Dental Assistant Practice Exam

What is the definition of an abutment in dental terms?

1. A tooth, root, or implant used for support and retention

2. Artificial tooth in a bridge

3. Prosthetic teeth attached to natural teeth

4. Complete removal of vital pulp from a tooth

The correct answer is: A tooth, root, or implant used for support and retention

The definition of an abutment in dental terminology refers specifically to a tooth, root, or implant that is utilized for support and retention in various dental prosthetic procedures. Abutments serve as the anchoring points for dental constructions such as bridges or dentures. In the context of a dental bridge, for example, the abutment teeth are the ones to which the bridge is anchored, providing stability and functional support. This support is essential for ensuring that the prosthesis remains securely in place during normal activities such as chewing and speaking. Understanding the role of an abutment is crucial for dental professionals as it directly impacts the design and longevity of dental restorations. Proper assessment of the abutment's health and stability is vital, as it influences the success of the treatment. Other options refer to related concepts in dentistry but do not define what an abutment is. An artificial tooth in a bridge, for instance, is referred to as a pontic, while the complete removal of vital pulp describes a root canal treatment rather than the concept of an abutment itself.