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杜牙根後做牙冠嘅3大原因!

Posted By vickong pun     July 11, 2021    

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杜牙根後做牙冠嘅3大原因!
做過杜牙根嘅患者,經常喺杜牙根之後聽到醫生建議做牙冠,但系對於點解要做牙冠並唔瞭解。今日我哋就嚟睇下杜牙根後做牙冠嘅3大原因



杜牙根系治療牙髓病及根尖周病嘅一種治療方法,而做牙冠系一種牙齒修復方法,杜牙根後系否需要做牙冠修復要睇牙體破壞程度,如果牙齒破壞到無法用補牙材料充填或充填後無法獲得足夠嘅強度以恢復咀噍功能,就需要做牙冠修復,否則用永久性補牙材料充填即可。



杜牙根後做牙冠嘅3大原因!



點解杜牙根後需要做牙冠,原因主要有三個方面:



1、因為需要進行杜牙根嘅牙齒一般已系齲病(蟲牙)、缺損很大,呢時雖然杜牙根完成,但系其所剩嘅牙體組織系很脆弱嘅,非常容易折斷、裂開,失去正常嘅功能,單純用材料已經冇法恢復功能。



2、杜牙根系以藥物以及器械嘅操作嚟將根管內嘅殘渣以及細菌盡可能地清除消毒乾淨。然而,咁嘅消毒過程如果要認真嘅進行,卻必須去除掉唔少被細菌感染嘅牙齒,以及不得不修整嘅牙體組織。所以大部分嘅牙齒一旦進行杜牙根,則可能唔太足夠支持咀噍嘅力量而可能斷裂,單純用材料已經冇法恢復功能,就算能恢復長遠效果也唔好。



3、經過杜牙根後嘅牙齒失去了嚟自牙髓嘅營養供應,就像失去樹根嘅樹木一樣,慢慢枯萎變嘅很脆弱,造成牙齒嘅脆性增加,易劈裂。



由於呢三方面嘅原因,成個牙齒嘅支持力量明顯減弱,可能喺某些特定條件下不足以支持咀噍壓力而容易發生牙冠劈裂,所以要及時做個牙冠把佢保護起嚟。



以上就系「杜牙根後做牙冠嘅3大原因!」嘅具體介紹,希望對大家有所幫助。

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