Objective: Evaluated the effects of desensitizing dentifrices on dentinal tubule occlusion in human
teeth thought qualitative and quantitative analysis.
Methods: Eighty dentin block were divided in eight groups, two controls (positive and negative)
and six using desenstitizing dentifrices (Colgate Pro-alívio®, Colgate Tripla Ação®, Colgate Sensitivity®,
Sensodyne Repair & Protect®, Sensodyne dentes sensíveis® and Cariax®) The specimens were storaged
in natural saliva. A simulated toothbrushing machine were used corresponding 21 brushings weekly and
used six cicles. For qualitative analysis Scanning Eletronic Microscopy (SEM) and Energy-Dispersive X-ray
Epectroscopy (EDS) were used. Percentage of occluded tubules was obtained for quantitative analisys. The
data were statistically analyzed by ANOVA and Tukey tests (p < 0.05).
Results: Colgate Pro-alívio®, Colgate Sensitivity®, Sensodyne Repair & Protect® and Sensodyne dentes
sensíveis® showed better effect in occluded dentinal tubules (p<0.05), the slurry on dental surface were
differents depending of active principle of samples and EDS showed presence of calcium and phosphorus
in all groups.
Conclusion: All dentifrices were able to occluded dentinal tubules and Calcium and phosphorus were
a regular found, however Cariax® andColgate Tripla Ação® had the worst results in quantitative analyses.
Keywords: Dentifrices; Dentin desensitizing Agents; Scanning microscopy eletronic
Published on: Nov 30, 2017 Pages: 76-81
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DOI: 10.17352/2394-8418.000054
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