Dry socket after extraction, especially of lower third molars, remains one of the most painful post-surgical complications. But years of research have given us a clear answer on how to prevent it. 2012 Cochrane Review: 21 trials, 2,500 participants Chlorhexidine mouthrinses (0.12% & 0.2%) used before and 24 hours after extraction significantly reduce the risk of dry socket. 2017–2020 Meta-analyses: Multiple studies confirm that chlorhexidine gel is the most evidence-based preventive approach for