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补牙为什么还要钻牙呢?

  补牙是不需要钻牙的,直接把龋洞补好即可的。但在临床治疗中,还是有不少患者需要钻牙的,这大多与患者的龋坏程度相关的。补牙为什么还要钻牙呢?以下我们就来一起了解下其主要原因吧。
通常补牙时钻牙的目的有两个,一是除去龋坏的牙体组织,否则龋坏会继续发展,而且不去除龋坏腐质直接充填补牙材料,在松软的腐质上也容易脱落;二是将已去净龋坏的窝洞修整成一定的洞型,使补牙材料能牢固的固位,并能承受一定的咀嚼压力而不松动、不脱落、不劈裂。
由于科技的发达,现在门诊使用牙钻的钻速很快,每分钟可达数十万转,并有喷水降温,减少了刺激,也减少了疼痛。浅的龋洞在钻牙时不会有痛感。中等深度的龋洞在钻牙时会有轻度的酸痛不适感,这时患者应采取积极合作的态度,使浅龋和中龋能够一次治疗完成,并能得到较好的治疗效果,补好的牙齿,依然非常好用。
而对急性牙髓炎患者,医生会采取麻醉措施,钻牙时患者就不会感觉到疼痛。至于根尖炎患者,由于牙髓神经已经坏死,钻牙时不会有痛感,而且若根尖炎化脓时,打开髓腔会产生如释重负的感觉,原先的疼痛会减轻。因此,当医生给你治疗需要钻牙时,要消除顾虑和紧张情绪,积极配合,才能达到又快又好的治疗效果。

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