REFERENCES
- Marsh P, Martin M. Oral Microbiology, 4th edn. Oxford: Wright, 1999.
- Hartley G, El-Maaytah M, McKenzie C, Greenman J. The tongue microbiota of low odorous and malodorous individuals. Microb Ecol Health Dis 1996; 9: 215–23.
- Hartley G, McKenzie C, Greenman J, El-Maaytah MA, Scully C, Porter S. Tongue microbiota and malodour, effects of metronizadole mouthrinse on tongue microbiota and breath odour. Microb Ecol Health Dis 1999; 11: 226–33.
- Persson S, Edlund M-B, Claesson R, Carlsson J. The formation of hydrogen sulfide and methyl meracaptan by oral bacteria. Oral Microbiol Immunol 1990; 5: 195–201.
- Schmidt NF, Missan S, Tarbet WJ, Cooper AD. The correla-tion between organoleptic mouth-odour ratings and levels of volatile sulphur compounds. Oral Surg 1978; 45: 560–7.
- De Boever EH, Loesche WJ. Assessing the contribution of anaerobic microflora of the tongue to oral malodour. J Am Dent Assoc 1995; 126: 1384–93.
- Kleinberg I, Westbay G. Oral malodour. Crit Rev Oral Biol Med 1990; 1: 247–59.
- Sterer N, Rosenberg M. Effect of deglycosylation of salivary glycoproteins on oral malodour production. Int Dent J 2002; 52: 229–33.
- McNamara TF, Alexander JF, Lee M. The role of microorgan-isms in the production of oral malodour. Oral Surg 1972; 34: 41–8.
- Kleinberg I, Westbay G. Salivary and metabolic factors involved in oral malodour formation. J Periodontol 1992; 63: 768–75.
- Verran J, Doran AL, Smith C. Denture stomatitis, oral malodour and oral biofilm ecology. In: Gilbert P, Alison D, Brading M, Verran J, Walker J, eds. Biofilm Community Interactions: Chance or Necessity. Cardiff: BioLine, 2001: 131–40.
- Marsh PD, Bradshaw DJ. Physiological approaches to the control of oral biofilms. Adv Dent Res 1997; 11: 176–85.
- Sookkhee S, Chulasiri M, Prachyabrued W Lactic acid bacteria from healthy oral cavity of Thai volunteers: inhibition of oral pathogens. J Appl Microbiol 2001; 90: 172–9.
- Tagg JR, Dajani AS, Wannamaker LW. Bacteriocins of gram-positive bacteria. Bacteriological Reviews 1976; 40: 722–56.
- Clarke S. Lactic acid bacteria and human health. Biomedical Scientist 1996; April: 175–6.
- Jinhua D, Yixiu G, Moore JE, Zhikun Z, Zongda M, Murphy PG. The inhibitory activity of Streptococcus viridans on several pathogens of the respiratory and gastrointestinal tracts and central nervous system. Microb Ecol Health Dis 2002; 14: 1–3.
- Kneist S, Bergholz T, Stosser L. Acid production by human strains of mutans streptococci. Caries Res 1999; 33: 290.
- Kneist S, Scharff S, de Soet JJ, van Loveren C, Stosser L. Bacteriocin production by human strains of mutans and oral streptococci. Caries Res 2000; 34: 308.
- Keele BB Jr, Reeves MS, Navia JM. An improved medium differentiating acidogenic bacteria. J Dent Res 1973; 52: 1054–5.
- Handleman SL, Mills JR, Meggo L. A medium for differ-entiating acidogenic bacteria. Arch Oral Biol 1968; 13: 1187–96.
- Beighton D, Hardie JM, Whiley RA. A scheme for the identification of viridans streptococci. J Med Microbiol 1991; 35: 367–72.
- Eschenbach DA, Davick PR, William BL, Klebanoff SJ, Young-Smith K, Critchlow CM, Holmes KK. Prevalence of hydrogen peroxide-producing Lactobacillus species in normal women and women with bacterial vaginosis. J Clin Microbiol 1989; 27: 251–6.
- Kekessy DA, Piguet JD. New method for detecting bacteriocin production. J Appl Microbiol 1970; 20: 282–3.
- LeBien WT, Bromel MC. Antibacterial properties of a perox-idogenic strain of Streptococcus mitior (mitis). Can J Microbiol 1975; 21: 101–3.
- Holmberg K, Hallander HO. Production of bactericidal concentrations of hydrogen peroxide by Streptococcus sanguis. Arch Oral Biol 1973; 18: 423–34.