Abstract
Objectiv: The objective of the study was to observe the white spot caries activity and the indexes of oral hygiene (caries, dental biofilm and gingival bleeding), monitoring the response to treatment of active and inactive white spot lesions submitted to long term preventive and conservative treatment deadline. Method: This is a cross-sectional study based on the analysis of 331 patient records of a school in the municipality of Maceió-AL, from 2011 to 2015. Results: It was considered that 83.33% of the active white spots inactivated the revision in relation to the initial consultation; 13.85% of the inactive white spots diagnosed at the first consultation cavitated and the indicative indices of oral health decreased significantly. Conclusion:Thus, the results of this research are in line with the new guidelines of Dentistry and demonstrate that it is possible to prevent and treat a disease with simple and conservative actions.