Andreasen classification (part 1) enamel infraction enamel fracture enamel-dentin fracture Injuries to the hard crown fractures with pulp involving dental tissues and pulp uncomplicated crown-root fracture complicated crown-root fracture root fracture
Andreasen classification（part 1） Injuries to the hard dental tissues and pulp enamel infraction enamel fracture enamel-dentin fracture crown fractures with pulp involving uncomplicated crown-root fracture complicated crown-root fracture root fracture
Andreasen classification (part 2) concussion subluxation extrusive luxation Injuries to the periodontal tissues lateral luxation intrusive luxation avulsion
Andreasen classification（part 2） Injuries to the periodontal tissues concussion subluxation extrusive luxation lateral luxation intrusive luxation avulsion
Andreasen classification (part3) comminution of alveolar socket Injuries to the fracture of alveolar socket wall supporting bone fracture of alveolar process fractures of mandible or maxilla,jaw fracture Injuries to the laceration of gingiva or oral mucosa gingival or contusion of gingiva or oral mucosa oral mucosa abrasion of gingiva or oral mucosa
Andreasen classification（part 3） Injuries to the supporting bone comminution of alveolar socket fracture of alveolar socket wall fracture of alveolar process fractures of mandible or maxilla, jaw fracture Injuries to the gingival or oral mucosa laceration of gingiva or oral mucosa contusion of gingiva or oral mucosa abrasion of gingiva or oral mucosa
1.4 History and examination excluded brain damage when did injury occur? 1.4.1 Dental history where did injury occur? how did injury occur? previous dental injury
where did injury occur? excluded brain damage how did injury occur? 1.4.1 Dental history when did injury occur? 1.4 History and examination previous dental injury
1.4.2 Cinical examination Visual Palpation examination test Clinical examination Percussion Pulp vitality test test Occlusion examination
1.4.2 Cinical examination Clinical examination Visual examination Palpation test Percussion test Pulp vitality test Occlusion examination