English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Objective: This study evaluated the effect of desensitizing agents associated or not with laser diode on dentin permeability and surface morphology. Materials and Methods: For this study, 104 bovine root dentin specimens were randomly divided into 4 groups and 2 subgroups (n = 13): G1A = no treatment (control), G1B= diode laser, G2A= Oxagel, G2B= diode laser + Oxagel, G3A= Mi Paste, G3B= diode laser + Mi Paste, G4A= Sensitive Pro-Relief desensitizing, G4B= diode laser + Sensitive Pro-Relief desensitizing. For permeability analysis , 10 specimens were immersed in 1% hydrochloric acid for 20 seconds, three times, with an interval of 2 hours between them, to expose the dentinal tubules. The application of desensitizing agents was performed according to the manufacturer’s instructions and the irradiation with the laser diode was made on contact mode, wavelength of 970 nm +/10 nm, maximum output 7 W CW, 10 Hz, for 25 seconds. After that, the specimens were imaged in an optical microscope (OM) and permeability was measured in the digitized images as the percentage of cooper ions penetration over the total area. The remaining specimens (n = 3) were used for surface microscopic analysis and they were divided in two areas (control and treated). The dentinal tubules exposure and the treatments application were performed as previously described and then analysed in scanning electron microscopy (SEM). The permeability values were analyzed using ANOVA. Results: No statistical significant difference among the treatments was observed. For scanning electron microscopy, there was a slight difference between the treated and control area, except for group 4B. Comparing groups A and B (without and associated with laser, respectively), no significant change was verified on the dentin surface. Conclusion: The application of desensitizing agents associated or not with diode laser did not affect the root dentin permeability and the dentin surface morphology.

Influência dos tratamentos dessensibilizantes associados ao laser de diodo na permeabilidade dentinária