González Acero, P., Tejerina Mairlot, M. C. ., & Rodríguez Fernández, S. . (2021). Periodontal maintenance with erythritol air polisher versus the use of ultrasound and gracey curettes in patients with brackets. European Journal of Health Research, 7(1), 1–8. https://doi.org/10.32457/ejhr.v7i1.1394