Kapoor, Priyanka Effect of orthodontic forces on levels of enzymes in gingival crevicular fluid (GCF): A systematic review. [electronic resource] - Dental press journal of orthodontics May 2019 - 40.e1-40.e22 p. digital Publication Type: Journal Article; Systematic Review ISSN: 2177-6709 Standard No.: 10.1590/2177-6709.24.2.40.e1-22.onl doi Subjects--Topical Terms: Gingival Crevicular FluidPressureStress, MechanicalTooth Movement Techniques