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The bleeding site: a multi-level analysis of associated factors
Roberto Farina1, Cristiano Tomasi, Leonardo Trombelli
1Research Centre for the Study of Periodontal and Peri-Implant Diseases, University of Ferrara, Ferrara, Italy.
Bleeding on probing (BoP) risk is linked to periodontal pocket depth (PPD) and patient factors like gender and smoking. Site characteristics also influence BoP probability.
Area of Science:
- Periodontology
- Dental Public Health
Background:
- Bleeding on probing (BoP) is a key indicator of periodontal inflammation.
- Understanding factors influencing BoP is crucial for effective periodontal disease management.
Purpose of the Study:
- To investigate the association between the probability of bleeding on probing (BoP) and patient-related and site-specific characteristics.
Main Methods:
- Retrospective analysis of 88,960 sites from 601 adult patients.
- Logistic regression model used to assess factors influencing BoP.
- Included probing pocket depth (PPD), tooth type, surface, gender, and smoking status.
Main Results:
- Mean BoP probability at 3mm PPD was 18%, increasing with PPD.
- Higher BoP risk observed for inter-proximal sites, posterior teeth, and females.
- Smokers showed lower BoP risk compared to non-smokers.
- Patient susceptibility to BoP varied even after controlling for covariates.
Conclusions:
- BoP probability is significantly associated with site-specific factors (PPD, tooth aspect, tooth type).
- Patient-related factors (gender, smoking status) also play a significant role in BoP.
- Individual patient susceptibility influences bleeding on probing outcomes.
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