Efficacy of probiotics in the management of halitosis: a systematic review and meta-analysis.
Nengwen HuangJinjin LiXianghe QiaoYongzhi WuYunkun LiuChenzhou WuLongjiang LiPublished in: BMJ open (2022)
) may relieve halitosis in the short term (≤4 weeks). The results of the biased assessment, limited data and heterogeneity of the clinical trials included might reduce the reliability of the conclusions.