Objective: Objective: To determine the relationship between the variation of salivary pH by the consumption of industrialized fruit juices and gingival health in children of the Educational Institution (I.E.) "Isabel La Católica". Material and Method: This is an observational, analytical, cross-sectional study. We evaluated 108 children of both sexes, aged 6 to 8 years. The samplewas divided into two groups, a study group that drank industrialized fruit juices and a control group that drank water. A basal salivary pH measurement was performed for both groups with a digital pH meter, and after drinking the industrialized fruit juice or water, it was measured again at intervals of 5 and 10 minutes. The gingival condition was evaluated by Löe Silness Gingival Index and PMA Index. Results: No correlation was found between the Löe Silness Gingival Index and the salivary pHin bothgroups, p&...