Teeth whitening with cold light: features of the procedure

Often, dental patients are offered a new method - lamp teeth whitening. Whitening is carried out with a LED lamp with cold light. Many people confuse this procedure with a procedure that uses an ordinary incandescent lamp, refusing to bleach using this method. Previously used lamps contributed to cracking of tooth enamel, spoiling it and causing a lot of unpleasant sensations. The impact of an LED lamp on tooth enamel occurs differently. What is this whitening method and how does it work?

System Features

To lighten teeth, a gel based on 35% hydrogen peroxide and a special lamp that generates light in the blue spectrum are used. Under the influence of high-frequency light waves, active oxygen is released from the gel, which penetrates into the deep layers of enamel and discolors accumulated pigments. The device’s lamp combines LED (Light Emitted Diode) technologies without heating and halogen light (Light Bridge) to enhance the effect. A complex system for filtering the supplied light includes special optical fibers and lenses, and protective coatings. 12 stages of protection allow you to obtain an output light flux with a wavelength of 520 nm. This is a cool range that is safe for enamel. The beam temperature is no more than 38 degrees. Unlike ZOOM whitening, there is no harmful ultraviolet radiation, which causes heating of dental tissues and increases tooth sensitivity. The procedure does not have a negative effect on the gums and teeth.

KonevaSvetlana Sergeevna

Dental hygienist, 5 years of experience

Specialist in safe whitening and color restoration of teeth enamel using the American Amazing White and Beyond Polus systems.

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“Beyond Pole” is an improved professional whitening system with expanded functionality. Unlike other devices, it has several operating modes. The light intensity is selected for each clinical case. Individual settings allow for gentle teeth whitening even with enamel damage or intense pigmentation. In the Beyond Polus system, the whitening gel is pre-mixed with a specially developed composition that neutralizes the harm of hydrogen peroxide directly during the procedure. The remineralizing components of the composition strengthen the enamel and reduce its sensitivity.

Despite the safety of Beyond Polus, violation of the technique can provoke demineralization of the enamel or “over-whitening” (an unnatural white tint). It is important to take seriously the issue of choosing a clinic and specialist. In our Center, the procedure is carried out by experienced hygienists who strictly follow the protocol. An individual regimen will be selected for you depending on the permeability of the enamel, the degree of staining, taking into account the problem that led to the need for teeth whitening.

This is one of the photobleaching methods

Photo whitening allows you to radically transform your smile in just one visit to the dentist. The technology is also called “light”, since during its implementation the doctor acts on the tooth pigment through lamps emitting cold or hot light.

The principle of removing pigment from enamel is similar in all photobleaching methods. It is assumed that a gel with hydrogen peroxide or urea (reagent) and light (catalyst) will be used. Under the influence of a light lamp, the gel releases active oxygen, which penetrates deep into the tissue and removes pigment.

Benefits of Beyond Polus whitening

The cold whitening technique has undergone numerous tests and is found to be effective and completely safe for health.

  • Effective Whitening effect up to 10 tones depending on the initial situation. The result lasts up to 5 years if the recommendations are followed.
  • Safe The cold light system in the lamp and the special gel composition ensure gentle whitening without tissue burns or tooth sensitivity.
  • Fast The procedure lasts 30 minutes - 3 illumination sessions of 10 minutes each. Just half an hour during one visit for a snow-white smile.
  • Comfortable Does not cause pain during the procedure. Individual settings are selected based on the degree of tooth sensitivity.

Beyond Polus is one of the safest whitening systems

Does not involve harmful ultraviolet or infrared radiation. Does not cause overheating of dental tissues, burns of mucous membranes and unnecessary tanning around the lips. The optimal range of light flux, individual settings, and the use of gel with protective components make the procedure as gentle as possible. Suitable for the most sensitive teeth.

Levin Dmitry Valerievich Chief physician and founder of the Doctor Levin center

Allows you to lighten teeth by 6–10 shades

Teeth whitening without heat or laser is safer than with it. However, the effect of using this technology will not be so impressive: not 8–12, but 6–10 tones. The maximum positive result can be achieved if darkening or yellowing of the enamel was caused by smoking, consumption of food and drinks with dyes, or age-related changes.

Some doctors do not advise teeth whitening with cold light if the enamel has a natural gray tint, because then the maximum that can be achieved will be only 2-3 tones.


