bleaching agent concentration for car

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bleaching agent concentration for car

Tooth-bleaching procedures and their controversial …- bleaching agent concentration for car ,Mar 12, 2014·Results indicated that exposure to an acidic bleaching agent (pH = 4.9) led to a higher surface roughness than treatment with a high peroxide concentration (pH = 6.15), and that bleaching agents with a high concentration of peroxide or an acidic pH can provoke surface roughness of sound or eroded enamel.Tooth-bleaching procedures and their controversial effects ...Mar 12, 2014·Results indicated that exposure to an acidic bleaching agent (pH = 4.9) led to a higher surface roughness than treatment with a high peroxide concentration (pH = 6.15), and that bleaching agents with a high concentration of peroxide or an acidic pH can provoke surface roughness of sound or eroded enamel.



The Efficacy and Side Effects of Various Concentrations of ...

ferent methods of dental bleaching (a t home or in office) and different concentrations of bleaching agents and concluded that irrespective of the sub-stance concentration and the applied method, all

Nonprescription Bleaching versus Home Bleaching with ...

Dec 31, 2019·This suggests that regardless of the bleaching regime or concentration of the bleaching agents, this study exhibits efficacy of tooth whitening, as was also found in several studies. 6 8 10 From the results, PB Voco showed similar bleaching efficacy with PB Opal, while PB Opal has the same bleaching efficacy with OTC Crest.

Clinical evaluation of bleaching agents of different ...

Key words: bleaching agenf, carbamide peroxide, colorimeter, rebound effect, toolii bleaching CLINiCAL RELEVANCE: There was a difference in 1he rale of tooth lightening bul noi in the uitimate iightening achieved in this 6-week evaiuation of 10% and 15% car-bamide peroxide whitening agents. Bleaching has been accepted as one method of treat-

The effect of bleaching gel application on the physical ...

Mar 26, 2021·The bleaching techniques vary according to the bleaching agent’s type, concentration, and technique which is classified as at-home, in-office or a combination between them. Regardless of the technique, the active principle of …

Bleaching agents - SlideShare

May 22, 2014·Bleaching Mechanism Sodium hypochlorite is the salt of a moderately strong base (OCl-) and a weak acid (HOCl). Solutions are therefore alkaline. The species present in a solution can be understood from the following: Note: Hypochlorous acid (HOCl) is the active bleaching agent. 9. Effect of pH pH has a profound effect on bleaching with ...

Considerations for Managing Bleaching Sensitivity

appropriate concentration of bleaching agent, with instruc-tions that applications more than once a day or higher con-centrations of bleaching agent increase the likelihood of sensitivity.3,4,20-22 All other delineators, such as pulp size, exposed dentin, cracks, gingival recession, caries, sex or age

(PDF) The Efficacy and Side Effects of Various ...

A higher prevalence of tooth sensitivity was observed for 71.4% of the volunteers who used the 20% CP home-use bleaching agent, which may be ascribed to the peroxide concentration and/or the time ...

Effect of High- Or Low-Concentration Bleaching Agents ...

High-concentration agents were applied in 3 sessions, whereas low-concentration agents were applied for 14 days. Knoop microhardness measurements were taken on the surface of the enamel before bleaching, at various timepoints during bleaching, and 14 days after the final bleaching treatment.

Effectiveness of 6% hydrogen peroxide concentration for ...

Objective: The aim of this clinical randomized double-blind split-mouth study was to assess the effectiveness of a 6% hydrogen peroxide with nitrogen-doped titanium dioxide light activated bleaching agent. Method: 31 patients were treated with: one upper hemiarcade with a 35% hydrogen peroxide bleaching agent and the other hemiarcade with a 6% hydrogen peroxide.

Clinical evaluation of bleaching agents of different ...

Key words: bleaching agenf, carbamide peroxide, colorimeter, rebound effect, toolii bleaching CLINiCAL RELEVANCE: There was a difference in 1he rale of tooth lightening bul noi in the uitimate iightening achieved in this 6-week evaiuation of 10% and 15% car-bamide peroxide whitening agents. Bleaching has been accepted as one method of treat-

Bleaching Agent - an overview | ScienceDirect Topics

Hydroquinone, a bleaching agent, is most frequently used to treat melasma. A 2% concentration is available over the counter, whereas 4% hydroquinone cream requires a prescription. It is applied twice daily to affected areas. Sunscreens with a SPF of 30 should be used prophylactically.

