All teeth had periodontitis and occlusal traumatism.Conclusion Occlusal traumatism was the main causes of vertical root fracture.X-ray examination was helpful to diagnosis.Pre...

 
  • 结论咬合创伤是牙根纵裂的主要原因,X线检查有助诊断,牙根纵裂缺乏有效的治疗方法,应以预防为主。
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