A smile can be lightened by 6–10 tones

Indications

Cold whitening with a Beyond Polus lamp is performed in cases of tooth discoloration due to various factors

The main reasons why patients come to our Center:

  • Taste preferences - color changes as a result of frequent consumption of coloring products, smoking
  • Age-related changes - the enamel becomes thin, opaque, darkens as a result of the production of secondary dentin
  • Fluorosis is the formation of colored spots or stripes on the enamel as a result of an excess of fluoride in the body
  • Tetracycline teeth - stains due to uncontrolled antibiotic use in utero or childhood

Stages of the procedure

The procedure itself is carried out in one visit for half an hour. If plaque, stones on the teeth, or inflammatory processes in the oral cavity are detected, preparatory measures are carried out first

Preparation

Whitening is preceded by a preparatory stage, which is aimed at eliminating obstacles to the procedure and ensuring the proper result. Mandatory includes an examination of the oral cavity and diagnostics. If necessary, the following is prescribed:

  • professional teeth cleaning from soft and hard plaque
  • treatment of dental diseases
  • remineralization of enamel to strengthen it

3-7 days before whitening, it is recommended to brush your teeth only with white toothpaste, and also to exclude from your diet foods that can stain the enamel (coffee, wine, carbonated drinks, ketchup, carrots, beets, chocolate).

How is whitening performed?

  1. Preparation The patient's eyes are protected with special glasses. A retractor is fixed in the mouth. The lips are lubricated with cream, and a liquid rubber dam is applied to the gums to protect the mucous membrane from the chemical components of the drug.
  2. Whitening Teeth are coated with 35% hydrogen peroxide gel with protective components. The composition is illuminated with a Beyond Polus lamp for 10 minutes. The stage is repeated 3 times; before each application of the gel, the previous layer is removed.
  3. Strengthening enamel A remineralizing agent containing calcium, phosphorus and other components is applied to the teeth. Prevents enamel fragility, helps strengthen it, protects teeth from sensitivity.

Clinical researches

Clinical studies have proven that regular use of professional toothpaste ASEPTA PLUS Gentle whitening for a month allows you to lighten tooth enamel by 1.5 tones, increases anti-caries effectiveness by 3.4 times and increases enamel remineralization by 2.6 times.

Sources:

  1. Report on determining/confirming the preventive properties of toothpaste “ASEPTA PLUS” GENTLE WHITENING” Author: doctor-researcher A.A. Leontyev, head Department of Preventive Dentistry, Doctor of Medical Sciences, Professor S.B. Ulitovsky First St. Petersburg State Medical University named after. acad. I.P. Pavlova, Department of Preventive Dentistry
  2. Report on the determination/confirmation of the preventive properties of personal oral hygiene products “ASEPTA PLUS” Remineralization doctor-researcher A.A. Leontyev, head Department of Preventive Dentistry, Doctor of Medical Sciences, Professor S.B. Ulitovsky First St. Petersburg State Medical University named after. acad. I.P. Pavlova, Department of Preventive Dentistry
  3. Clinical studies of antisensitive toothpaste “Asepta Sensitive” (A.A. Leontyev, O.V. Kalinina, S.B. Ulitovsky) A.A. LEONTIEV, dentist O.V. KALININA, dentist S.B. ULITOVSKY, Doctor of Medical Sciences, Prof. Department of Therapeutic Dentistry, St. Petersburg State Medical University named after. acad. I.P. Pavlova
  4. The role of anti-inflammatory rinse in the treatment of periodontal diseases (L.Yu. Orekhova, A.A. Leontyev, S.B. Ulitovsky) L.Yu. OREKHOVA, Doctor of Medical Sciences, Prof., Head of Department; A.A. LEONTIEV, dentist; S.B. ULITOVSKY, Doctor of Medical Sciences, Prof. Department of Therapeutic Dentistry of St. Petersburg State Medical University named after. acad. I. P. Pavlova
  5. Report on determining/confirming the preventive properties of toothpaste “ASEPTA PLUS” COFFEE and TOBACCO Author: doctor-researcher A.A. Leontyev, head Department of Preventive Dentistry, Doctor of Medical Sciences, Professor S.B. Ulitovsky. First St. Petersburg State Medical University named after. acad. I.P. Pavlova, Department of Preventive Dentistry

