Research Information System
Cukurova Medical Journal, vol.51, no.1, pp.307-314, 2026 (Peer-Reviewed Journal)
Abstract Öz
Purpose: This study aimed to investigate the presence of
H. pylori on the internal surfaces of fixed dental prostheses
and to evaluate its biofilm-forming capacity on various
dental prosthetic materials.
Materials and Methods: A total of 200 dental prosthesis
samples were used in the study. In the first phase, samples
collected from the internal surfaces of the prostheses were
analyzed for the presence of H. pylori using real-time
polymerase chain reaction (PCR). In the second phase, the
biofilm-forming ability of H. pylori was assessed on several
dental materials including dental ceramics, titanium,
chrome-cobalt, chrome-nickel, zirconium, acrylic, and
polystyrene (as control) using scanning electron
microscopy (SEM) and a study-specific scoring system.
Results: PCR analysis revealed that H. pylori was present
in 19 (9.5%) of dental prosthesis samples, indicating that
the bacterium can colonize dental prostheses. A positive
correlation was found between H. pylori detection and the
duration of prosthesis use. H. pylori positivity was 6.7% in
symptomatic patients and 10% in asymptomatic patients,
with no statistically significant difference between groups.
SEM analysis showed that H. pylori formed biofilms on all
tested materials, with the highest densities observed on
dental ceramics (score 5) and titanium (score 4).
Conclusion: The findings indicate that fixed dental
prostheses may serve as a potential reservoir for H. pylori
and this possibility should be considered as potentially
contributing to reinfection or treatment failure.