Abstract:

Objective　To explore a newmethod and its clinical significance of restorative ceramo-metal by using a self-made crown post-core to reutilize the broken crown.Methods　18 teethwere restoredwith ceramo-metal tooth by using self-made crown post-core in order to preserve the old broken base tooth. The patients′own feelings and clinical effect were observed.Results　 Followed up for 1~3 years, 83.3% (15 teeth) of the patients were successful. Among the group one was failed because of bad condition of post and caused split of tooth root. The second failurewas caused by uneven force by coherent paste uneven. The third failure was caused by tight biting force and caused the tooth broken.Conclusion　Restoring ceramo-metal tooth by using self- made crown post-core in order to re-utilize the broken crown of the base tooth is convenient and low cost and is suitable for basic hospitals.

Key words: self-made crown post-core, broken crown, base tooth