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【医学口语会话】龋齿

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  patient: Nurse , would you like to tell me something about caries?

  Nurse: Of course . What do you want to know?

  P: What causes dental caries?

  N: It's mainly caused by certain organisms of the oral flora . It is an irreversible , slowly progressive decay of the hard tissues . It leads to a disintegration of tooth structures and cavitation.

  P: I wonder if the lesions occus predominantly in particular regions of the tooth(teeth)?

  N: That's right . It's also connected with the defect of the structure of the tooth(teeth)。

  P: What is the defect of the structure of the tooth(teeth)?

  N: It means the dyspasia of the dentine or the uneven squeezingly positioned teeth and the physically defect with sulci and fossae on the teeth.

  P: How can we prevent this disease?

  N: The first . it's very important that you pay more attention to the dental hygiene . You should brush your teeth twice a day . once in the morning , and once in the evening . The upper row of the teeth should be brushed first , then the lower row . All the crevices must be cleared of remnant food . Besides that . you should rinse your mouth after meals . The second , take less sweet food , especially for children . Don't take fermented food before you go to bed or wake up at night , such as candy or biscuit . The third , come here for periodical checkups once or twice a year . Caries may progress microscopically a considerable period of time before the lesion can be observed clinically in the tooth strucure . Generally if the cavity is not deep , you'll have no symptom, so you should have the permanent filling in case that the cavity may get bigger . The fourth , the methods in using immunization , laser and coating material to prevent caries are still being carried out in tests . The fifth , to build up your health is very important.

  P: It's very kind of you to answer my questions.

  病人:护士,您能给我讲讲龋齿吗?

  护士:当然可以,您想了解什么?

  龋齿是由什么引起的?

  护士:龋齿是由口腔菌丛中的某些细菌所引起的。它是在牙齿硬组织中发生的一种不可逆的缓慢进行腐蚀过程,导致牙齿组织崩解及腔洞形成。

  病人:该病变是否主要发生在牙齿的一些特殊部位?

  护士:晃的,它知牙齿的结构有缺陷有关。

  病人:什么是牙齿结构上的缺陷呢?

  护士:那是指牙齿的硬组织发育不良或牙位拥挤,排列不齐,以及牙齿站的沟窝等生理缺陷。

  病人:如何预防龋齿病呢?

  护士:第一,注意口腔卫生非常重要。每日应刷牙两次,早晚各一次。先刷上牙,后刷下牙。要把牙缝里的残余食物都刷干净。除此之外,饭后要漱口。第二,少吃甜食,特别是儿童。不要在睡前或半夜醒来时吃可发酵的食物,如糖果、饼干等。第三,定期来这里检查,一年1-2次。在临床上能够观察到牙齿结构病变之前,显微镜下龋齿病的进展可能已持续了相当长的时期。一般龋洞不深时,无任何症状,所以应该早期填充以免龋洞扩大。第四,关于免疫防龋,激光防龋,使用防龋涂料等,现仍在试验阶段。第五,重要的是增进身体健康。

  病人:非常感谢您给我解答了这么多问题。


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