罩牙本质以外的牙本质是（） ["前期牙本质","管周牙本质","球间牙本质","罩牙本质","髓周牙本质"] 罩牙本质以外的牙本质是（） ["前期牙本质","管周牙本质","球间牙本质","罩牙本质","髓周牙本质"] 罩牙本质以外的牙本质是（） ["前期牙本质","管周牙本质","球间牙本质","罩牙本质","髓周牙本质"] 靠近髓腔的一层未矿化的牙本质是（） ["前期牙本质","管周牙本质","球间牙本质","罩牙本质","髓周牙本质"] 有关皮肤鳞状细胞癌的叙述哪项正确（）。 ["早期不易出现溃疡","治疗以放、化疗为主，结合手术治疗","常继发于慢性溃疡和慢性窦道开口","不常伴有感染","不会浸润到骨髓"] 靠近髓腔的一层未矿化的牙本质是（）