Violation
To avoid injury to the gingival tissue, how should the rubber cup stroke be directed?
Away from the gingival tissue
Toward the gingival tissue
Parallel to the gingival tissue
In circular strokes
To avoid injury to the gingival tissue, how should the rubber cup stroke be directed?
Away from the gingival tissue
Toward the gingival tissue
Parallel to the gingival tissue
In circular strokes