Extraoral approach of infraorbital nerve block for inferior partial maxillectomy as an adjunct to general anaesthesia

•Extra oral approach of infra orbital nerve block for inferior partial maxillectomy.•Oral malignancy surgeries produce bleeding and hemodynamic instability due to surgical stress and catecholamine surge.•Head and neck nerve blocks are rare in oncosurgeries.•Infra orbital nerve block can effectively provide pain relief in selected oncosurgical cases with general anaesthesia.