硬牙质

【医】 vitreodentin

硬的英语翻译：

firm; forcedly; forcibly; good; hard; rigidity; stiff; strong; tough
【医】 pachy-; scirrho-

牙质的英语翻译：

【医】 dental tissue; dentin; dentine; dentinum; ebur dentis
intertubular substance; ivory; ivory membranes; membrana eboris
strata eboris; substantia eburnea