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- Title
SEM evaluation of in situ early bacterial colonization on a Y-TZP ceramic: a pilot study.
- Authors
Scotti R; Kantorski KZ; Monaco C; Valandro LF; Ciocca L; Bottino MA
- Abstract
This study aimed to evaluate the effect of surface glazing and polishing of yttrium-stabilized tetragonal zirconia polycrystal ceramic on early dental biofilm formation, as well as the effect of brushing on the removal of adhered bacteria. Two subjects used oral appliances with polished and glazed samples fixed to the right and left sides. After 20 minutes, 1 hour, and 6 hours, the subjects manually brushed the samples on the right side. The samples were analyzed using scanning electron microscopy. Granular material was verified on the samples, especially on irregular surfaces. After 1 hour, there was no significant difference between glazed and polished surfaces in terms of bacterial presence. However, glazed surfaces tended to accumulate more biofilm, and brushing did not completely remove the biofilm. Polished surfaces seem to present a lower tendency for biofilm formation.
- Publication
International Journal of Prosthodontics, 2007, Vol 20, Issue 4, p419
- ISSN
0893-2174
- Publication type
Journal Article