Final answer:
The crown is the visible portion of the tooth in the mouth.
Step-by-step explanation:
The portion of the tooth that is visible in the mouth is known as the crown of the tooth. The crown is the part of the tooth projecting above the gum line. It is covered with outer layer of enamel, which is the hardest substance in the body, and underneath the enamel is a layer of dentin. The portion of the tooth that is visible in the mouth is known as the crown of the tooth. The crown is the part of the tooth projecting above the gum line, crucial for biting and chewing. It is protected by a layer of enamel, the hardest material in the human body. The crown encompasses a layer of dentin and also contains the upper part of the pulp cavity. The crown functions in various ways depending on the type of tooth; for instance, the cuspids, or canines, are pointed teeth used for tearing and shredding food.