Bleaching tray

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About bleaching tray

Types of bleaching trays

Bleaching trays, also known as whitening trays, are custom-fitted mouthpieces worn over the teeth to hold bleaching gel. They help lighten stained teeth. People typically wear them at night or while sleeping. The trays prevent the gel from touching the gums, and the gel works only on the teeth to remove stains. The article discusses the different bleaching trays, which include the following:

  • Custom Trays: Dentists make these for each person's teeth. They perfectly fit each tooth's shape. This means the trays are comfortable to wear and keep the gel on the teeth. Since custom trays mold to each person's teeth, they work well to whiten teeth. The dentist takes an impression of the upper and lower teeth. The impression is used to make the custom-fitting tray.
  • Boil-and-Bite Trays: People can buy these trays themselves at drugstores. They are made from a soft plastic material. To fit them, users boil the trays in hot water to soften the plastic. Then, they bite down on the warm tray to mold it to their teeth. Once cooled, the boil-and-bite trays hold the gel on the teeth like custom trays. However, they may not fit as well as those made by the dentist.
  • Preformed Trays: Some stores sell preformed trays that fit over the upper and lower teeth. They are made of flexible plastic. The material is also moldable. People can heat the trays in hot water and then shape them by hand to fit their teeth. Preformed trays are less expensive than custom options but may not fit as precisely.
  • Upper and Lower Trays: Some kits contain separate trays for the upper and lower teeth. Having two sets allows for a better fit on each arch of teeth since the upper and lower shapes are different. Fitting each one separately ensures optimal gel coverage on all visible surfaces of the teeth.
  • Single Upper Tray: People can purchase kits containing only an upper tray. This is convenient when only the upper teeth need whitening and not the lower teeth. The single upper tray saves money compared to buying complete sets.
  • Tray Delivery Systems: Different kits provide varying amounts of gel. Basic kits have a small amount to begin treatment. More advanced kits contain enough gel for full whitening treatment. Gel amounts vary depending on the kit's price.

How to choose bleaching trays

Certain factors should be considered when choosing a dental bleaching tray. These factors include:

  • Material

    The bleaching tray's material is important because it can affect comfort, fit, and safety. Try to look for trays made from soft, flexible materials such as ethylene vinyl acetate (EVA) or silicone. These materials will ensure the tray is comfortable to wear for long periods without causing irritation to the gums or teeth. Flexible materials will also ensure a better fit, which will reduce the chances of the bleaching gel leaking out and improve the tray's overall comfort. Some materials are also safer because they contain fewer chemicals and are less likely to react with the bleaching gel. So, when choosing a bleaching tray, always prioritize the material to ensure a safe and comfortable bleaching experience.

  • Customization

    Bleaching trays can either be generic or customized to fit the teeth. Generic trays are pre-formed and are not adjustable, while customized trays are made specifically to fit the teeth of the person using them. Although generic trays can be convenient and cheap, they may not provide the same comfort and effectiveness as customized ones. Generic trays may also be less effective than customized ones, as they may not create a perfect seal around the teeth, which helps to keep the bleaching gel in contact with the teeth. Therefore, for better comfort and effectiveness, one should choose customized bleaching trays.

  • Size and shape

    The size and shape of the bleaching tray are important factors to consider when choosing. The size of the tray should be appropriate for the mouth so that it can fit well without causing discomfort. Some trays have a size-adjustable feature that can be altered to fit the teeth. The shape of the tray should also contour the teeth perfectly to create a seal to stop the gel from leaking. Therefore, when choosing a bleaching tray, its size and shape should be considered to ensure comfort and effectiveness.

  • Ventilation holes

    Some bleaching trays have ventilation holes, which can be beneficial for wearing the tray for a long time. These holes provide airflow, which can ease the feeling of fullness in the mouth and help the user adjust to wearing the tray. The ventilation holes may also reduce the pressure build-up in the mouth, creating a more comfortable experience when using the tray.

  • Price

    When choosing a bleaching tray, its price is an important factor to consider. Generic trays are more affordable than customized ones, which can be expensive depending on the material used. Although customized bleaching trays are costly, they provide better comfort and effectiveness when using them. Therefore, when choosing, weigh the pros and cons to see which one provides value for money.

