National Dental Assisting Examining Board (NDAEB) Practice Exam

What is the term for an agent that holds two things together in dentistry?

1. Adhesive

2. Bonding agent

3. Luting agent

4. Sealant

The correct answer is: Luting agent

The term that refers to an agent that holds two things together in dentistry is "luting agent." Luting agents are primarily used to bond indirect restorations, such as crowns, bridges, and inlays, to the tooth structure. They create a durable bond between the restoration and the tooth, ensuring stability and longevity of the dental work. Luting agents are typically made from materials that possess strong adhesive properties and are designed to fill any microscopic gaps between the restoration and the tooth surface, which helps to prevent microleakage and potential decay. They often include resins or glass ionomers that harden when set, providing a secure attachment. Other agents mentioned in the choices serve different functions. Adhesives generally refer to materials that bond two surfaces together, whereas bonding agents are often specific to creating a bond between tooth enamel or dentin and restorative materials. Sealants are used to protect teeth from decay by sealing the grooves and pits in the tooth surface, rather than holding two structures together. Each of these has a specific role in dental practice, but in the context of holding two things together, the luting agent is the most appropriate term.