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http://purl.uniprot.org/citations/28906511http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/28906511http://www.w3.org/2000/01/rdf-schema#comment"

Purpose

To investigate whether polymorphisms of cluster of differentiation 14 (CD14), tumor necrosis factor alpha (TNFα), interleukin (IL)6, IL10, and IL1ra genes are associated with the risk of peri-implantitis susceptibility in patients with dental implants in the Serbian population.

Materials and methods

Isolated DNA from the blood was used for IL10-1082, TNFα-308, IL6-174, CD14-159, and interleukin 1 receptor antagonist (IL1ra) genotyping using polymerase chain reaction (PCR)-based methodology. Clinical parameters included: peri-implant pocket depth (PPD), Plaque Index (PI), Gingival Index (GI), bleeding on probing (BOP), and radiologic bone loss.

Results

The study included 98 patients with dental implants in function for at least 1 year, divided into peri-implantitis (34) and healthy peri-implant tissue (64) groups. The percentage distribution of smokers was significantly different between patients who developed peri-implantitis and patients with healthy peri-implant tissue (71% vs 42%, respectively) and associated with increased peri-implantitis risk (OR: 3.289, 95% CI: 1.352 to 8.001; P = .007). A positive history of periodontitis was more frequent in the peri-implantitis group (62%) than in the healthy peri-implant tissue (20%) group and associated with increased peri-implantitis risk (OR: 6.337, 95% CI: 2.522 to 15.927; P = .0001). Frequencies of CD14-159, TNFα-308, IL10-1082, and IL6-174 genotypes were significantly different between patients with and without peri-implantitis. However, logistic regression revealed only TNFα-308 polymorphic GA/AA genotypes (OR: 8.890, 95% CI: 2.15 to 36.7; P = .003) and smoking (OR: 6.2, 95% CI: 1.44 to 26.7; P = .014) as independent factors associated with increased peri-implantitis risk, while CD14-159 polymorphic CT/TT genotypes were associated with decreased risk for peri-implantitis (OR: 0.059, 95% CI: 0.009 to 0.355; P = .002).

Conclusion

The findings suggest that smoking and the presence of TNFα-308 GA/AA genotypes may increase the risk for peri-implantitis, while CD14-159 polymorphic CT/TT genotypes decrease the risk. The results also indicate significant association of CD14-159, TNFα-308, and IL6-174 genotypes and clinical parameters in the Serbian population. However, future studies in larger patient groups are necessary to confirm these observations."xsd:string
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http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/author"Magic Z."xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/author"Zeljic K."xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/author"Cikota-Aleksic B."xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/author"Petkovic-Curcin A."xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/author"Dakovic D."xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/author"Tatic Z."xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/date"2017"xsd:gYear
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/name"Int J Oral Maxillofac Implants"xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/pages"e241-e248"xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/title"Association of Cytokine Gene Polymorphism with Peri-implantitis Risk."xsd:string
http://purl.uniprot.org/citations/28906511http://purl.uniprot.org/core/volume"32"xsd:string
http://purl.uniprot.org/citations/28906511http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/28906511
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