Objective: To research into the treatment of odontohyperesthesia with precipitation of apatite.
研究磷灰石析出法治疗牙本质过敏。
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All of this from body parts that are about 70% mineral, made of an inorganic material called hydroxyapatite that is stiff when compressed, combined with flexible protein called collagen to keep you from shattering.
所有这些身体部位大约 70% 是矿物质,由一种叫做羟基磷的无机材料制成,这种材料在压缩时是坚硬的,与一种叫做胶原蛋白的柔性蛋白质结合在一起,可以防止你粉碎。