The Effect of Smoking on Peri-implantitis
Evaluation of the Role of Smoking in the Peri-implantitis Pathogenesis
1 other identifier
observational
96
2 countries
2
Brief Summary
the primary aim of this project is to evaluate the microbiological and inflammatory effect of smoking status and smoking severity on periimplantitis lesions. The secondary aim is to compare the effect of smoking on periimplantitis and periodontal microbiota and inflammation in the same individuals. There will include 96 patients, equally divided into four groups: Smokers with peri-implantitis (n=24), non-smoker individuals with peri-implantitis (n=24), smokers with healthy peri-implant tissues (n=24), non-smoker individuals with healthy peri-implant tissues (n=24). Microbiological and biochemical analyses will be performed on the samples taken.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for all trials
Started Nov 2023
Typical duration for all trials
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
October 17, 2023
CompletedStudy Start
First participant enrolled
November 21, 2023
CompletedFirst Posted
Study publicly available on registry
November 29, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 1, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
December 21, 2026
ExpectedJuly 20, 2025
July 1, 2025
7 months
October 17, 2023
July 16, 2025
Conditions
Outcome Measures
Primary Outcomes (10)
The evaluation of the abundance of Fusobacterium nucleatum
The presence and abundance of Fusobacterium nucleatum will be analysed by real-time Q-PCR in plaque samples
2 months
The evaluation of the abundance of Campylobacter rectus in plaque samples
The presence and abundance of Campylobacter rectus will be analysed by real-time Q-PCR in plaque samples
2 months
The evaluation of the abundance of Prevotella intermedia in plaque samples
The presence and abundance of Prevotella intermedia will be analysed by real-time Q-PCR in plaque samplse
2 months
The evaluation of the abundance of Aggregatinacter actinomycetemcomitans in plaque samples
The presence and abundance of Aggregatinacter actinomycetemcomitans will be analysed by real-time Q-PCR in plaque samples
2 months
The evaluation of the abundance of Porphyromonas gingivalis in plaque samples
The presence and abundance of Porphyromonas gingivalis will be analysed by real-time Q-PCR in plaque samples
2 months
The evaluation of the abundance of Tannerella forsythia in plaque samples
The presence and abundance of Tannerella forsythia will be analysed by real-time Q-PCR in plaque samples
2 months
The evaluation of the abundance of Treponema denticola in plaque samples
The presence and abundance of Treponema denticola will be analysed by real-time Q-PCR in plaque samples
2 months
The evaluation of the abundance of Saccharibacteria (TM7) in plaque samples
The presence and abundance of Saccharibacteria (TM7) will be analyzed by real-time Q-PCR in plaque samplse
2 months
The evaluation of the abundance of Streptococcus aureus in plaque samples
The presence and abundance of Streptococcus aureus will be analysed by real-time Q-PCR in plaque samples
2 months
The evaluation of the abundance of Actinomyces oris in plaque samples
The presence and abundance of Actinomyces oris will be analysed by real-time Q-PCR in plaque samples
2 months
Secondary Outcomes (4)
The evaluation of 8-OHdG, PARK7/DJ-1, and NADPH oxidase levels in GCF and saliva samples
2 months
The evaluation of IL-1beta, IL-17A/E, and osteoprotegerin (OPG) levels in GCF and saliva samples
2 months
The evaluation of MMP-8 and MMP-3 levels in GCF and saliva samples
2 months
The evaluation of bone morphogenic protein (BMP)-2, epidermal growth factor (EGF), and vascular endothelial growth factor (VEGF) levels in GCF and saliva samples
2 months
Study Arms (4)
Smokers with peri-implantitis
24 patients with smokers with peri-implantitis were included in this group.
Non-smoker individuals with peri-implantitis
24 patients with non-smokers with peri-implantitis were included in this group.
Smokers with healthy peri-implant tissues
24 patients with smokers with healthy peri-implant tissues were included in this group.
Non-smoker individuals with healthy peri-implant tissues
24 patients with non-smokers with healthy peri-implant tissues were included in this group.
Interventions
The GCF, plaque, and saliva samples will recruited from participants.
Eligibility Criteria
The patients, who come to the Dokuz Eylùˆl, Gazi, and Ege University, Faculty of Dentistry, Department of Periodontology for routine periodontal control or treatment, will be included in the study.
