Tooth discoloration and staining can make many people feel self-conscious in daily communication, even when maintaining regular oral hygiene. Common causes include dietary habits, smoking, and individual biological factors.
For this reason, many patients choose teeth whitening to restore a naturally brighter, whiter smile. In the article below, Smilux Dental will provide a detailed overview of this treatment method.
Teeth whitening is a cosmetic dental procedure that improves tooth color by using specialized whitening agents in combination with a light activation source.
When exposed to light, these agents trigger an oxidation reaction that breaks down stain-causing molecules accumulated deep within the dentin layer. As a result, the teeth become noticeably brighter and whiter compared to their original shade.
Teeth whitening can be performed either in a dental clinic or at home under a dentist’s supervision. Depending on the degree of tooth discoloration and aesthetic expectations, each method differs in procedure and level of effectiveness.
In-office teeth whitening is performed directly by a dentist using whitening agents such as Hydrogen Peroxide or Carbamide Peroxide at carefully controlled concentrations.
With the combination of professional-grade whitening gels, advanced equipment, and standardized clinical protocols, this method provides safer and more effective results compared to conventional whitening approaches.
Laser teeth whitening: This technique uses laser light energy to activate a peroxide-based whitening gel. The laser accelerates the oxidation process, breaking down stain-causing molecules within the tooth structure and delivering rapid whitening results.
Plasma light teeth whitening: This method utilizes plasma light to activate peroxide agents in the whitening gel. Once activated, peroxide decomposes into free radicals that penetrate the enamel and break down pigmented molecules accumulated in the dentin layer.
Whitening for non-vital (root canal–treated) teeth: In cases of non-vital teeth, discoloration often occurs internally due to the loss of pulpal vitality. Conventional whitening methods are usually ineffective. In such situations, internal bleaching is required, where the whitening agent is placed inside the pulp chamber after proper root canal treatment and infection control.
At-home teeth whitening using custom trays is a method prescribed by dentists for patients who want to improve tooth color safely under professional guidance.
The dentist will take dental impressions to fabricate a customized whitening tray for each patient. This ensures proper contact between the whitening agent and the tooth surface while minimizing leakage onto the gums.
Once the trays are ready, patients will receive detailed instructions on how to use them at home, including the appropriate amount of whitening gel, daily wearing time, and proper oral hygiene throughout the treatment process.
Whitening strips use low-concentration agents such as Hydrogen Peroxide combined with an adhesive layer that allows the strips to adhere to the tooth surface. Since they are not activated by professional light-based devices, their whitening effectiveness is generally lower than in-office treatments.
The main advantages of whitening strips are ease of use, affordability, and convenience for at-home application. However, the results are often less noticeable and may not last long, especially in cases of moderate to severe tooth discoloration.
“Is teeth whitening recommended?” or “Is teeth whitening safe?” are common questions among patients visiting Smilux Dental for consultation.
In fact, if you are dissatisfied with yellowing or discolored teeth and it affects your confidence in daily communication, teeth whitening can be a suitable option to consider.
When performed at a reputable dental clinic by qualified professionals, this procedure is considered safe. Whitening agents primarily target stain-causing molecules without damaging the enamel or altering the natural tooth structure.
Additionally, teeth whitening is a non-invasive treatment compared to procedures such as dental crowns or dental implants. Therefore, it does not harm tooth tissues and rarely causes complications when carried out according to proper clinical protocols.
The primary benefit of teeth whitening is the improvement of yellowing and discoloration, resulting in a brighter smile and enhanced overall aesthetics.
However, not everyone is a suitable candidate for this procedure. In certain cases, dentists may advise against teeth whitening to ensure the safety of both teeth and gums. Specific indications and contraindications are outlined as follows:
The cost of teeth whitening in 2026 typically ranges from 1,500,000 to 6,000,000 VND, depending on the chosen method and the condition of each patient’s teeth.
In-office laser whitening is generally more expensive than at-home whitening with custom trays prescribed by a dentist.
Below is the updated teeth whitening price list at Smilux Dental for your reference:
| Service | Listed Price | Promotional Price |
| At-home whitening (2 gel syringes) | 2.500.000 VND | 2.000.000 VND |
| In-office sensitivity-free whitening (WhiteMax) | 3.500.000 VND | 3.000.000 VND |
| Combination whitening (at-home 2 syringes & WhiteMax in-office) | 5.000.000 VND | 4.000.000 VND |
| Custom whitening tray impression (excluding gel) | 1.100.000 VND |
Note: The above pricing is for reference only. Please fill out the form below to receive a free consultation and personalized treatment plan with transparent pricing.
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Currently, Smilux Dental offers both in-office teeth whitening and at-home whitening under a dentist’s supervision.
Regardless of the method chosen, all whitening procedures at Smilux follow standardized dental protocols and are closely monitored by dentists to ensure safety for both teeth and gums, while delivering stable and predictable whitening results.
Below is the standard teeth whitening process at the clinic:
Smilux International Dental Clinic is a reputable dental center licensed by the Department of Health, meeting all safety standards for examination and treatment.
In addition to professional teeth whitening services, Smilux provides comprehensive dental care solutions, including dental implants, porcelain crowns, tooth extractions, scaling and polishing, and cosmetic dental procedures.
All whitening procedures at Smilux are developed according to strict clinical protocols, ensuring noticeable improvement in tooth color while effectively controlling sensitivity. A team of dentists with over 15 years of experience directly performs and monitors each case, providing patients with confidence throughout the treatment process.
The clinic is equipped with modern technology and fully sterilized treatment rooms, minimizing the risk of cross-contamination. FDA-approved whitening agents help enhance tooth shade efficiently while reducing treatment time and maintaining enamel safety.
Additionally, the clinic is designed to 5-star standards, offering a comfortable and private environment—ideal for patients who prioritize safety, aesthetics, and high-quality dental care.
If you are experiencing tooth discoloration and feel less confident when smiling, yet still have concerns about sensitivity or safety, let Smilux support you on your journey. Fill out the form below to receive a free 1:1 consultation with a Smilux Dental specialist.
After teeth whitening, the enamel may become more sensitive during the initial period. Without proper care, teeth can easily become stained again. Therefore, patients should follow these recommendations:
Teeth whitening at Smilux Dental delivers noticeable shade improvement, helping brighten your smile by 2 to 3 shades through the use of advanced technology combined with personalized treatment protocols tailored to each case.
The procedure is closely supervised by dentists to ensure safety, minimize sensitivity, and accommodate various levels of discoloration. This allows patients to enhance aesthetics while maintaining the natural strength of their enamel.
Contact Smilux Dental today via HOTLINE (+84) 66 251 379 for support and appointment booking, and take the first step toward a brighter, more confident smile.
References:
1. https://pmc.ncbi.nlm.nih.gov/articles/PMC4058574/
2. https://www.nhs.uk/tests-and-treatments/teeth-whitening/
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