武汉大学：《牙体牙髓病学》课程PPT教学课件（英文版）外伤性牙齿损伤 Traumatic Dental Injuries

Traumatic Dental Injuries ZHU Qi Wuhan University School of Stomatology

Traumatic Dental Injuries ZHU Qi Wuhan University School of Stomatology

Classification for Injuries to the Oral Structure 873.60 Enamel fracture 873.61 Crown fracture without pulp involvement 873.62 Crown fracture with pulp involvement 873.63 Root fracture 873.64 Crown-root fracture 873.66 Tooth luxation(dislocation) 873.67 Intrusion or extrusion 873.68 Avulsion 873.69 Other iniuries

Classification for Injuries to the Oral Structure ——WHO 873.60 Enamel fracture 873.61 Crown fracture without pulp involvement 873.62 Crown fracture with pulp involvement 873.63 Root fracture 873.64 Crown-root fracture 873.66 Tooth luxation (dislocation) 873.67 Intrusion or extrusion 873.68 Avulsion 873.69 Other injuries

Etiology 4 Falling while playing and running: 16%0-2590 4! Automobile accidents. H! Sports activities

Etiology Falling while playing and running: 16%~25% Automobile accidents: Sports activities

Incidence 1 20%0-25%o population suffered a dental injury I First two decades, from ages 8 to 12 years I Maxillary central incisor, lateral incisor. Mandibular incisors

Incidence 20%~25% population suffered a dental injury First two decades, from ages 8 to 12 years Maxillary central incisor, lateral incisor, Mandibular incisors

Examination I History Chief complaint History of Present Illness (injury Medical history

Examination Ⅰ History Chief Complaint History of Present Illness (injury) Medical History

Examination I History of Present IlIness(injury) When and Where did the injury happen? How did the injury happen? Have you had treatment elsewhere before coming here? Have you had similar injuries before? Have you noticed any other symptoms since injury? What specific problems have you had with your teeth?

Examination Ⅰ History of Present Illness (injury) When and Where did the injury happen? How did the injury happen? Have you had treatment elsewhere before coming here? Have you had similar injuries before? Have you noticed any other symptoms since injury? What specific problems have you had with your teeth?

Examination II Clinical Examination Soft tissues Facial bones Teeth Tooth Fracture Mobility Displacement Injury to Periodontal ligament and Alveolus Pulpaltrauma

Examination Ⅱ Clinical Examination Soft Tissues Facial Bones Teeth Tooth Fracture Mobility Displacement Injury to Periodontal ligament and Alveolus Pulpal Trauma

Examination Ill Radiographic examination indispensable in the diagnosis and treatment detection: dislocation, root fracture, jaw fracture Follow-up Evaluation after 6 wks, 6 m, 12 m, yearly for several years

Examination Ⅲ Radiographic Examination Follow-up Evaluation indispensable in the diagnosis and treatment. detection : dislocation, root fracture, jaw fracture after 6 wks, 6 m, 12 m, yearly for several years

ENAMEL FRACTURE or CROWN INFRACTION Definition Incomplete fracture or crack of enamel without loss of tooth structure

Definition: Incomplete fracture or crack of enamel without loss of tooth structure. ENAMEL FRACTURE or CROWN INFRACTION

Diagnosis and Clinic Presentation Crack or craze line indirect light or transillumination

Diagnosis and Clinic Presentation Crack or craze line indirect light or transillumination