You may qualify if:
- years old
- Body mass index (BMI) £30 kg/m
- Presence of min 1 implant and 1 tooth for the implant groups
- At least 1 year of implant loading for implant groups for the implant groups
You may not qualify if:
- Systemic diseases such as diabetes mellitus, hepatic or renal disease, or other medical conditions or transmittable diseases (ASA score III, IV, V)
- Pregnancy
- Having undergone antibiotics in the previous 6 months
- Periodontal treatment in the previous 6 months
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Mustafa Kemal Universitylead
- University of Berncollaborator
- Dokuz Eylul Universitycollaborator
- Gazi Universitycollaborator
Study Sites (2)
University of Bern
Bern, 3010, Switzerland
Hatay Mustafa Kemal University
Antakya, Hatay, 31000, Turkey (TĂ¼rkiye)
Related Publications (35)
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PMID: 35343614BACKGROUNDBerglundh T, Armitage G, Araujo MG, Avila-Ortiz G, Blanco J, Camargo PM, Chen S, Cochran D, Derks J, Figuero E, Hammerle CHF, Heitz-Mayfield LJA, Huynh-Ba G, Iacono V, Koo KT, Lambert F, McCauley L, Quirynen M, Renvert S, Salvi GE, Schwarz F, Tarnow D, Tomasi C, Wang HL, Zitzmann N. Peri-implant diseases and conditions: Consensus report of workgroup 4 of the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases and Conditions. J Clin Periodontol. 2018 Jun;45 Suppl 20:S286-S291. doi: 10.1111/jcpe.12957.
PMID: 29926491BACKGROUNDDerks J, Tomasi C. Peri-implant health and disease. A systematic review of current epidemiology. J Clin Periodontol. 2015 Apr;42 Suppl 16:S158-71. doi: 10.1111/jcpe.12334.
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PMID: 29539789BACKGROUNDRoccuzzo A, Stahli A, Monje A, Sculean A, Salvi GE. Peri-Implantitis: A Clinical Update on Prevalence and Surgical Treatment Outcomes. J Clin Med. 2021 Mar 6;10(5):1107. doi: 10.3390/jcm10051107.
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PMID: 33210772BACKGROUNDFarronato D, Azzi L, Giboli L, Maurino V, Tartaglia GM, Farronato M. Impact of Smoking Habit on Peri-Implant Indicators following Different Therapies: A Systematic Review. Bioengineering (Basel). 2022 Oct 18;9(10):569. doi: 10.3390/bioengineering9100569.
PMID: 36290537BACKGROUNDDaubert DM, Weinstein BF, Bordin S, Leroux BG, Flemming TF. Prevalence and predictive factors for peri-implant disease and implant failure: a cross-sectional analysis. J Periodontol. 2015 Mar;86(3):337-47. doi: 10.1902/jop.2014.140438. Epub 2014 Nov 21.
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PMID: 26178415BACKGROUNDBizzarro S, Loos BG, Laine ML, Crielaard W, Zaura E. Subgingival microbiome in smokers and non-smokers in periodontitis: an exploratory study using traditional targeted techniques and a next-generation sequencing. J Clin Periodontol. 2013 May;40(5):483-92. doi: 10.1111/jcpe.12087. Epub 2013 Mar 13.
PMID: 23489056BACKGROUNDZhou N, Huang H, Liu H, Li Q, Yang G, Zhang Y, Ding M, Dong H, Mou Y. Microbiota analysis of peri-implant mucositis in patients with periodontitis history. Clin Oral Investig. 2022 Oct;26(10):6223-6233. doi: 10.1007/s00784-022-04571-1. Epub 2022 Jun 8.
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PMID: 26650622BACKGROUND
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Alpdogan Kantarci, Prof
Forsyth Institute
- STUDY CHAIR
Anton Sculean, Prof
University of Bern
- STUDY CHAIR
Berrin Unsal, Prof
Gazi University
- STUDY CHAIR
Aliye Akcali, Prof
Dokuz Eylul University
- PRINCIPAL INVESTIGATOR
Aysegul Sari, PhD
Mustafa Kemal University
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- CROSS SECTIONAL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- PhD, Assistant professor
Study Record Dates
First Submitted
October 17, 2023
First Posted
November 29, 2023
Study Start
November 21, 2023
Primary Completion
July 1, 2024
Study Completion (Estimated)
December 21, 2026
Last Updated
July 20, 2025
Record last verified: 2025-07