During mandibular anterior isolation, which teeth should be exposed?

The correct choice focuses on isolating the area from cuspid to cuspid, which is crucial when performing procedures on the mandibular anterior teeth. This range of isolation includes the canines, which are essential in maintaining stability and functionality during dental work.

Isolating from cuspid to cuspid ensures that you are covering both of the canine teeth, which are significant for occlusion and provide structural support to the arch. This isolation helps in managing moisture effectively during procedures such as restorations or extractions in the anterior region, thereby allowing for better visibility and access while minimizing saliva contamination.

The other options do not encompass the necessary teeth to effectively control the moisture during mandibular anterior procedures. Incisor to incisor would not include the important canines, and molars, being further back in the mouth, are irrelevant for anterior isolation. Canine to canine is similar to the correct choice, but specifically stating from cuspid to cuspid clearly articulates the importance of those specific teeth when considering isolation methods.