The effect of anti-calculus oral spray on oral hygiene status of gingivitis patients: A 6 weeks observational study. International Journal of Biomedical and Advance Research, [S. l.], v. 9, n. 10, p. 358–361, 2018. DOI: 10.7439/ijbar.v9i10.4896. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/4896. Acesso em: 7 jan. 2026.