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Article: IL-1 gene polymorphism and smoking as risk factors for peri-implant bone loss in a well-maintained population

TitleIL-1 gene polymorphism and smoking as risk factors for peri-implant bone loss in a well-maintained population
Authors
KeywordsBleeding on probing
IL-1 gene polymorphism
Implant failure
Peri-implant infection
Radiographic bone loss
Smoking
Issue Date2003
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
Citation
Clinical Oral Implants Research, 2003, v. 14 n. 1, p. 10-17 How to Cite?
AbstractThe aim of the present study was (i) to investigate the relation between specific interleukin-1 (IL-1) gene polymorphisms and peri-implant bone loss at osseointegrated ITI® dental implants and (ii) to explore the association between these allelic variants of the IL-1 gene complex and peri-implant mucosal inflammation, in both smoking and non-smoking individuals. A sample of 90 consecutive Caucasian patients (aged 33-88 years), treated with at least one ITI-implant participated in this retrospective investigation. Standardized periapical radiographs were taken after prosthetic rehabilitation (133.6 days, SD 136.9 days) and at the time of the re-examination, on average 5.6 years (SD 2.5 years) thereafter. The radiographs were analyzed by a calibrated examiner for changes in peri-implant bone levels. The examiner was blind with respect to clinical parameters and IL-1 status. The distance between the implant shoulder and the first visible bone-implant contact (DIB) at the respective time points were measured using a computerized method. The absolute bone level difference during the years of service (ABL) and the annual bone loss (ΔBL/year) were calculated for all the implants. Percentages of full mouth bleeding on probing (BOP), as well as of BOP calculated separately for teeth and implants, were determined for all visits and averaged for the entire observation period. Out of the total patient sample, there were 14 heavy smokers (= 20 cigarettes/day), 14 moderate smokers (5-19 cigarettes/day), 23 previous smokers (smoking cessation > 5 years) and 39 non-smokers. Twenty-eight (31.11%) patients were IL-1 genotype positive. Upon stratification for smoking status, significant differences were found for the variables ABL (P < 0.04, U-test) and ΔBL/year (P < 0.04, U-test) between non-smokers and heavy smokers for the IL-1 genotype positive group but not for the IL-1 genotype negative group. Moreover, significant differences in ABL (P < 0.04, U-test) and ΔBL/year (P < 0.04, U-test) were identified between former smokers and heavy smokers for the IL-1 genotype positive group. The differences in inflammatory parameters (BOP) did not reach statistical significance. This study suggests that in heavy cigarette smokers, carriage of a functionally significant IL-1 gene complex polymorphism is associated with an increased risk for peri-implant bone loss following prosthetic reconstruction and during the supportive periodontal care phase of the treatment.
Persistent Identifierhttp://hdl.handle.net/10722/154236
ISSN
2023 Impact Factor: 4.8
2023 SCImago Journal Rankings: 1.865
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorFeloutzis, Aen_US
dc.contributor.authorLang, NPen_US
dc.contributor.authorTonetti, MSen_US
dc.contributor.authorBürgin, Wen_US
dc.contributor.authorBrägger, Uen_US
dc.contributor.authorBuser, Den_US
dc.contributor.authorDuff, GWen_US
dc.contributor.authorKornman, KSen_US
dc.date.accessioned2012-08-08T08:24:06Z-
dc.date.available2012-08-08T08:24:06Z-
dc.date.issued2003en_US
dc.identifier.citationClinical Oral Implants Research, 2003, v. 14 n. 1, p. 10-17en_US
dc.identifier.issn0905-7161en_US
dc.identifier.urihttp://hdl.handle.net/10722/154236-
