生产纲领
上颌中切牙近中切角似() ["直角","锐角","钝角","斜角","圆角"]
形成于对外力的适应性反应。其内不含牙骨质细胞的是() ["无细胞无纤维牙骨质","无细胞外源性纤维牙骨质","有细胞固有纤维牙骨质","无细胞固有纤维牙骨质","有细胞混合性分层牙骨质"]
为无细胞外源性纤维牙骨质和有细胞固有纤维牙骨质不规则交替沉积而成。通常分布在根分歧区及根尖区的是() ["无细胞无纤维牙骨质","无细胞外源性纤维牙骨质","有细胞固有纤维牙骨质","无细胞固有纤维牙骨质","有细胞混合性分层牙骨质"]
空车质量
允许总质量