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Updated: Feb 28, 2026

Effects of Mechanical Methods Used in Peri-implantitis Treatment on Implant Surface Decontamination and Roughness
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Risk Factors Associated with Complications in Fixed Partial Dentures.

Diana-Elena Vlăduțu1, Vlad Pârvănescu2, Alexandru Ștefârță1

  • 1Department of Prosthetic Dentistry, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania.

Journal of Clinical Medicine
|February 27, 2026
PubMed
Summary
This summary is machine-generated.

Risk factors like caries predisposition (DMFT index) and smoking are linked to fixed partial denture (FPD) complications. Poor oral hygiene and smoking also contribute to aesthetic issues with FPDs.

Keywords:
DMFT indexFPD complicationsbruxismfixed partial denturesoral hygienesmoking status

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Area of Science:

  • Dental Prosthetics
  • Oral Health Research
  • Clinical Dentistry

Background:

  • Fixed partial dentures (FPDs) aim to restore function lost due to partial edentulism.
  • Understanding risk factors associated with FPD complications is crucial for improving patient outcomes.
  • Prevalence of caries predisposition (DMFT index), oral hygiene, bruxism, and smoking are key factors to investigate.

Purpose of the Study:

  • To determine the association between risk factors and complications of fixed partial dentures (FPDs).
  • To analyze the frequency of biological, technical, and aesthetic complications related to FPDs.
  • To identify specific risk factors contributing to different types of FPD complications.

Main Methods:

  • Retrospective cross-sectional study of 428 patients with FPD complications.
  • Data collection on caries predisposition (DMFT index), oral hygiene, bruxism, and smoking status.
  • Statistical analysis using Pearson's chi-square and Mann-Whitney U tests to assess associations.

Main Results:

  • Elevated DMFT index values were observed in both younger and older age groups.
  • High percentages of FPD complications were reported: 94.77% biological, 86.27% technical, and 85.62% aesthetic.
  • Significant associations found between caries predisposition and smoking with biological complications; bruxism and smoking with technical complications; and poor oral hygiene and smoking with aesthetic complications.

Conclusions:

  • Caries predisposition and smoking significantly increase the risk of biological FPD complications.
  • Bruxism and smoking are linked to a higher incidence of technical FPD complications.
  • Unsatisfactory oral hygiene and smoking are associated with increased aesthetic complications in FPD patients.