Teeth whitening uses bleaching gels at an appropriate concentration to break down deep stains within the tooth structure, helping teeth look noticeably whiter again, especially when performed in a clinic under a dentist’s supervision. It is suitable for people whose teeth have become dull from tea, coffee, smoking, or age, but the degree of whitening varies depending on the original tooth shade and each person’s habits.
Because of this, you should always have your teeth and gums examined by a dentist before whitening, and maintain good oral hygiene while reducing stain‑causing factors to keep your teeth whiter for longer and ensure the treatment is as safe and effective as possible.
What is teeth whitening, and which types of yellow teeth can it help with
- Teeth whitening is a procedure that uses bleaching agents (such as hydrogen peroxide or carbamide peroxide) to break down pigment molecules that have built up inside the tooth structure, making the teeth look whiter and brighter, not just by polishing away surface stains.
- It usually works well for yellow or dull teeth caused by tea, coffee, red wine, smoking, aging, or certain medications. However, if the discoloration is due to a non‑vital (dead) tooth, crowns, veneers, or old tooth‑colored fillings, whitening typically does not change the shade of these materials, so additional or alternative treatments are often needed.
Teeth whitening: how many types are there?
Whitening Method | Where It Is Done | Speed of Results | Longevity of Results | Estimated Cost |
In-Office Teeth Whitening | Dental Clinic | Fast results, often visible after 1–2 sessions | Typically lasts around 6 months to 2 years with proper care | Higher cost among the three options |
At-Home Whitening Kit (Dentist-Supervised) | At Home | Gradual whitening over several days to weeks | Can be maintained long-term with periodic touch-ups | Moderate cost, generally lower than in-office whitening |
Over-the-Counter Whitening Products | At Home | Mild whitening effect, usually requires longer use | Results tend to fade more quickly and require frequent use | Most affordable option |
How quickly does each teeth whitening method work, and how long do the results last?
- In‑clinic teeth whitening: You can usually see a noticeable difference immediately after treatment or within 1–2 sessions, and with good care and reduced tea, coffee, and smoking, the results can last around 6 months to 2 years.
- At‑home whitening kits: These take several days to a few weeks to reach their full effect, but you can perform touch‑up treatments from time to time as advised, which helps you maintain the shade in the long term.
- Over‑the‑counter products: They generally make teeth only slightly whiter, the results do not last very long, and you need to reuse them frequently if you want to maintain the whitening effect.
Prices for in‑clinic whitening are usually higher because they use higher‑concentration materials, specialized equipment, and include the dentist’s professional fee, in exchange for faster and more noticeable results.
Costs vary depending on the whitening system brand (such as POLA or ZOOM), how many sessions are needed, and whether the package includes scaling, a dental check‑up, or a home touch‑up kit. At‑home whitening kits and ready‑made over‑the‑counter products are generally more affordable, but their effects build up more gradually.
In-Office Teeth Whitening: POLA and Philips Zoom
1.Overview of in‑clinic teeth whitening
Both POLA and ZOOM are professional in‑clinic whitening systems that use high‑concentration bleaching gels under a dentist’s supervision to help teeth become whiter quickly and more safely than doing it on your own.
2.What is POLA and what are its main benefits?
POLA (such as Pola Office) uses a high‑concentration hydrogen peroxide gel that can whiten teeth within about 30–60 minutes per session. The formula contains desensitizing ingredients to help reduce post‑whitening sensitivity, making it suitable for people who are concerned about sensitive teeth, and it can be performed without necessarily needing an additional light source.
3.What is ZOOM and what are its main benefits?
ZOOM (Philips Zoom) is an in‑clinic whitening system that combines a bleaching gel with LED light to accelerate the reaction, allowing teeth to become several shades whiter in about 45–60 minutes. Many ZOOM packages also include custom home whitening trays for touch‑ups, which, when used as directed, help extend how long the whitening results last.
Comparing POLA vs ZOOM from a patient’s perspective
- Duration and speed: Both systems take around 30–60 minutes per in‑clinic session and produce visible results immediately afterwards. ZOOM is often remembered as “whitening with light that can make teeth noticeably whiter in a single visit,” while POLA focuses more on flexibility and comfort with reduced sensitivity.
- Whitening level: The final shade depends on your original tooth color and how your teeth respond, but clinical data show that ZOOM can lighten teeth by several shades, while POLA also delivers clearly whiter teeth within a standard course of treatment.
- Tooth sensitivity: Some sensitivity can occur after any whitening procedure, but many patients who choose Philips Zoom Whitening report less sensitivity than they expected and are able to return to their normal daily activities straight after treatment.
For how long do the results last?