dc.description.abstractThe aim of the present study was (i) to investigate the relation between specific interleukin-1 (IL-1) gene polymorphisms and peri-implant bone loss at osseointegrated ITI® dental implants and (ii) to explore the association between these allelic variants of the IL-1 gene complex and peri-implant mucosal inflammation, in both smoking and non-smoking individuals. A sample of 90 consecutive Caucasian patients (aged 33-88 years), treated with at least one ITI-implant participated in this retrospective investigation. Standardized periapical radiographs were taken after prosthetic rehabilitation (133.6 days, SD 136.9 days) and at the time of the re-examination, on average 5.6 years (SD 2.5 years) thereafter. The radiographs were analyzed by a calibrated examiner for changes in peri-implant bone levels. The examiner was blind with respect to clinical parameters and IL-1 status. The distance between the implant shoulder and the first visible bone-implant contact (DIB) at the respective time points were measured using a computerized method. The absolute bone level difference during the years of service (ABL) and the annual bone loss (ΔBL/year) were calculated for all the implants. Percentages of full mouth bleeding on probing (BOP), as well as of BOP calculated separately for teeth and implants, were determined for all visits and averaged for the entire observation period. Out of the total patient sample, there were 14 heavy smokers (= 20 cigarettes/day), 14 moderate smokers (5-19 cigarettes/day), 23 previous smokers (smoking cessation > 5 years) and 39 non-smokers. Twenty-eight (31.11%) patients were IL-1 genotype positive. Upon stratification for smoking status, significant differences were found for the variables ABL (P < 0.04, U-test) and ΔBL/year (P < 0.04, U-test) between non-smokers and heavy smokers for the IL-1 genotype positive group but not for the IL-1 genotype negative group. Moreover, significant differences in ABL (P < 0.04, U-test) and ΔBL/year (P < 0.04, U-test) were identified between former smokers and heavy smokers for the IL-1 genotype positive group. The differences in inflammatory parameters (BOP) did not reach statistical significance. This study suggests that in heavy cigarette smokers, carriage of a functionally significant IL-1 gene complex polymorphism is associated with an increased risk for peri-implant bone loss following prosthetic reconstruction and during the supportive periodontal care phase of the treatment.en_US
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLRen_US
dc.relation.ispartofClinical Oral Implants Researchen_US
dc.subjectBleeding on probing-
dc.subjectIL-1 gene polymorphism-
dc.subjectImplant failure-
dc.subjectPeri-implant infection-
dc.subjectRadiographic bone loss-
dc.subjectSmoking-
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAged, 80 And Overen_US
dc.subject.meshAllelesen_US
dc.subject.meshAlveolar Bone Loss - Etiology - Radiographyen_US
dc.subject.meshAlveolar Process - Radiographyen_US
dc.subject.meshChi-Square Distributionen_US
dc.subject.meshCohort Studiesen_US
dc.subject.meshDental Implantsen_US
dc.subject.meshFollow-Up Studiesen_US
dc.subject.meshGenetic Variation - Geneticsen_US
dc.subject.meshGenotypeen_US
dc.subject.meshHumansen_US
dc.subject.meshInterleukin-1 - Geneticsen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshOsseointegrationen_US
dc.subject.meshPeriodontal Indexen_US
dc.subject.meshPolymorphism, Genetic - Geneticsen_US
dc.subject.meshRadiography, Bitewingen_US
dc.subject.meshRetrospective Studiesen_US
dc.subject.meshRisk Factorsen_US
dc.subject.meshSingle-Blind Methoden_US
dc.subject.meshSmoking - Adverse Effectsen_US
dc.subject.meshStatistics, Nonparametricen_US
dc.titleIL-1 gene polymorphism and smoking as risk factors for peri-implant bone loss in a well-maintained populationen_US
dc.typeArticleen_US
dc.identifier.emailLang, NP:nplang@hkucc.hku.hken_US
dc.identifier.authorityLang, NP=rp00031en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1034/j.1600-0501.2003.140102.xen_US
dc.identifier.pmid12562360-
dc.identifier.scopuseid_2-s2.0-0037947002en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037947002&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume14en_US
dc.identifier.issue1en_US
dc.identifier.spage10en_US
dc.identifier.epage17en_US
dc.identifier.isiWOS:000181059900002-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridFeloutzis, A=6508158601en_US
dc.identifier.scopusauthoridLang, NP=7201577367en_US
dc.identifier.scopusauthoridTonetti, MS=35602248900en_US
dc.identifier.scopusauthoridBürgin, W=7003413848en_US
dc.identifier.scopusauthoridBrägger, U=7005538598en_US
dc.identifier.scopusauthoridBuser, D=7006034952en_US
dc.identifier.scopusauthoridDuff, GW=7102716601en_US
dc.identifier.scopusauthoridKornman, KS=7006305731en_US
dc.identifier.issnl0905-7161-

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