Diagnosis and management of root fractures and periodontal ligament injury.

Although root fractures are among the less common oral injuries (6 percent), a careful diagnostic evaluation of such injuries is required to arrive at an appropriate treatment plan. The position of the fracture in the root will determine the proper management. The problem of luxation due to trauma often involves the use of dental splints, which, if not properly designed, may cause root resorption, loss of alveolar bone, pulpal necrosis and pulp canal obliteration. The guidelines for the type of splint to use and conditions under which it should be placed are presented.