Quick Guide to Professional Teeth Bleaching

Teeth Whitening

Many individuals are interested in the cosmetic benefits of professional teeth bleaching. Read this guide to understand how whiteners from a dentist help improve the appearance of the teeth and learn which different treatment options are available, depending on the patient’s unique needs and preferences.

How teeth bleaching products work

While there is more than one method used for professional teeth bleaching, the products used to whiten the teeth are very similar. Learn what ingredients are often included in bleaching products and how they can be safely used to brighten a person's smile.

Agents used in bleaching products

Most teeth whitening preparations rely on either hydrogen peroxide or carbamide peroxide to address stains on the teeth. Enamel is porous and absorbs much of what enters the mouth. Bleaching agents are used to penetrate deeply into the teeth and produce a chemical reaction that breaks apart stains often caused by a person’s diet or tobacco use. Most bleaching products contain peroxide but in varying concentrations. While over-the-counter whiteners may only contain 10% peroxide, professional systems may use gels with up to 35%. Other ingredients that may be present in a whitening gel include water, glycerin, sodium fluoride and a flavoring agent.

Safety of professional teeth bleaching

When used correctly, bleaching products should not cause any damage to the teeth. If a patient overuses whiteners or applies the bleaching gel incorrectly, it is possible to negatively affect the outer enamel and inner dentin of the tooth. When having teeth whitened professionally, the dentist monitors the patient’s progress and only applies products in controlled amounts.

In-office and at-home treatment options

When consulting a dentist about professional teeth bleaching treatments, many practitioners offer both in-office whitening sessions and take-home whitening trays. The alternative selected usually depends on the patient’s goals.

In-office teeth whitening

For the fastest results, patients can have teeth whitened in a dental office. This process involves the dentist isolating the teeth and applying a bleaching paste directly onto them. The solution may be removed and reapplied or left on the teeth for a set period of time. Some systems use a type of light, typically a UV or LED light, during the process as well. This treatment requires only one appointment with results showing as soon as the session is over.

Take-home whitening trays

For persons who wish to whiten the teeth more slowly, a dentist can provide take-home whitening gel and trays that are customized to fit the individual’s mouth. An initial appointment is required before starting treatment to take impressions of the patient’s teeth. These molds are used to make the custom-fitted tray. The patient is instructed on how to insert the gel into the trays and how long to wear them. Take-home trays are meant to be used once or twice a day for one to two weeks.


Professional teeth bleaching is a quick, effective option for whitening the teeth. By working with a dentist every step of the way, patients can ensure the correct and safe use of whitening products.

Request an appointment or call Integrated Dental Care at (610) 810-3542 for an appointment in our Exton office.

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