• Reposition the coronal fragment and use firm splinting for 3 months
• Root : crown1/3 middle1/3 apical1/3
2021/2/22
chi
28
根折
root fractures
• 颈1/3:拔除“牙折冠”,根管治 疗后,龈切或牵引+冠修复
• Concussion and Subluxation
• Extrusion • Lateral Luxation • Intrusion • Fracture of the Alveolar
Process
2021/2/22
chi
17
治疗原则
• 乳牙外伤 • 冠折 • 根折 • 冠根联合折 • 牙完全性脱位 • 牙震荡
2021/2/22
chi
24
Pulpotomy
• Isolate the pulp exposure • Amputate the pulp to a level approximately 2
mm below the exposure site,or to where fresh bleeding is seen • Restore the tooth either immediately or after a 3-month period
33
Concussion and Subluxation
• Occlusal relief(e.g. by selective grinding of opposing teeth) and a soft diet
• Immobilization of the involved teeth may be appropriate for patient comfort,2 weeks fixation