canal裡有bleeding的現象?? - 牙齒保健

By Connor
at 2010-12-12T12:29
at 2010-12-12T12:29
Table of Contents
有一個p't做lower premolar的endo
之前RCT都無異樣 也沒有症狀了
等到第三次要RCF paper point下去發現有bleeding
原本想是不是overinstrumentation 但x-ray check WL也還好
且比WL短1mm處仍可吸到blood
請問板上的前輩們 如果沒有perforation 但卻有bleeding的現象
有可能是甚麼原因 煩請指教
感謝~~!
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By Barb Cronin
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