• Package of 52 pcs A sheet of elastomeric material made of natural rubber that is punched with holes and placed over the teeth during dental procedures. It can have a variety of functions such as: 1) to isolate the field of operation from the rest of the oral cavity; 2) to eliminate saliva; 3) to prevent the patient swallowing liquid/dental material; 4) to protect soft tissue from harmful solutions; and 5) to reduce risk of infection. this is a single-use device.