Biofilm Formation on Natural Teeth and Dental Implants: What is the Difference?

Part of the Springer Series on Biofilms book series (BIOFILMS, volume 3)


Dental plaque is a milieu of microbes embedded within a polymeric layer of glycoproteins precipitated from the saliva onto tooth enamel, dental implants, cementum, and epithelium. This dental biofilm can extend below the gingival margin into the socket where the microorganisms are concealed from the bacteriostatic components in the saliva and the shearing forces exerted by chewing and normal brushing. Gingivitis and periodontal disease occurs when more virulent microbes colonize the subgingival pocket and evade eradication by the host defenses. A distinctive shift in microbial colonization is observed with the progression of disease highlighted by the expansion of gram negative and strictly anaerobic bacteria. Host response and inflammation meant to eliminate the microbial insult are counterproductive and generate a deeper pocket within the dental socket that permits the microbial access to the alveolar bone. Dental implants form another nidus for bacterial infection following surgery when the surface and socket are exposed to the oral environment. Dental implantation may be a direct consequence of periodontal disease; therefore the underlying microbial infection could threaten successful osseointegration of the implant if a microbial biofilm develops. Periodontal pockets and other oral niches, such as the mucosa and tonsils, are reservoirs for the microbial pathogens that initiate the inflammation of the marginal soft tissue around the dental implants that may lead to implant failure. Reduction in peri-implantitis rates are shown when patients delay implant surgery after tooth extraction and rigorous preoperative and postoperative antibiotic regiments as well as improved dental hygiene are incorporated into the post-operative treatment.


Dental Implant Periodontal Pocket Periodontal Pathogen Edentulous Patient Supragingival Plaque 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  1. 1.Endodontics, Prosthodontics and Operative Dentistry, Dental SchoolUniversity of Maryland-BaltimoreBaltimoreUSA
  2. 2.Department of Periodontics, Dental SchoolUniversity of Maryland-BaltimoreBaltimoreUSA
  3. 3.Department of Microbial PathogenesisUniversity of Maryland - Baltimore, Dental SchoolBaltimoreUSA

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