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為什麽有時補牙要補好幾次

Posted By vickong pun     July 11, 2021    

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為什麽有時補牙要補好幾次

  

  爲什麽有時補牙要補好幾次?許多患者不解,“爲什麽某某人補牙1次,而我要補2次,甚至多次?”其實,不論醫生和護士都希望1次“結束戰鬥”,但補一顆病牙,是1次補好還是幾次補好,主要根據病情而定。當發現牙齒有洞,平時不痛或僅有刺激痛,檢查齲洞不深或較深,去齲後牙髓未暴露,一般可以1次補好。如果牙齒有陣發性痛,引起頭痛,冷、熱刺激使牙痛加劇,要“殺神經”治療,一般需要2次。如果“牙伸長”,上、下牙齒不能接觸,牙根或面部腫脹、流膿,診斷爲慢性根尖周炎急性發作,治療需要3次左右,即開髓引流、消炎止痛——根管預備和消毒——根管充填永補。 “殺神經”是將失活劑准確放置在牙髓暴露部位,在約定的時間能把牙神經殺死,有的牙複診鑽牙時仍痛,說明失活尚不完全,需要再“殺神經”,根尖周炎開髓引流、消炎不徹底或根管治療預備後出現腫脹,需要再開放,這些都會增加複診次數。因此,補牙幾次由病情而定,不是醫生或患者能隨便決定的。

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