- The results of both POLA and ZOOM typically last from several months up to around 1–2 years if you take good care of your teeth, cut down on tea, coffee, wine, and smoking, and maintain thorough daily oral hygiene.
- Using a dentist‑supervised home whitening kit or doing periodic touch‑ups as recommended by your dentist can help keep your teeth whiter for longer with either system.
Which should I choose: POLA or ZOOM?
- If both systems use light to assist the whitening process, ZOOM uses a light that is specifically engineered to work optimally with its whitening gel, which can help make the bleaching reaction more efficient and enhance the overall result.
- If you want a “light‑activated whitening with clearly visible results in a single visit,” and are happy to continue maintenance with a home touch‑up kit, ZOOM can be a very good fit.
- Ultimately, it is best to have a dentist examine your teeth, review your history of sensitivity, and consider your lifestyle so they can recommend the whitening system that is safest, most suitable, and most cost‑effective for you.
If you are still unsure which type of teeth whitening is right for you, you are very welcome to visit About Tooth Dental Clinic for a consultation with our dentists. We will assess your teeth and your lifestyle, then recommend whether POLA or ZOOM is likely to be the best match for your smile.
You can book an appointment with a dentist for consultation and an oral health assessment at About Tooth Dental Clinic. We are open at both our Siam and Punnawithi branches, conveniently located right next to the BTS stations at each location. For more information or to schedule an appointment in advance, please call 087-555-4665 or 080-481-5555, or add us on LINE Official Account at @abouttooth to chat with our team.
เปรียบเทียบ POLA vs ZOOM ในมุมคนไข้
- ระยะเวลาและความเร็ว: ทั้งสองแบบใช้เวลาทำในคลินิกประมาณ 30–60 นาที และเห็นผลหลังทำ แต่ ZOOM เน้นภาพจำ “ฟอกสีฟันพร้อมแสง ขาวได้ชัดในครั้งเดียว” ส่วน POLA เน้นความยืดหยุ่นและความสบาย ลดเสียวฟัน
- ระดับความขาว: ขึ้นกับสีฟันเดิมและการตอบสนองแต่ละคน งานศึกษาหลายชิ้นรายงานว่า ZOOM สามารถทำให้ฟันขาวขึ้นได้หลายเฉด ในขณะที่ POLA ก็ให้ผลขาวขึ้นชัดเจนภายในการการรักษาเช่นกัน
- ความเสียวฟัน: อาการเสียวฟันอาจเกิดขึ้นได้หลังการฟอกสีฟัน แต่คนไข้หลายท่านที่เลือก Philips Zoom Whitening ให้ความเห็นว่า มีอาการเสียวฟันน้อยกว่าที่กังวล และสามารถใช้ชีวิตประจำวันได้ตามปกติหลังทำค่ะ
ผลลัพธ์อยู่ได้นานแค่ไหน
- ผลลัพธ์ของทั้ง POLA และ ZOOM โดยทั่วไปอยู่ได้ราวหลายเดือนถึงประมาณ 1–2 ปี ถ้าดูแลดี ลดชา กาแฟ ไวน์ และบุหรี่ พร้อมรักษาความสะอาดฟันสม่ำเสมอ
- การใช้ชุดฟอกสีฟันที่บ้านหรือทำทัชอัปตามที่ทันตแพทย์แนะนำ ช่วยให้สีฟันขาวอยู่ได้นานขึ้นในทั้งสองระบบ
ควรเลือก POLA หรือ ZOOM ดี
- ถ้าทั้งคู่ใช้แสงช่วยในการฟอกสีฟันเหมือนกันครับ แต่ Zoom ใช้แสงที่ออกแบบมาให้ทำงานร่วมกับน้ำยาได้อย่างเหมาะสม จึงช่วยให้ผลลัพธ์การฟอกสีฟันออกมาได้ดีและมีประสิทธิภาพมากขึ้น
- ถ้าอยากได้ภาพจำ “ฟอกสีฟันพร้อมแสง เห็นผลขาวชัดในครั้งเดียว” และพร้อมดูแลต่อด้วยชุดทัชอัปที่บ้าน ZOOM จะตอบโจทย์ได้ดี
- สุดท้ายควรให้ทันตแพทย์ตรวจสภาพฟัน ประวัติเสียวฟัน และไลฟ์สไตล์ก่อน เพื่อเลือกระบบฟอกสีฟันที่เหมาะสม ปลอดภัย และคุ้มค่าที่สุดสำหรับแต่ละคน
ถ้ายังไม่แน่ใจว่าฟอกสีฟันแบบไหนเหมาะกับตัวเอง ลองเข้ามาปรึกษาทันตแพทย์ที่ About Tooth Dental Clinic ได้เลยค่ะ เราช่วยประเมินสภาพฟันและไลฟ์สไตล์ของคุณ แล้วแนะนำว่าระหว่าง POLA หรือ ZOOM แบบไหนน่าจะตอบโจทย์ที่สุดสำหรับรอยยิ้มของคุณ
สามารถนัดหมายเข้าพบทันตแพทย์เพื่อปรึกษา ประเมินสภาพช่องปากได้ที่คลินิกทันตกรรม About Tooth Dental เปิดให้บริการทั้งสาขาสยาม และสาขาปุณณวิถี เดินทางสะดวก ติดรถไฟฟ้า BTS ทั้งสองแห่ง สอบถามรายละเอียดเพิ่มเติมหรือนัดหมายล่วงหน้าได้ที่โทร 087-555-4665, 080-481-5555 หรือแอดไลน์มาคุยกับเราได้ที่ LINE OA : @abouttooth (มี @ ด้วย)
ข้อมูลอ้างอิง
- Teeth Whitening: How It Works and What to Expect. สืบค้นเมื่อวันที่ 28 พฤษภาคม 2569. จาก https://www.webmd.com/oral-health/teeth-whitening-and-bleaching
