牙咬无力,怕冷怕热,是什么原因?

2025-02-26 21:39:19
推荐回答(5个)
回答1:

  你的牙是得牙本质过敏症了。
  牙本质过敏又称牙本质过敏症、过敏性牙本质,是牙齿受到外界刺激,如温度(冷、热)、化学物质(酸、甜)以及机械作用(摩擦、咬硬物)等引起的酸痛症状,当用尖锐的探针在牙面上滑动时,可找到一个或数个过敏区,它发作迅速、疼痛尖锐、时间短暂,是各种牙体疾病的共有症状,是由于釉质的完整性受到破坏牙本质暴露所致,磨耗、楔状缺损、牙折、龋病、牙周萎缩均可发生牙本质过敏。
  牙本质过敏主要是指釉质遭受破坏,牙本质暴露部分,受到温度(冷、热)、化学的(酸、碱)和机械的(刷牙、咬硬物)等刺激时,所引起的异常酸痛的感觉。这种敏感,常由于磨耗、楔状缺损、酸蚀或外伤等使釉质缺损,使牙本质暴露。
  1、病因及临床表现
  (1)病因:
  ①各种原因引起的牙本质暴露,如磨耗、楔状缺损、酸蚀、牙龈萎缩、外伤等;使釉质缺损,牙本质暴露,外界的刺激,通过牙本质神经造牙本质细胞浆突起传入引起过敏症状。
  ②全身状况不佳,如神经衰弱、妊娠期等全身应激性增高,神经末梢的敏感性也增高,往往过敏症状也明显。
  (2)临床表现:
  ①患牙对外界的刺激敏感性增高,特别是对酸、甜、冷和机械刺激产生一种难以忍受的酸痛。
  ②激惹性痛,没有自发痛,除去刺激,症状消失。
  ③用探针在牙面可找到过敏点等,一般可明确诊断。
  对小而深的敏感点,可作充填或调牙合;对敏感部位行脱敏治疗并注意检查和调磨对牙合过高的牙尖;牙颈部敏感区的脱敏应注意避免脱敏剂烧伤牙龈,应选用无腐蚀的脱敏剂 (如75%的氟化钠甘油糊剂);对多个牙敏感,尤其位于牙颈部,可考虑用激光或直流电离子导入法脱敏;对脱敏无效或激光法脱敏疼痛明显者,特别是伴有较严重的磨损者,可作牙髓治疗。

  当前常用的脱敏治疗方法有:
  1)氟化物:0.76%单氟磷酸钠凝胶或75%氟化钠甘油局部涂擦1~2分钟;2%氟化钠电离子导入(可用直流电疗器,也可用电解牙刷导入药物离子)。
  2) 氯化锶:10%氯化锶放入牙膏中或75%氯化锶甘油和25%氯化锶液局部涂擦。
  3)氨硝酸银、丁香油脱敏:防湿患牙,在过敏区涂以氨硝酸银,吹干,再用丁香油还原至黑色为止,反复2-3次,注意保护口腔粘膜组织。
  4)磺酚、麝香草酚透热法:先查出过敏区,或过敏点,隔离唾液,擦干牙面,用小棉粒沾药物置于过敏处,用烧热的器械头放在棉粒上,使其产热,反复数次,保护好口腔粘膜及牙龈,以免烫伤或药物烧伤粘膜。
  5)碘化银:3%碘酊涂半分钟,10%~30%硝酸银涂半分钟,产生灰白色碘化银。
  6)电凝法:隔湿,10%福尔马林液小棉球擦过敏点,球型电极电凝1秒钟,间隔5秒钟,反复10~15次。
  7)激光:YAG激光,功率15W照射敏感区每次0.5秒,10~20次为一个疗程。
  8)其他药物:4%硫酸镁液、5%硝酸钾液、30%草酸钾液。
  9)修复治疗:必要时牙髓失活治疗。

回答2:

怕热的是炎症,怕冷的是过敏。先处理炎症的。再处理怕冷的。

回答3:

回答4:

体虚吧~~~好好休息

回答5:

叫你好好休息!

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