17\%). 34 restored teeth had to be retreated because of a new trauma (40\%). In one tooth a previous bonded fragment had to be rebonded. These results confirmed that crown fractures without pulp involvement in permanent incisors with incomplete root formation hav a low percentage of pulp complications, while 60\% of the teeth with crown fractures with pulp involvement had pulp complications.
This article was published in Endod Dent Traumatol and referenced in Dentistry

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