Bleaching, textile treatment - SlideShare

May 29, 2014·Bleaching Agent A bleaching agent is a substance that can whiten or decolorize other substances. 6. Oxidative bleaching The Oxidative bleaching agents are used much more than Reductive bleaching agents . The bleaching agent is a chemical reagent which decomposes in alkali solution and produce active oxygen.

A Clinical Evaluation of a Bleaching Agent Used With and ...

bleaching agent used in this double-blind study. It had a 15% concentration of carbamide peroxide. Subjects who met the inclusion/exclusion criteria (Table 1) were randomly divided into two groups. Two alginate impressions of each subject’s maxillary arch were taken. The first model was used to fabricate the bleaching tray.

Effect of High- Or Low-Concentration Bleaching Agents ...

High-concentration agents were applied in 3 sessions, whereas low-concentration agents were applied for 14 days. Knoop microhardness measurements were taken on the surface of the enamel before bleaching, at various timepoints during bleaching, and 14 days after the final bleaching treatment.

Bleaching agents - SlideShare

May 22, 2014·Bleaching Mechanism Sodium hypochlorite is the salt of a moderately strong base (OCl-) and a weak acid (HOCl). Solutions are therefore alkaline. The species present in a solution can be understood from the following: Note: Hypochlorous acid (HOCl) is the active bleaching agent. 9. Effect of pH pH has a profound effect on bleaching with ...

Clinical evaluation of bleaching agents of different ...

Key words: bleaching agenf, carbamide peroxide, colorimeter, rebound effect, toolii bleaching CLINiCAL RELEVANCE: There was a difference in 1he rale of tooth lightening bul noi in the uitimate iightening achieved in this 6-week evaiuation of 10% and 15% car-bamide peroxide whitening agents. Bleaching has been accepted as one method of treat-

Bleaching Agent - an overview | ScienceDirect Topics

Marianna A. Busch, Kenneth W. Busch, in Encyclopedia of Analytical Science (Third Edition), 2019 Bleaching Agents. Bleaching agents are formulations that whiten or lighten a substrate by solubilizing color-producing substances or by altering their light-absorbing properties. Bleaching agents are used extensively in the pulp and paper industry, the textile industry, and …

Bleaching Agent - an overview | ScienceDirect Topics

Hydroquinone, a bleaching agent, is most frequently used to treat melasma. A 2% concentration is available over the counter, whereas 4% hydroquinone cream requires a prescription. It is applied twice daily to affected areas. Sunscreens with a SPF of 30 should be used prophylactically.

The effect of bleaching gel application on the physical ...

Mar 26, 2021·The bleaching techniques vary according to the bleaching agent’s type, concentration, and technique which is classified as at-home, in-office or a combination between them. Regardless of the technique, the active principle of …

Tooth-bleaching procedures and their controversial effects ...

Mar 12, 2014·Results indicated that exposure to an acidic bleaching agent (pH = 4.9) led to a higher surface roughness than treatment with a high peroxide concentration (pH = 6.15), and that bleaching agents with a high concentration of peroxide or an acidic pH can provoke surface roughness of sound or eroded enamel.

Bleaching Agent - an overview | ScienceDirect Topics

Marianna A. Busch, Kenneth W. Busch, in Encyclopedia of Analytical Science (Third Edition), 2019 Bleaching Agents. Bleaching agents are formulations that whiten or lighten a substrate by solubilizing color-producing substances or by altering their light-absorbing properties. Bleaching agents are used extensively in the pulp and paper industry, the textile industry, and …

The Efficacy and Side Effects of Various Concentrations of ...

ferent methods of dental bleaching (a t home or in office) and different concentrations of bleaching agents and concluded that irrespective of the sub-stance concentration and the applied method, all

Bleaching Agent - an overview | ScienceDirect Topics

Marianna A. Busch, Kenneth W. Busch, in Encyclopedia of Analytical Science (Third Edition), 2019 Bleaching Agents. Bleaching agents are formulations that whiten or lighten a substrate by solubilizing color-producing substances or by altering their light-absorbing properties. Bleaching agents are used extensively in the pulp and paper industry, the textile industry, and …

Bleaching Agent - an overview | ScienceDirect Topics

Marianna A. Busch, Kenneth W. Busch, in Encyclopedia of Analytical Science (Third Edition), 2019 Bleaching Agents. Bleaching agents are formulations that whiten or lighten a substrate by solubilizing color-producing substances or by altering their light-absorbing properties. Bleaching agents are used extensively in the pulp and paper industry, the textile industry, and …