Objective : to prevent enamel opaque spot after orthodontic etching 目的:预防口腔固定正畸酸蚀牙釉白斑的发生。
2.
The odontogenic keratocyst ( okc ) is classified as a developmental cyst that derived from the enamel organ or the dental lamina 摘要齿源性角化囊肿乃起源于牙釉器官或是牙板的发育性囊肿。