Which condition listed is of greatest concern to the operator when preparing a class V restoration?

Question

Quizplus · Accepted Answer

One of the most important considerations for the dentist when restoring a class V lesion is the proximity of the gingiva to the lesion.It is very important to retract the gingiva away from the lesion and keep the area clean and dry.
The size of the lesion and amount of decay can affect the health of the pulp tissue.
The location of the lesion dictates the material that will be used.
The dentist can elect to use a gingival retraction cord while placing a class V restoration.

Which Condition Listed Is of Greatest Concern to the Operator