国产氧化锆全瓷牙什么材料好不好

2025-03-04 22:07:48
推荐回答(5个)
回答(1):

普通的烤瓷牙在制作过程中,首先要铸造一个金属的基底,然后在金属表面进行烤瓷修饰,以达到模拟自然牙齿的形态与颜色。由于金属基底的存在,必须用不透明的材料将金属遮盖起来,这样烤瓷牙对光线的散射就不同于真牙,在强光直射的时候,烤瓷牙就会失去自然的色泽,显露出假牙比较死白的本色。如果去掉金属基底层,烤瓷牙的强度就会大大降低,很容易折断,因此普通烤瓷牙效果还是美中不足。 二氧化锆全瓷牙好不好? 1、具有最佳的美学效果:二氧化锆全瓷牙对光线通透性良好,与真牙接近,基底冠颜色更是牙白色,其折光率基本接近自然牙,能够拥有极佳的美学效果。而且二氧化锆全瓷牙镶入一段时间后不会出现变黑、变暗、发青等难题,解决了金属烤瓷冠最难解决的一个问题。 2、具有最佳精密度和边缘密合:二氧化锆全瓷牙的制作是通过电脑辅助设计而成,保证了模内冠的精确性和优良的边缘密闭性,使瓷牙与口内基牙非常贴合,大大降低了修复后牙根炎的发病率。 3、具有最佳生物相容性:二氧化锆是一种高科技生物材料,生物相容性好,不会造成牙龈的染色,对牙龈无刺激无过敏,对人体没有不良影响,很适合应用于口腔。 4、具有高密度和高强度:二氧化锆拥有独一无二的抗破裂性及破裂后强韧的固化性能,解决了传统烤瓷牙系统不能做长桥的问题。 二氧化锆全瓷牙虽然有很多优点,但是,其技术要求也很高,医生必须具备较高的临床水平才能将牙齿预备到合适的形态,全瓷牙修复体的粘结也需要特殊的材料,也就是说只有高水平的修复医生,才能很好地掌握技术。

回答(2):

氧化锆全瓷牙是全瓷牙的类型之一,强度相对较高,美学较为逼真、自然。氧化锆全瓷牙的费用相对较高,具有一定的脆性,患者需避免咀嚼硬质食物,注意清洁,定期随访,预防牙龈炎。与金属烤瓷牙相比,氧化锆全瓷牙不易引起龈边缘的黑线,不易致敏,具有良好的组织生物相容性。氧化锆全瓷牙不含金属离子,对头颅X光检查、CT检查、核磁共振检查的影像结果无明显影响,患者无需摘除牙套。

回答(3):

你好!
二氧化锆全瓷牙的使用寿命是会比一般的烤瓷牙的寿命要时间长。因为金属内冠的生物相溶性明显比瓷的生物相溶性低。二氧化锆全瓷烤瓷牙修复体在口腔内的适应性高于其他任何金属烤瓷牙。不用担心金属过敏等问题。金属过敏会造成牙龈肿胀、出血等现象;全瓷则基本没有发现敏感病例。并且全瓷很好的防止了牙龈变色,贱金属在口腔内氧化形成灰色氧化物,散在沉积到牙龈边缘,引起牙龈变灰,影响美观。

回答(4):

氧化锆全瓷牙具有完美的密合边缘不含金属避免有害物质吸入人体,并能有效地杜绝牙龈炎症现象。对x射线无任何阻挡等优点生物相容性优于各种金属内冠,在临床上可以得到持久的修复效果。但也有弊端不要吃过硬的食物防止崩瓷。

回答(5):

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