Final answer:
The two types of facial surfaces of a tooth are the crown and the root.
Step-by-step explanation:
The two types of FACIAL surfaces of a tooth are the crown and the root.
The crown is the visible part of the tooth that projects above the gum line. It is covered with a layer of hard enamel, which is the hardest substance in the body.
The root is embedded within the maxilla and mandible. It contains the root canal, which is part of the pulp cavity that runs through the root of the tooth.