Related Experiment Video
Updated: Dec 20, 2025
05:37
Experimental Model of Ligature-Induced Peri-Implantitis in Mice
Published on: May 17, 2024
3.1K
The relationship between IL-1 gene polymorphism and marginal bone loss around dental implants
Ying-He Lin1, Ping Huang, Xuan Lu
1Department of Prosthodontics, West China School of Stomatology, Sichuan University, Chengdu, China.
Summary
Interleukin-1 gene polymorphism, specifically the IL-1B-511 II/II genotype, is linked to early marginal bone loss around dental implants. This finding may help understand implant complications during healing.
Area of Science:
- Dental Implantology
- Genetics
- Immunology
Background:
- Early marginal bone loss around dental implants is a common complication.
- The etiology of this bone loss remains unclear.
- Interleukin-1 (IL-1) gene polymorphisms are potential risk factors.
Purpose of the Study:
- To investigate the association between interleukin-1 gene polymorphism and early marginal bone loss around dental implants.
- To determine if specific IL-1 genotypes increase the risk of bone loss before stage II implant surgery.
Main Methods:
- A cohort of 59 patients with 143 implants was studied.
- Patients were categorized into groups based on marginal bone loss (≥0.5 mm or <0.5 mm).
- Polymorphisms in IL-1alpha and IL-1beta genes (IL-1A-889, IL-1B-511, IL-1B+3954) were analyzed using PCR and restriction fragment length polymorphism.
Main Results:
- The IL-1B-511 II/II genotype was significantly more frequent in patients with early marginal bone loss.
- Logistic regression indicated an odds ratio of 3.933 for marginal bone loss associated with the IL-1B-511 II/II genotype.
- No significant associations were found for other risk factors or IL-1 gene polymorphisms.
Conclusions:
- The IL-1B-511 II/II genotype is associated with early marginal bone loss around dental implants.
- This genetic factor may contribute to implant complications during the healing phase.
