For an undercut of 0.02, which clasp should be utilized?

The appropriate clasp for an undercut of 0.02 is the wrought wire clasp. This type of clasp is made from a flexible material, which allows it to adapt to the contours of the tooth while providing adequate retention. The characteristics of wrought wire make it particularly beneficial in situations where there is a minor undercut, as it can be engaged into the undercut without risking damage to the tooth or the clasp itself.

Wrought wire clasps can also provide a more gentle engagement, reducing the potential for discomfort and improving patient acceptance. This flexibility ensures that the clasp maintains its retentive capabilities without compromising the integrity of the surrounding soft and hard tissues.

Other clasps, such as cast clasps, are rigid and may not accommodate slight undercuts as effectively. Relieved clasps often involve selective engagement and may not provide adequate retention for minor undercuts. Retentive clasps might be too robust or rigid, which could lead to patient discomfort or improper fit in cases of such a slight undercut. Hence, for a situation with an undercut of 0.02, the wrought wire clasp is the most suitable choice due to its adaptability and overall functional benefits.