J Korean Acad Prosthodont.  2008 Apr;46(2):116-124.

Detection of periodontal disease related bacteria from the implant-abutment interface in oral cavity

• Han MJ
• Chung CH
• Kim HJ
• Kook JK
• Yoo SY

Abstract

STATEMENT OF PROBLEM: Implant systems result in gaps and cavities between implant and abutment that can act as a trap for bacteria and thus possibly cause inflammatory reactions in the peri-implant soft tissues. PURPOSE: Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythia, Treponema denticola, and Aggregatibacter actinomycetemcomitans, related to implant-abutment interface microleakage. MATERIAL AND METHODS: Samples were taken from 27 subjects with sterilized paper points and were transported in 1XPBS. The detection of periodontopathogens were performed by polymerase chain reaction with species-specific primers based on 16S rDNA.
RESULTS
Our data showed that the detection rate of P. gingivalis and P. intermedia in implant fixture was 59% and 82% in patients respectively. Detection rate of P. gingivalis and P. intermedia in implant crevice was 44% and 82% in patients. Detection rate of P. gingivalis and P. intermedias in tongue was 82% and 82% in patients.
CONCLUSION
Current implant systems cannot safely prevent microbial leakage and bacterial colonization of the inner part of the implant.

Keyword

Implant-abutment interface; Periodontopathogens; Microbial leakage; Porphyromonas gingivalis

MeSH Terms

Bacteria
Colon
DNA, Ribosomal
Forsythia
Humans
Mouth
Periodontal Diseases
Polymerase Chain Reaction
Porphyromonas gingivalis
Prevotella intermedia
Tongue
Treponema denticola
DNA, Ribosomal