- Enlighten Evo 4 vs Philips Zoom vs Polanight Teeth Whitening. สืบค้นเมื่อวันที่ 28 พฤษภาคม 2569. จาก https://azuredentalclinic.co.uk/enlighten-evo4-vs-philips-zoom-vs-polanight-whitening-2026/
References:
1..Teeth Whitening: How It Works and What to Expect. Accessed May 28, 2026. From https://www.webmd.com/oral-health/teeth-whitening-and-bleaching
2.Enlighten Evo 4 vs Philips Zoom vs Polanight Teeth Whitening. Accessed May 28, 2026. From https://azuredentalclinic.co.uk/enlighten-evo4-vs-philips-zoom-vs-polanight-whitening-2026/
Frequently asked questions about teeth whitening (FAQs)
Q: Which teeth whitening method is better – in‑clinic or at home?
A: In‑clinic whitening uses higher‑concentration gels and gives noticeable results in one or a few sessions, making it suitable if you want fast results with close dentist supervision. At‑home whitening kits gradually lighten the teeth over several days to weeks, but are more convenient and usually more affordable. You should choose based on your budget, available time, and your dentist’s recommendation.
Q: How long do teeth whitening results last?
A: Professional whitening results typically last about 6 months to 2 years if you take good care of your teeth and avoid frequent tea, coffee, wine, and smoking. If you have habits that cause staining easily, the whiteness may fade more quickly and you may need periodic touch‑ups.
Q: Does teeth whitening hurt, and will my teeth become very sensitive?
A: The procedure itself is usually not painful, but you may experience temporary tooth sensitivity, especially in the first 24–48 hours. This sensitivity normally improves on its own, and dentists often recommend desensitizing toothpaste or gels on sensitive areas to make you more
Q: Is teeth whitening harmful? Will it make my teeth thinner?
A: When whitening is done with professional products under a dentist’s supervision, with the gel concentration and exposure time tailored to your teeth, it is considered safe and does not permanently thin the enamel. The main issue is usually temporary sensitivity. However, whitening on your own with very strong products or doing it too frequently can increase the risk of gum irritation and enamel damage.
Q: What is the difference between POLA and ZOOM, and which should I choose?
A: POLA is an in‑clinic whitening system with built‑in desensitizing ingredients and can be done without light activation, so it is a good option if you are worried about sensitivity or prefer a gentler approach. ZOOM combines whitening gel with LED light and can make teeth several shades whiter in a single session, making it ideal if you want a very noticeable result and can accept a slightly higher chance of temporary sensitivity. It is best to have your dentist assess your teeth and budget before choosing.
Q: How much does teeth whitening cost, and why are prices different at each clinic?
A: The overall cost depends on several factors, such as the whitening system brand (for example, POLA or ZOOM), whether it is done in‑clinic or as a home kit, how many sessions are needed, and whether the package includes scaling, a dental check‑up, or any touch‑up guarantee. These differences explain why prices vary between clinics, so it is wise to consider both the quality of materials and the dentist’s expertise when deciding.
Q: After whitening, can I still drink tea and coffee or smoke?
A: After whitening, it is usually recommended to avoid tea, coffee, red wine, dark soft drinks, and smoking for at least the first 24–48 hours, because your teeth can pick up stains more easily during this period. After that, you can consume them again, but try to cut down, drink water afterwards, and keep your teeth very clean to reduce re‑staining and help your whitening results last longer.
