HOSA Dental Terminology Practice

How is a crown defined in dentistry?

1. A temporary restoration used during procedures

2. A fabricated, tooth-shaped cover replacement for a missing crown area

3. A device used to keep teeth aligned

4. A type of dental floss for cleaning

The correct answer is: A fabricated, tooth-shaped cover replacement for a missing crown area

In dentistry, a crown is defined as a fabricated, tooth-shaped cover that is placed over a tooth to restore its shape, size, strength, and appearance. This restoration is typically used when a tooth is severely damaged, has a large filling, or is experiencing decay that compromises its integrity. The crown provides a protective covering that allows the tooth to restore its function and aesthetic appearance. This definition emphasizes the purpose of a crown as a comprehensive solution to enhance and safeguard the affected tooth, making it a critical option in restorative dental procedures. The process of placing a crown involves reducing the original tooth's structure to accommodate the crown and then securing it in place. The crown can be made from various materials, including porcelain, ceramic, metal, or a combination, depending on the specific needs of the patient and the location of the tooth. The other options in the question refer to different dental concepts that do not align with the specific definition of a crown in the context of restorative dentistry. For example, a temporary restoration serves a different purpose, typically used for short-term while a permanent solution is being created. Additionally, devices to keep teeth aligned would relate to orthodontics, and dental floss is specifically for oral hygiene, not tooth reconstruction. Thus, the focus on the