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REVIEW ARTICLE
Year : 2013  |  Volume : 2  |  Issue : 1  |  Page : 8-12

Esoteric communiqué amid microbes in an oral biofilm


Department of Periodontics and Oral Implantology, SGT Dental College, Hospital and Research Institute, Gurgaon, Haryana, India

Correspondence Address:
Shailly Luthra
Department of Periodontics and Oral Implantology, SGT Dental College, Hospital and Research Institute, Gurgaon, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2278-9626.106794

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Dental biofilms are complex and multispecies ecosystems, and its formation requires coordinated chemical signaling between different micro-organisms present in the oral cavity. During the initial stages of its formation, planktonic bacterial cells directly attach to surfaces of the oral cavity or indirectly bind to other bacterial cells. This binding occurs through co-aggregation, which is critical for the temporary retention of bacteria on dental surfaces as well as bacterial colonization. It is during this colonization that the micro-organisms are able to interact with each other. In general, interspecies interactions involve communication, typically via quorum sensing, and metabolic cooperation or competition. Interactions among species within a biofilm can be antagonistic, such as competition over nutrients and growth inhibition, or synergistic. In this review, we discuss these important interactions among oral bacteria within the dental biofilm communities and novel therapies that could inhibit pathogenic micro-organisms and disrupt biofilm.


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