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different bleaching agent and techniques

Effects of three different bleaching agents on microhardness and roughness of composite sample surfaces finished with different polishing techniques- different bleaching agent and techniques ,Results: When the polishing techniques were compared, no signicant difference was observed in surface hardness and roughness. When the bleaching agents were compared, the 10% carbamide peroxide and 38% hydrogen peroxi-de containing bleaching agentManagement of Non-Vital Tooth Bleaching - Dental NewsWhen an agent fails to remove a stain completely or when multiple patches of different origins are present on the same tooth, a combination of whitening techniques can be used. The technique combines external / internal bleaching, so the patient can do it at home.



Integrated Master in Dentistry after different bleaching techniques

Integrated Master in Dentistry Composites roughness and microhardness after different bleaching techniques Andreia Filipa Sousa Leal* Advisor: PhD. Eunice Virgínia Palmeirão Carrilho* Co-advisor: Master Anabela Baptista Pereira Paula* *Faculty of Medicine

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Bleach Wash | Different Methods of Bleaching Wash

Bleaching wash is the process which is done by using strong oxidative bleaching agent. Bleaching agent can be sodium hypochlorite or potassium per manganate (KMnO4). By applying bleach wash special types of fading effect can be produced, which is one of the important reasons for choosing bleached garments by the buyers.

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Bleaching Agent - an overview | ScienceDirect Topics

T. Hussain, in Reference Module in Materials Science and Materials Engineering, 20163.3 Effect of Bleaching on Delignification of Jute The effect of different bleaching agents, including hydrogen peroxide, sodium chlorite, sodium hypochlorite and calcium hypochlorite, on the progressive delignification and surface characteristics of jute fiber has been reported (Guha Roy et al., 1984).

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Management of Non-Vital Tooth Bleaching - Dental News

When an agent fails to remove a stain completely or when multiple patches of different origins are present on the same tooth, a combination of whitening techniques can be used. The technique combines external / internal bleaching, so the patient can do it at home.

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6: Bleaching Techniques | Pocket Dentistry

Vital bleaching can be further divided into at-home bleaching (with self-application of the bleaching agent by the patient as instructed by the dentist) and in-office bleaching (in which the dental team performs the bleaching procedure at the dental chair).

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Bleaching of Nonvital Teeth - SWISS DENTAL JOURNAL

Summary Today, the bleaching of nonvital, discolored teeth is a low-risk routine treat-ment for improving esthetics. This review ar-ticle focuses on the etiology of tooth discolor-ations, different treatment techniques, and risks of bleaching procedures. Some tooth

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Contemporary Trends and Techniques in Tooth Whitening

CONTEMPORARY TRENDS AND TECHNIQUES IN TOOTH WHITENING: A REVIEW Jorge Perdigão, DMD, MS, PhD* ... Carbamide peroxide has been used as a bleaching agent since 1989. Using a concentration of 10% carb-amide peroxide, vital bleaching ...

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Bleaching of wood pulp - Wikipedia

Newsprint ranges from 55-75 ISO brightness. Writing and printer paper would typically be as bright as 104 ISO. While the results are the same, the processes and fundamental chemistry involved in bleaching chemical pulps (like kraft or sulfite) are very different from those involved in bleaching mechanical pulps (like stoneground, thermomechanical or chemithermomechanical).

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Intracoronal Whitening of Endodontically Treated Teeth

Abstract Several techniques have been used within the last 170 years to lighten discolored endodontically treated teeth. Internal whitening or intracoronal whitening offers some advantages over more invasive treatments, as: (1) it is relatively easy to carry out; (2) it involves the removal of minimal tooth structure; and (3) the cost of treatment is low compared to that of other restorative ...

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Teeth Whitening Vs. Bleaching | 55110 Dentist

Most bleaching techniques use some form or derivative of hydrogen peroxide in different concentrations and application techniques. Bleaching generally has an approximate lifespan of 1 to 3 years, although the change may be permanent in some situations.

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Bleaching of wood pulp - Wikipedia

Bleaching of wood pulp is the chemical processing of wood pulp to lighten its color and whiten the pulp. The primary product of wood pulp is paper, for which whiteness (similar to, but distinct from brightness) is an important characteristic. These processes and ...

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3: Bleaching and Microabrasion | Pocket Dentistry

Most clinical techniques for bleaching rely on this effect but vary the speed by either extending the periods of contact, using higher concentrations or, as previously practised, heating the bleaching agent.

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An Overview of Bleaching Techniques: 3. In-Surgery or Power Bleaching

This article will review various in-surgery or power bleaching procedures. In addition, it will detail the procedure involved and how and when to combine bleaching techniques. Dent Update 2005; 32: 101-108 Clinical Relevance: There are many power bleaching

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Smile4you: Bleaching techniques - Blogger

The advantages and disadvantages of different bleaching options, as well as indications for individual or combined use of the techniques, are discussed. In addition, specific indications for the use of the nightguard vital bleaching technique are presented. 1992;23)

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