Despite a plethora of in situ studies and clinical trials evaluating the efficacy of fluoridated dentifrices on caries control. in vitro pH cycling models are still broadly used because they mimic the dynamics of mineral loss and gain involved in caries formation. This paper critically reviews the current literature on existing pH-cycling models for the in vitro evaluation of the effi... https://www.chiggate.com/elliot-pecan-tree-sale/