From:  Effectiveness of anti-inflammatory premedication on inferior alveolar nerve block success in acute irreversible pulpitis: a systematic review

 The review was conducted using the PICOS criteria.

PICO ElementDescription
Population (P)Individuals with irreversible pulpitis in mandibular molars
Intervention (I)AIT with NSAIDs, corticosteroids before treatment; truncular alveolar nerve anaesthesia
Comparison (C)Truncular anaesthesia of the alveolar nerve without the use of AIT compared with different types of AIT one hour before truncular anaesthesia
Outcome (O)Anaesthesia enhancement, improvement of pain control, reduction of anesthesia failure, reduction of pain intensity

AIT: anti-inflammatory therapy; NSAIDs: non-steroidal anti-inflammatory drugs.