دورية أكاديمية
Effect of bleaching gels with different thickeners under normal and hyposalivation conditions: in situ study.
| العنوان: | Effect of bleaching gels with different thickeners under normal and hyposalivation conditions: in situ study. |
|---|---|
| المؤلفون: | Ferraz LN; Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba, Departamento de Odontologia Restauradora, Piracicaba, SP, Brasil., Vieira I; Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba, Departamento de Odontologia Restauradora, Piracicaba, SP, Brasil., Ambrosano GMB; Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba, Departamento de Odontologia Social, Piracicaba, SP, Brasil., Lopes MA; Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba, Departamento de Diagnóstico Oral, Piracicaba, SP, Brasil., Lima DANL; Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba, Departamento de Odontologia Restauradora, Piracicaba, SP, Brasil. |
| المصدر: | Journal of applied oral science : revista FOB [J Appl Oral Sci] 2022 Dec 02; Vol. 30, pp. e20220285. Date of Electronic Publication: 2022 Dec 02 (Print Publication: 2022). |
| نوع المنشور: | Journal Article |
| اللغة: | English |
| بيانات الدورية: | Publisher: Faculdade de Odontologia de Bauru, USP Country of Publication: Brazil NLM ID: 101189774 Publication Model: eCollection Cited Medium: Internet ISSN: 1678-7765 (Electronic) Linking ISSN: 16787757 NLM ISO Abbreviation: J Appl Oral Sci Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Bauru, SP : Faculdade de Odontologia de Bauru, USP, [2003]- |
| مواضيع طبية MeSH: | Research Design* , Dental Enamel* , Tooth Bleaching Agents*/adverse effects, Animals ; Cattle ; Humans ; Salivation ; Case-Control Studies |
| مستخلص: | Background: Bleaching gel thickeners induce important changes in tooth enamel and these changes are reversed by saliva. Objective: This in situ study aimed to evaluate the effect of bleaching gels with different thickeners on tooth enamel under normal and hyposalivation conditions. Methodology: Of 28 participants, 14 had normal salivary flow and 14 had low salivary flow. For each salivary flow, four types of treatment were performed with different thickeners: no bleaching (negative control), bleaching with a commercial 10% carbamide peroxide (CP) gel with carbopol (positive control) and bleaching with experimental 10% CP gels with natrosol and aristoflex. Participants used a palatal appliance containing bovine enamel/dentin specimens for 15 days. From day 2 to day 15, specimens were bleached extraorally. The bleaching gel was applied according to the groups for four hours. When the bleaching gel was removed, the palatal appliance was inserted again in the participants' mouth until the next day for another bleaching application. This procedure was repeated for 14 days and on day 15, surface microhardness (SMH), color (ΔE*ab and ΔE00), surface roughness (Ra), scanning electron microscopy (SEM), and energy-dispersive X-ray spectrometry (EDS) analyses were performed and data were subjected to statistical analysis. Results: Neither salivary flow nor thickeners influenced ΔE*ab and ΔE00 results. Carbopol had the lowest SMH, the highest Ra, and the lowest Ca% among all groups. For normal flow, natrosol and aristoflex had higher SMH. For low flow, aristoflex had higher SMH and natrosol and aristoflex had lower Ra. Aristoflex had higher Ca% and Ca/P and differed from carbopol for normal flow. Conclusion: For normal flow, 10% CP gels with natrosol and aristoflex caused fewer surface changes, and for low flow, only the 10% CP gel with aristoflex. |
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| المشرفين على المادة: | 0 (Tooth Bleaching Agents) |
| تواريخ الأحداث: | Date Created: 20221208 Date Completed: 20221219 Latest Revision: 20221219 |
| رمز التحديث: | 20221220 |
| مُعرف محوري في PubMed: | PMC9724495 |
| DOI: | 10.1590/1678-7757-2022-0285 |
| PMID: | 36477556 |
| قاعدة البيانات: | MEDLINE |
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