Final answer:
Prior to pulp testing, teeth should be cleaned and isolated to diagnose the health of the tooth's pulp to determine the appropriate treatment such as fillings or root canal.
Step-by-step explanation:
Prior to pulp testing, the teeth should be cleaned and isolated. Pulp testing is a diagnostic procedure used in dentistry to determine the health of the tooth's pulp, the innermost part of the tooth containing nerves and blood vessels. Detecting if the pulp is affected is essential in deciding whether treatments such as fillings or a root canal are necessary. The enamel, dentin, and cementum protect the pulp, which can become infected due to decay or injury, potentially leading to abscess formation if not treated promptly. Regular dental hygiene and treatment can prevent the progression of tooth decay and maintain oral health, thus reducing the need for more invasive procedures.