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Related Concept Videos

Development of the Oral Microbiota01:28

Development of the Oral Microbiota

The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
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The Oral Microbiota

The oral microbiome includes a complex ecosystem comprising over 700 microbial species, identified through genomic sequencing and culture-based analyses to date. This community includes a core microbiome, found universally among individuals, and a variable component influenced by environmental factors such as diet, lifestyle, and host genetics. Site-specific conditions, including oxygen gradients, pH levels, and nutrient availability, determine the spatial distribution of these microorganisms...
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Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...
Colonisation of Pathogens01:25

Colonisation of Pathogens

Pathogen colonization of host tissues is a critical step in the development of infectious diseases. Various pathogenic microorganisms, including bacteria, fungi, viruses, and protozoa, have evolved complex strategies to attach to, invade, and persist within host environments. These mechanisms enable pathogens to establish infections, evade immune responses, and resist antimicrobial treatments.Attachment to Host CellsIn bacteria, colonization typically begins with adherence to host epithelial...
Biofilms01:29

Biofilms

Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
Oral Cavity01:11

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The oral cavity, or the mouth, is a complex structure in humans that plays a vital role in our day-to-day lives. Its role is not only in chewing and swallowing food; it also plays a role in speech and facial expressions.
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Oral Biofilm Formation on Different Materials for Dental Implants
11:19

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Published on: June 24, 2018

Bacterial colonization immediately after installation on oral titanium implants.

Mirjam M Fürst1, Giovanni E Salvi, Niklaus P Lang

  • 1Department of Periodontology and Fixed Prosthodontics, School of Dental Medicine, University of Berne, Berne, Switzerland.

Clinical Oral Implants Research
|May 16, 2007
PubMed
Summary

Bacterial colonization begins within 30 minutes of dental implant placement. Early microbial patterns on implants differ significantly from adjacent tooth surfaces, highlighting distinct colonization dynamics.

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Area of Science:

  • Dental Implantology
  • Microbiology
  • Periodontology

Background:

  • Limited data exists on bacterial colonization immediately following dental implant insertion.
  • Understanding early microbial dynamics is crucial for implant success and peri-implant health.

Purpose of the Study:

  • To evaluate the initial bacterial colonization of titanium implants after placement.
  • To track microbial changes on implants over 12 weeks.
  • To compare microbial communities on implants versus adjacent teeth.

Main Methods:

  • Subgingival plaque samples collected from implants and teeth.
  • Samples analyzed using checkerboard DNA-DNA hybridization.
  • Sampling occurred pre-surgery, immediately post-surgery, and at 1, 2, 4, 8, and 12 weeks.

Main Results:

  • Bacterial colonization was evident within 30 minutes of implant placement.
  • Implant sites showed higher loads of specific bacteria like Porphyromonas gingivalis and Tannerella forsythia by week 12.
  • Tooth sites consistently harbored significantly higher bacterial loads compared to implant sites throughout the study period.

Conclusions:

  • Bacterial colonization initiates rapidly after dental implant placement.
  • Distinct microbial colonization patterns emerge on implant surfaces compared to natural teeth.
  • These early differences may influence long-term peri-implant tissue health.