REFERENCES
- Akpata, ES, Akinrimisi, EO (1977): Antibacterial activity of extracts from some African chewing sticks. Oral Surg Oral Med Oral Pathol 44: 720–721.
- Anhalt, JP, Washington II, JA (1985): Antimicrobial suscep-tibility tests of aerobic and facultatively anaerobic bacteria. In: Washington JA, ed., Laboratory Procedures in Clinical Microbiology, 2nd Edition: New-York, Heidel-berg, Berlin and Tokyo, Springer-Verlag pp. 281–305.
- Elvin-Lewis M (1980): Plants and dental health: Introduction. J Prey Dent 6: 59–60.
- Hodges, NA (1988): Pharmaceutical applications of micro-biological techniques. In: Aulton ME, ed., Pharmaceutics, The Science of Dosage Form and Design, Edinburgh, London, Melbourne, New York, Livingstone Churchill; pp493–497.
- Holk AM, Larsen T, Schwensen K, Manji F (1986): The use of Mswaki for plaque removal in a group of Kenyan school children in a rural area. Tandlaegebladet 90: 361–364.
- Homer, KA, Manji, F, Beighton, D (1990): Inhibition of pro-tease activities of periodontopathic bacteria by extracts of plants used in Kenya as chewing sticks [Mswakil. Arch Oral Biol 35: 421–424.
- Homer KA, Manji F, Beighton D (1992): Inhibition of pep-tidase and glycosidase activities of Porphyromonas gin-givalis, Bacteroides intermedius and Treponema denticola by plant extracts. J Clin Periodontol 19: 305–310.
- Jenkins WI\4, MacFarlane TW, Gilmour WH, Ramsay I et al. (1989): Systemic metronidazole treatment of periodon-titis. J Clin Periodontol 16: 443–50.
- Kornman KS (1990): Topical antimicrobial agents: Individ-ual drugs. In: Newman MG, Kornman KS, eds, "Anti-biotic/Antimicrobial Use in Dental Practice", Chicago, Illinois, Quintessence Publishing Co, Inc: pp. 98–109.
- Lewis WH (1980): Plants used as chewing sticks. J Prey Dent 6: 71–73.
- Lewis WH, Elvin-Lewis MPF (1977): Medical Botany. Plants Affecting Man's Health. New York, London, Syd-ney, Toronto, John Wiley & Sons; pp. 226–245.
- Marsh P, Martin M (1992): Oral Microbiology, 3rd Edn., London, Chapman and Hall; pp. 131–136.
- Mumghamba EG, Markkanen HA, Honkala E (1995): Risk factors for periodontal diseases in Ilala, Tanzania. J Clin Periodontol 22: 347–354.
- Nyvad, B, Killian, M (1990): Microflora associated with experimental root surface caries in humans. Infect Immun 58: 1628–1633.
- Odebiyi 00, Sofowora EA (1979): Antimicrobial alkaloids of a Nigerian chewing stick [Fagara zanthoxyloides]. Planta Med 36: 204–207.
- Olsson B (1978): Efficiency of traditional chewing sticks in oral hygiene programs among Ethiopian schoolchildren. Commun Dent Oral Epidem 6: 105.
- Parajas, IL (1987): The effectiveness and acceptability of indigenous toothbrush materials among school children in Aguinaldo, Cavite. Trop Dent J 10: 115–118.
- Rios JL, Recio MC, Villar A (1988): Screening methods for natural products with antimicrobial activity: A review of the literature. J Ethnopharmacol 23: 127–144.
- Shu, M (1998): Study of dental caries in an artificial mouth. N Z Dent J 94: 62–64.
- Sofowora A (1982): Medicinal Plants and Traditional Medi-cine in Africa. Chichester, New York, Brisbane, Toronto, Singapore, John Wiley and Sons Ltd: pp. 117–119.
- Sote EO, Wilson M (1995): In vitro antibacterial effects of extracts of Nigerian tooth-cleaning sticks on periodonto-pathic bacteria. Afr Dent J 9: 15–19.
- Stander I, van Wyk CW (1991): Toothbrushing with the root of Euclea natalensis. J Biol Buccale 19: 167–172.
- Tanira MOM, Bashir AK, Dib R, Goodwin CS, Wasfi IA, Banna NR (1994): Antimicrobial and phytochemical screening of medicinal plants of the United Arab Emi-rates. J Ethnopharmacol 41: 201–205.
- van Oosten MA, Mikx FH, Rengli HH (1987): Microbial and clinical measurement of periodontal pockets during sequential periods of non-treatment, mechanical debride-ment and metronidazole therapy. J Clin Periodontol 14: 197–204.
- van Palenstein Helderman WH, Munck L, Mushendwa S, Mrema FG (1992): Cleaning effectiveness of chewing sticks among Tanzanian schoolchildren. J Clin Periodonto119: 460'163.