文档介绍:Traumatic Dental Injuries
ZHU Qi
Wuhan University School of Stomatology
Classification for Injuries to the Oral Structure ——WHO
Enamel fracture
Crown fracture without pulp involvement
Crown fracture with pulp involvement
Root fracture
Crown-root fracture
Tooth luxation (dislocation)
Intrusion or extrusion
Avulsion
Other injuries
Etiology
Falling while playing and running: 16%~25%
Automobile accidents:
Sports activities
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
plaint
History of Present Illness (injury)
Medical History
Examination Ⅰ
History of Present Illness (injury)
When and Where did the injury happen?
How did the injury happen?
Have you had treatment elsewhere ing 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
Pulpal Trauma
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
Definition:
plete 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