To facilitate treatment of patients with a pronounced gag reflex. Better tactile sensitivity during the cleaning and shaping

The main priority of rubber dam isolation was endodontic isolation against fluids and microorganisms in the oral cavity. Added to this, is the need to protect the patient against accidental aspiration or ingestion of small endodontic instruments. According to court ruling in many countries, such occurrences are considered avoidable, and can be attributed to negligence on the part of the dentist. An additional restorative application field requiring absolute dryness has come to be with the increased use of the acid etching technique. In view of the new diseases with potential for infection during dental treatment, the rubber dam gains added significance