Preemptive use of intravenous ibuprofen to reduce postoperative pain after lower third molar surgery: a systematic review of randomized controlled trials Pedro Urquiza Jayme Silva; Daniela Meneses-Santos; Walbert de Andrade Vieira; Juliana Cama Ramacciato; Ricardo Pedro da Silva; Marcelo Caetano Parreira da Silva; Sigmar de Mello Rode; Luiz Renato Paranhos;