Contraindications

Beyond Polus technology is safe for enamel, but some patients should refrain from whitening procedures, not only with this system

Among the absolute contraindications:

  • age up to 16 years
  • allergy to the components of the drug
  • period of pregnancy or lactation in women
  • serious health problems (malignant neoplasms, pathologies of the circulatory, cardiovascular, immune systems)

Relative restrictions that need to be corrected before the whitening procedure include:

  • open caries, pulpitis
  • periodontal tissue diseases
  • enamel cracks
  • outdated fillings with poor fit

How to prolong the whitening effect

On average, after bleaching Beyond Polus, enamel remains white for one year. However, this indicator depends on subsequent oral care and compliance with specialist recommendations:

  • during the first 3-4 hours after the session you cannot eat;
  • It is advisable not to smoke for a day;
  • women should refrain from applying bright lipstick to their lips for three days;
  • for two weeks, exclude foods that can stain the enamel - chocolate, coffee, wine, beets, carrots, carbonated drinks;
  • Brush your teeth regularly - at least twice a day with a special toothpaste prescribed by your doctor.

The e-Bright system specially developed by Beyond for home use allows you to significantly extend the whitening effect. It complements the desk procedure and is aimed at consolidating the results obtained. The set includes a gel and a dental guard with built-in LED lights. The home course should begin 2-3 weeks after the clinical course. The idea is to apply the drug to the teeth and wear the mouth guard for 20 minutes. Performed once a day for 8-10 days.

Whitening dental strips

Whitening strips are one of the most affordable products that can be purchased at any pharmacy. At their core, these are narrow strips of polyethylene, with a layer of brightening composition applied to the inside, in which the main active component will be hydrogen peroxide with a content of up to 10%. The strips are sold in sets, which contain separate stickers for the upper and lower dentition.

There is nothing complicated in using the product: just attach the strips to the outside of the teeth and leave for half an hour. During this time, the brightening substance will begin to act, triggering chemical reactions in the enamel coating that will gradually destroy the colored pigments. Strips are used for teeth whitening in a course, the average duration of which can be up to 14 days. It is advisable to use the stickers twice a day - in the morning and in the evening, so the positive effect will come much faster.

If you believe the reviews of the strips from people who have tried them from personal experience, then there is no particularly pronounced whitening effect from their use, but there is a high probability of encountering negative side effects, among which buyers of the product mention burns and inflammation of the gums, increased sensitivity of teeth to to various external stimuli.

Alternative whitening systems

Our Center uses another safe teeth lightening technology - Amazing White, also from an American manufacturer. Like Beyond Polus, cold whitening technology is used. But Amazing White uses a gel with a lower concentration of the active substance - 16%. The lightening intensity is correspondingly lower - by 3-6 tones. Since our Center specializes in implantation and surgery, this system is ideal for teeth whitening even in the postoperative period without irritating the mucous membranes. Suitable when you want to get an immediate aesthetic effect soon after surgery.

We do not use the advertised Zoom technology, despite the same effectiveness as Beyond Polus. The system is not safe for tooth enamel. The technology is based on a gel with a peroxide concentration of 25% and a UV lamp with thermal radiation. Overheating of the enamel-dentin layer is possible, which is accompanied by prolonged increased sensitivity of the teeth. In addition, preparation for the procedure requires special scrupulousness in order to protect the mucous membranes from burns and prevent unnecessary tanning around the lips.

LED lamp and its advantages

The main advantage of using LED lamps for teeth whitening is that there is no threat to the patient’s health. This method has passed all tests and is considered one of the safest. The rays that are reproduced by the lamp pass through a special filter, the task of which is to neutralize the harmful effects of infrared waves and ultraviolet radiation. Thus, the enamel surface is exposed to a temperature no higher than 37.6ºC. In addition, other advantages of this procedure can be noted:

  1. Short time for the whitening procedure.
  2. The ability to get the desired result the first time.
  3. The gel used contains components that help reduce sensitivity to the procedure.
  4. The effectiveness of the system makes it possible to eliminate defects such as age-related darkening and darkening caused by fluorosis.

The disadvantage of the teeth whitening procedure with an LED lamp can be considered the cost of the session, the price of which varies between 7,000 and 20,000 rubles and a large list of contraindications.

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