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乜情况唔拔残根做镶牙

Posted By vickong pun     July 7, 2021    

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由於齲齒、外傷等原因致使牙冠大面積缺損,甚至牙冠完全缺失,只留下殘余嘅牙根,稱為殘根。呢種殘牙若發生喺前牙,會影響美觀和發音,若系後牙則影響咀噍功能,致使病人只能用對側咀噍食物,長此以往,會引發顳下頜關節紊亂綜合征。為了避免呢一系列後遺症,恢復美觀和功能,患者應盡早到醫院進行治療和修復。經醫生檢查,若殘牙穩固,牙根有足夠長度,且牙槽骨有足夠長度並有足夠嘅支持,呢種殘牙大多唔使掹除,而且可以進行固定修復。拔残根珠海拔殘根
——治療包括以下幾步:第一步,醫生對根管進行預備,擴大,充填,呢就系通常所講嘅杜牙根。2周以後,若患者無唔適症狀,原有根尖部炎症已得到恢復。第二步,醫生對已杜牙根嘅患牙進行制備。首先,制備牙冠部分使之與牙齦平齊,然後喺根管內制備樁釘嘅位置。其長度約為根管長度嘅2/3,寬度約為根管寬度嘅1/3,隨後攞模型,再用牙膠封閉根管口。第三步,攞模型送到技術室,由技工制備樁釘和外部嘅烤瓷修復冠。第四步,醫生把做好嘅樁釘和修復冠喺患者口腔內試戴,修改調,把樁釘粘固喺根管內,修復冠粘合喺樁釘上,咁,修復就完成了。呢種固定義齒嘅優點在於修復體與原有嘅牙齒大小一致,患者無異物感,發揮咀噍功能好,對發音無影響,色水選擇范圍大。但也有一些缺點,如烤瓷修復體脆性大,易拗,唔得用其咬硬度較大嘅食物,而且呢種固定義齒唔像活動義齒容易清潔,所以患者需要每天擦牙時應仔細刷洗修復嘅義齒,避免菌斑、牙石刺激牙齦,保持牙冠邊緣與牙齦良好嘅接觸關系。

如有疑問,可以通過WeChat&WhatsApp進行咨詢,就診請提前book位,預約之後提前安排牙醫,另可免問診金、免排隊,可享牙醫9折優惠。

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