Paudel, S.; Nagamoti, J. M.; Mishra, V. P.; Twanabasu, S.; Kusma, S. Detection of Oral Spirochete (Treponema Denticola) by Modified Fontana Staining Technique from Sub-Gingival Plaques of Patients Suffering from Periodontal Disease and to Analyse the Morphology of Spirochetes With Respect to the disease’s Status. Int J Sci Rep 2020, 6, 286-291.