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Impact of smoking on gums

Interleukin 8 and lipoxin a4 levels in the gingival crevicular fluid of smokers and non-smokers with different periodontal diseases: a cross-sectional study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN13030013
Enrollment
30
Registered
2015-02-04
Start date
2012-09-01
Completion date
Unknown
Last updated
2019-02-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Periodontial disease is a leucocyte-mediated inflammatory disease characterised by inflammation of the supporting tissues of the teeth induced by micro-organisms that stimulate the host immune and inflammatory responses. Oral Health Periodontial disease

Interventions

Gingival crevicular fluid samples will be obtained from the orifice of the gingival pocket, using commercially available periopaper strips for the assessment of: 1. Plaque index

Sponsors

Ondokuz Mayis University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Smokers (= 5 years of duration and = 15 cigarettes per day) 2. Non-smokers (never smoked) 3. Age = 18 years old 4. = 16 teeth

Exclusion criteria

Exclusion criteria: 1. History of cancer 2. History of rheumatoid arthritis 3. History of diabetes mellitus 4. History of cardiovascular diseases 5. Compromised immune system 6. Pregnancy 7. Menopause 8. Lactating 9. Ongoing drug therapy that may affect the clinical features of periodontitis 10. Systemic antimicrobials during the 6 weeks preceding the baseline examination 11. Any dental treatment during the past 6 months

Design outcomes

Primary

MeasureTime frame
1. Silness and Loe plaque index 2. Loe and Silness gingival index 3. Probing pocket depth 4. Clinical attachment level 5. Bleeding on probing Clinical measurements will be performed on six sites per tooth (mesio-buccal, mid-buccal, disto-buccal, mesio-lingual, mid-lingua and, disto-lingual) using a Williams periodontal probe calibrated in millimetres on the patient's first visit to have periodontal treatment.

Countries

Turkey

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026