Dental biofilm, gingivitis and interleukin-1 adjacent to approximal sites of a bonded ceramic
: Katarina Konradsson
: Blackwell Synergy
Aim: The aim of this study was to investigate in vivo the influence of aged, resinbonded,
ceramic restorations on approximal dental biofilm formation and gingival
inflammatory response, associated with and without customary oral hygiene.
Material and Methods: In a cross-sectional and in a 10-day experimental gingivitis
study, QuigleyÃ¢â‚¬â€œHein plaque index, gingival index (GI), crevicular fluid and its levels
of interleukin (IL)-1a, -1b and receptor antagonist were measured at appoximal
surfaces of leucite-reinforced bonded ceramic coverages, resin composite restorations
and enamel and compared intra-individually in 17 participants.
Results: No differences were found between the ceramic, composite and enamel
regarding plaque index, GI, levels of IL-1a, -1b and the receptor antagonist.
Throughout, higher crevicular fluid amounts were observed at ceramic sites compared
with the enamel (po0.05). In the experimental gingivitis, plaque index, GI, crevicular
fluid and its IL-1a levels increased significantly.
Conclusion: The need for optimal oral hygiene and professional preventive oral
health care does not seem to be reduced with regard to approximal surfaces of aged,
resin-bonded, leucite-reinforced ceramic restorations in comparison with those of
a hybrid, resin composite and enamel.
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