HESI General Chairside Assisting Practice Exam 2025 – Complete Study Resource

Cementing a crown involves the use of dental cement to secure a crown in place over a prepared tooth. This procedure is crucial because it ensures that the crown remains stable, restoring the tooth's function and appearance while providing protection. The dental cement used is specifically formulated to bond the crown to the tooth structure, which is essential for the longevity and effectiveness of the restoration.

In contrast, filling a cavity refers to the use of restorative materials such as composite resin or amalgam to treat decay, which does not involve cement. Applying a sealant is focused on protecting the occlusal surfaces of teeth to prevent decay and also does not utilize dental cement. Extracting a tooth is a surgical procedure that completely removes the tooth from its socket and does not involve the use of cement at all. Therefore, cementing a crown stands out as the procedure where dental cement plays a vital role.