calcium phosphate calculus 磷酸钙结石
Calcium carbonate calculus 碳酸钙结石
calcium oxalate calculus 草酸钙结石
calcium bilirubin calculus 胆红素结石
calcium bilirubinate calculus 胆红素结石
renal calcium oxalate calculus 草酸钙肾石
Calcium phosphate monohydrate calculus 一水化磷酸钙结石
Calcium oxalate and hydroxyapatite calculus 释义草酸钙与草酸氢钙结石
Calculus - If left alone long enough, plaque begins to mineralize and harden into calculus or tartar because the plaque absorbs calcium, phosphorus and other minerals from saliva.
牙结石—如果菌斑呆的时间足够长，它就开始矿化变硬形成牙石或牙垢，因为菌斑从唾液中吸收了钙，磷和其他矿物质。
The calculus components are mostly calcium oxalate.
结石成分以草酸钙为主。
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