Tooth Whitening: What We Now Know - PMC - PubMed Central …

Whitening chemistry. Tooth whitening is any process that lightens the color of a tooth. Whitening may be accomplished by physical removal of the stain or a chemical reaction to lighten the …

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Treatment Durations And Whitening Outcomes Of Different Tooth …

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Jun 12, 2023 · An amount of 35% hydrogen peroxide, potassium nitrate, hydroxyapatite, propylene glycon, sodium hydroxide, and carbomer. Apply a 2–3 mm layer of to the dry …

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FAQs about Tooth Whitening: What We Now Know - PMC - PubMed Central … Coupon?

What is tooth whitening?

Tooth whitening is any process that lightens the color of a tooth. Whitening may be accomplished by physical removal of the stain or a chemical reaction to lighten the tooth color. Bleaching is defined here as the chemical degradation of the chromogens. ...

Does tooth whitening improve tooth discoloration?

As a safe, effective, economical, and convenient technique, tooth whitening is one of the most popular treatments for improving tooth discoloration. This review summarizes the theoretical and recent research developments in the classification and mechanisms of tooth discoloration, as well as the pri … ...

How does light whitening affect teeth?

Therefore, the choice of light source for activation may yield different whitening effects. Tooth whitening agents may potentially impact the hardness and surface roughness of tooth enamel, thereby altering the biomechanical characteristics of teeth . ...

Does peroxide whiten teeth?

The exact mechanism by which peroxides whiten teeth is not fully understood and can vary depending on factors such as the type of tooth staining and environmental conditions like pH, temperature, and light . The redox reaction of HP is currently considered the fundamental principle of tooth whitening. ...

Is tooth whitening safe?

Current research about tooth whitening shows that it is safe and effective when manufacturer’s protocol is followed, yet there are risks of which the profession and users should be aware. This update provides a summary of current research and ... ...

When was teeth whitening first used?

Teeth whitening technology has existed for over 150 years. In fact, the first successful tooth whitening treatment was performed back in 1877 by Dr. Chapple using HCL. This external whitening technique is widely accepted and does not cause significant damage to the hard tissues of the teeth . ...