How to use and product safety

Before using the tray, the user should brush and floss their teeth thoroughly to remove any food particles or plaque. Rinse mouth with mouthwash for extra cleanliness. If the user has never used the bleaching tray, they should read all the instructions provided with the bleaching agent. They should use the recommended amount of bleaching gel and gently fill the tray. Do not overfill it, as this can cause the gel to overflow and irritate the gums. The gel amount will vary depending on what the dentist recommends and the specific bleaching product.

Users should wear the tray for the time prescribed by the dentist and not exceed it. The dentist usually prescribes at least one hour daily for people who use custom-made trays. People using boil-and-bite trays should wear them for at least two hours daily. Those who use store trays should wear them for at least 30 minutes daily. People should keep the trays clean during the treatment period. They should remove the gel and rinse them under clean water. Users should brush and rinse their teeth if they experience gum irritation. They should stop using the bleaching gel until the irritation subsides. If irritation persists, users should consult their dentists.

Users should store the gel and trays in a safe place, away from children. They should keep the gel and trays in a cool, dry place. Users should not expose them to direct sunlight or heat. Bleaching gels contain hydrogen peroxide, which can irritate the gums. Users should stop using the gel if they experience gum irritation. In case of irritation, consult a healthcare provider. Users should store the trays in the provided case to keep them safe. They should avoid high temperatures, as the trays can warp and lose shape. Users should wear the tray only when it is clean. They should remove all the hair in the mouth and rinse it thoroughly.

Functions, features, and design of bleaching trays

Tray design can be customized to suit the user's dental arch and ensure a proper fit. Some of the features and functions of bleaching trays include the following:

  • Type: There are two main types of bleaching trays - the more common one is the custom-made tray provided by the dentist, which fits snugly over the teeth. The other type is a boil-and-bite tray that can be purchased from a pharmacy. This second type is preferred by some because it is less expensive than custom trays.
  • Material: Bleaching trays are made from soft, flexible materials such as plastics like ethylene vinyl acetate. This plastic is safe for use in the mouth and can withstand the temperature of boiling water, which is around 90 degrees Celsius.
  • Thickness: The thickness of the bleaching tray can be adjusted in certain areas to provide more comfort or protection for specific teeth that need extra support or less exposure to bleaching gel.
  • Fit: A well-fitting bleaching tray will cover all teeth in one arch, with minimal to no space between the tray and teeth. It will also be comfortable and not irritate the gums. A good fit will help keep the bleaching gel in contact with the teeth and prevent it from seeping into the mouth.
  • Storage case: Some bleaching trays come with a storage case for the tray. It is essential to have a place to keep the tray so that it is safe from dirt, bacteria, or any other contaminating substance. The storage case will also help ensure that the tray is not deformed from outside forces or pressure that may change its shape and fit in the mouth.

Q&A

Q1. What are the differences between the upper and lower bleaching trays?

A1. The upper tray is designed to fit around the gum line, while the lower tray has a specific cutout to accommodate the tongue for comfort. Both are made from flexible material for a secure fit over teeth.

Q2. How should one prepare for bleaching gel application after receiving custom trays?

A2. Ensure the tray is clean and dry before adding the gel. The teeth should be dry and clean from saliva and food particles for optimal gel absorption. This preparation allows for effective whitening and quick results.

Q3. What is the average wear time for trays and gel to see results?

A3. Many patients achieve desired results after wearing the tray with gel for one hour daily or 10-15 overnight. This flexible wear time allows for patient schedules while ensuring effective bleaching.

Q4. Is it safe to bleach teeth with sensitive gums or receded gum lines?

A4. Patients with gum sensitivity can still use the tray system. It's advised to start with a low-concentration gel and increase as tolerated. The tray protects gums from the gel, minimizing irritation while allowing targeted treatment of teeth.

Q5. Can bleaching be combined with other dental treatments?

A5. Yes, bleaching can occur alongside cavity fillings, crown placements, or ortho treatment. The dentist will create a customized plan that may involve bleaching first, then other treatment so the patient can benefit from the tray and gel.

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