YIN Dongqing. Reutilization of old crown of base tooth after its breaking[J]. Journal of Chongqing Medical University, 2005,(6):857-858. DOI: 10.13406/j.cnki.cyxb.2005.06.022.
Objective; To explore a new method and its clinical significance of restorative ceramo - metal by using cast metal post -core to reutilize the broken crown. Methods; 30 teeth were restored with ceramo - metal tooth by using cast metal post - core in order to preserve the old broken base tooth
and their prognoses were observed. Results: 30 teeth post - core were inserted smoothly
and PFM crowns border sealed. During 5 years follow up
93% (28 teeth) cases were successful
although unfortunately there were 2 cases of failure with split of tooth root. Conclusion; Restoration of ceramo - metal tooth by cast metal post - core in order to reutilize the broken crown of the base tooth is convenient
time - saving and well casted
therefone it could be used widely in clinic.
关键词
铸造桩核冠折烤瓷冠修复
Keywords
Casting post coreBroke crownPorcelain - fused - to - metal ( PFM )Restoration.