Checking the effectiveness of anesthesia
Numbness
COLD
The effectiveness of LA was checked 20 min following IANB administration. Both subjective and objective indicators were identified. Numbness of the lower lip and tongue, indicating that the inferior alveolar nerve and tongue have been anesthetized [Objective testing using the EPT (Parkell D640 Digitest II Pulp Vitality Tester) at two successive intervals (2 min apart) and a thermal cold stimulus with a cotton pellet damped with Green Endo-Ice refrigerant; Coltene/Whalkedent Inc. OH, USA) for 5 s was confirmed [