HOSA Dental Terminology Practice

What does a Tofflemire retainer do in dental treatment?

1. It holds the stainless steel matrix together

2. It carves or recreates tooth anatomy

3. It removes decay

4. It packs amalgam into cavity preparations

The correct answer is: It holds the stainless steel matrix together

A Tofflemire retainer is primarily designed to hold a dental matrix band in place, which is essential during restorative dental procedures, particularly when placing amalgam or composite fillings. The matrix band creates the proper shape and contour for the restorative material, ensuring that the filling resembles the original anatomical structure of the tooth. By securing the matrix band tightly around the tooth, the Tofflemire retainer allows the dentist to achieve a tight seal, preventing leakage of the filling material and promoting better outcomes in filling applications. The other options, while related to dental procedures, do not accurately describe the function of the Tofflemire retainer. It does not carve or recreate tooth anatomy, remove decay, or pack amalgam; instead, it serves as a supportive device during the placement of fillings. Thus, understanding the role of the Tofflemire retainer in holding the matrix band illustrates its importance in achieving successful restorative dentistry.