牙髓炎是样判一種經常發生在人們身體上的牙齒疾病,但是断牙在牙髓炎的發病早期 ,患者往往都沒有采取正確的髓否治療方法,以至於錯過了最佳治療時間 。坏死牙髓炎主要是样判由於患者的牙髓感染到細菌引發的一種炎症,所以牙髓炎和齲齒蛀牙之間有必然聯係。断牙而在牙髓炎發作的髓否過程中,又應該如何判斷牙髓是坏死否壞死呢?
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牙髓壞死需要與以下疾病鑒別:
1.牙間乳突炎 由於食物嵌塞引起乳突炎。有自發性痛,样判其特點為持續性脹痛,断牙冷熱刺激痛 。髓否檢查可見牙間乳突充血水腫,坏死局部牙齦明顯觸痛 ,样判常可見有食物嵌塞於鄰間隙 。断牙
2.三叉神經痛 三叉神經痛性質為銳痛,髓否突然發作,疼痛劇烈像撕裂樣 ,有反射痛 ,並沿三叉神經分布。與急性牙髓炎區別點是三叉神經痛很少在夜間發作,多因在洗臉、說活誘發,每次發作時間短暫,持續數秒至1 、2分鍾 ,很少持續超過5分鍾。冷熱刺激不引起疼痛,有疼痛接點稱為“板機點”,觸及此處則引起疼痛發作。
3.急性上頜竇炎 急性上頜竇炎患者常以上頜牙痛就診。因上頜後牙的牙根接的上頜竇底,分布上頜後牙牙髓神經在入根尖孔前經上頜竇側壁和竇底 ,故上頜竇內的感染常引起上頜後牙的神經痛,並反射患側頭麵部痛 ,很像急性牙髓炎 ,所以應加以區別。其特點是 :急性上頜竇炎疼痛為持續性脹痛,可累及上頜尖牙、雙尖牙、磨牙區 。檢查叩痛 。患者常有頭痛 、鼻阻及流膿鼻涕曆史。檢查上頜竇前壁壓痛 ,若化膿做副鼻竇穿刺,可有膿液流出。
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慢性增生性牙髓炎與以下疾病鑒別 :
(1)牙齦息肉 多係鄰麵齲損牙齦長入洞內形成息肉。檢查時探針撥動息肉蒂與牙齦相連 。
(2)牙周膜息肉 由於多根牙齲齒破壞大,髓底穿通 ,根分叉穿通,長期慢性刺激,引起牙周膜增生,穿入孔內形成牙周膜息肉。息肉蒂是與牙周膜相連 ,探針檢查可插入髓底直達根分叉 ,但探痛不明顯。
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慢性閉鎖性牙髓炎與以下疾病鑒別:
(1)深齲 患牙對冷熱酸甜均感疼痛,無自發痛 。深齲洞探診敏感 ,無叩痛 。溫度測試敏感,電活力測試正常。
(2)牙髓充血 患牙對冷熱刺激敏感,尤其是冷刺激更為敏感,無自發痛,疼痛性質為銳痛 。無叩痛,電活力測試讀數低於正常。
應注意牙髓息肉與齦乳頭增生長入鄰牙合麵洞內,與髓底穿通長的息肉鑒別。否則後果嚴重。
牙齒在我們的生活中扮演著很重要的角色,一旦牙齒發生病症,雖然不會危及患者的生命危險,但卻會對其正常生活會產生很大的影響。廣大朋友在平時要多注意保護好自己的牙齒,勤刷牙,勤檢查,對牙齒出現的異常情況也別不以為意 ,如果發現自己出現了牙髓壞死的症狀,一定要及時到就近醫院谘詢醫生,要把握好最佳治療時機,爭取早治療,早康複。
(责任编辑:知識)
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