Journal
ANTIBIOTICS-BASEL
Volume 10, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/antibiotics10040452
Keywords
dental implants; peri-implantitis; metabolic syndrome; real-time PCR; microbiologic contamination
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This case-control study aimed to evaluate the influence of metabolic syndrome (Mets) on peri-implantitis by analyzing oral pathogens' concentrations in the peri-implant sulcus of patients. The study found significantly higher bacterial counts for certain species in Mets patients compared to healthy subjects, but no statistically significant differences were found when considering peri-implant status and dividing patients by Mets diagnosis.
There is a lack of knowledge on the possible influence of systemic conditions on peri-implantitis. The aim of this case-control study is to evaluate the difference in terms of oral pathogens' concentrations in the peri-implant sulcus of a group of patients affected by metabolic syndrome (Mets) compared to healthy subjects. For each patient, peri-implant sulcular biofilm samples were obtained by inserting two sterile endodontic paper points in the deepest aspect of the peri-implant sulcus for 30 s. The quantitative real-time polymerase chain reaction was performed to evaluate total bacterial counts of six pathogens. Patients were screened for peri-implant diseases and clinical and radiographic parameters were recorded. A total of 50 patients was enrolled in the study, 25 affected by Mets and 25 healthy. Significantly higher bacterial counts were discovered for Aggregatibacter actinomycetemcomitans (p = 0.0008), Prevotella intermedia (p = 0.0477) and Staphylococcus aureus (p = 0.034) in MetS patients compared to healthy subjects. Performing a sub-group analysis, considering peri-implant status and dividing patients by MetS diagnosis, no statistically significant (p < 0.05) differences were found. For the first time, a correlation between MetS presence and a greater prevalence of some bacterial species in the peri-implant sulcus was reported, irrespectively from peri-implant status (health vs. disease).
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