What part of the clamp extends through the dental dam?

The correct answer is the bow. In dental procedures that utilize a dental dam, the bow of the clamp is the portion that extends through the dam itself. This part is typically rounded and designed to facilitate the placement and stability of the clamp, ensuring it remains securely in position while providing an effective barrier against moisture during the procedure.

The bow's function is essential, as it allows the clamp to be anchored properly to the tooth while maintaining a secure fit within the dental dam. This is crucial for preventing saliva and other fluids from contaminating the working area, which can interfere with dental treatments.

Other parts of the clamp, such as the wings, jaws, and arms, play different roles. The wings help to stabilize the clamp on the tooth and can assist in retention, while the jaws are the parts that actually grip the tooth. The arms connect these components and contribute to the overall structure, but they do not extend through the dental dam. Understanding these functions helps clarify the important role of each component in ensuring effective moisture control during dental procedures.