牙本質的樹脂黏著強度與下列那一項成正比?
牙本質小管的管徑(diameter of dentin tubule)
牙本質表面的乾燥度(dryness)
管間牙本質的區域(area of intertubular dentin)
牙本質小管的通透性(permeability of dentin tubule)