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The Impact of Tooth Mobility and Furcation Involvement on Tooth Loss: A Retrospective Cohort Study
Georgios S Chatzopoulos1,2, Larry F Wolff1
1Division of Periodontology, School of Dentistry, University of Minnesota, Minneapolis, MN 55455, USA.
Healthcare (Basel, Switzerland)
|May 4, 2026
Summary
Tooth mobility and furcation involvement significantly increase the risk of tooth loss. This study quantifies these risks, emphasizing their importance in predicting future tooth loss for better patient care.
Area of Science:
- Periodontology
- Dental Public Health
Background:
- Tooth loss is a significant concern in dental health.
- Understanding predictors of tooth loss is crucial for effective treatment planning.
Purpose of the Study:
- To quantify the independent effects of tooth mobility and furcation involvement on tooth loss.
- To identify risk factors associated with tooth loss in a large patient cohort.
Main Methods:
- Retrospective cohort study of 16,756 patients.
- Multivariable logistic regression analysis adjusting for age, gender, smoking, and diabetes.
- Assessed tooth mobility and furcation involvement as primary predictors of tooth loss.
Main Results:
- Both tooth mobility and furcation involvement showed a dose-response relationship with tooth loss (p < 0.001).
- Class 3 mobility increased tooth loss odds by 3.99 times (OR = 3.99).
- Grade 3 furcation involvement increased tooth loss odds by 2.50 times (OR = 2.50).
Conclusions:
- Tooth mobility and furcation involvement are independent predictors of future tooth loss.
- These factors are critical for patient risk assessment and treatment planning.
- Diabetes, smoking, male gender, and age also significantly increase tooth loss risk.
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