Real cases from our clinic
Patients of Dr Haim Aseriel, photographed at the clinic and shared with their consent. Drag the line across the photo to compare.
Dental veneers
- Real patients of the clinic
- Published with patient consent
- Every result is individual
Why do teeth turn yellow? The causes of yellow teeth
Yellow teeth come from stains on the surface of the tooth, or from changes in the structure of the tooth itself, both in the enamel and in the dentin underneath.
Surface stains
- Coffee, tea and red wine
- Cola and other staining foods
- Smoking and tobacco products
- Frequent use of chlorhexidine mouthwashes
- Plaque building up between the teeth
On the enamel surface: usually respond well to professional cleaning and whitening.
Internal changes
- Age: the dentin thickens and yellows, and the enamel becomes thinner and more translucent
- Enamel wear, which exposes the yellowish dentin
- Medications: tetracyclines given in childhood
- Too much fluoride in childhood (fluorosis)
- A dental injury, a dead nerve or an older root canal treatment
Inside the tooth: respond less to whitening, and sometimes need longer whitening, internal whitening, a veneer or a crown.
Dentin is naturally yellowish to ivory, so it shows through more as the enamel thins with age or wear, at a pace that depends on genetics and lifestyle. The pigments in coffee, tea and wine bind to the thin protein film that coats the enamel, while tobacco stains settle deeper and are harder to remove. Tetracyclines given while the teeth were forming stain the dentin itself gray-brown or blue-gray, and this kind of internal discoloration does not respond to surface whitening. A tooth that darkens a lot may also be a sign of a problem: see black stains on teeth.
How to get rid of yellow teeth
Treatment is chosen according to the cause of the discoloration: above all, whether the stains are on the surface of the enamel or deeper inside the tooth, which needs longer or different treatment.
01
In-office whitening
For mild to moderate yellowing, one option is professional teeth whitening at the clinic: a gel with a high concentration of hydrogen peroxide or carbamide peroxide, which some clinics combine with LED or laser light; this clinic does not use lasers. The whitening agent breaks down into free radicals that oxidize the pigment molecules into smaller, lighter fragments. According to the ADA, the benefit of light activation is not clear-cut, and a lower concentration of whitening agent is associated with less sensitivity. Temporary, mild to moderate sensitivity is common at the start and affects up to two thirds of patients.
02
Porcelain veneers and crowns
More complex cases of deep discoloration, such as severe tetracycline stains, discoloration after a root canal treatment or severe enamel wear, may need cosmetic dentistry solutions: thin porcelain veneers, or all-ceramic crowns in monolithic zirconia or E.max, which recreate the natural color and translucency of healthy teeth. Veneers usually require only minimal preparation of the tooth.
03
Supervised at-home whitening
For a more conservative option, the clinic provides custom at-home whitening kits: trays made to fit your teeth with a gel at a suitable concentration. This takes longer, usually several weeks, but gives you control over the process, and the lower concentration may reduce temporary tooth sensitivity. A whitening toothpaste, by contrast, mainly removes surface stains.
With at-home whitening, the dentist explains how long to wear the trays each day and checks your progress at short follow-up visits.
Examination, treatment plan and price quote
detailed and personalized
During the consultation, Dr Haim Aseriel examines your teeth, explains all the options and gives you a transparent price quote, with no obligation. The clinic is at 12 HaTnufa Street, Jerusalem.
How to prevent yellow teeth
Preventing yellow teeth depends directly on daily oral hygiene and diet.
1. Brush gently, the right way
The American Dental Association (ADA) recommends brushing twice a day for two minutes with a fluoride toothpaste and a soft-bristled brush: hold the brush at a 45-degree angle to the gumline and move it gently in short strokes. Brushing too hard can make things worse, because worn enamel becomes more translucent and reveals the yellowish dentin underneath.
2. Floss and clean between the teeth
Daily flossing, together with interdental brushes in sizes suited to the spaces between your teeth, removes plaque where a toothbrush cannot reach. Plaque left there leads not only to tooth decay and gum disease but also to local discoloration. Frequent use of mouthwashes containing chlorhexidine or other antibacterial agents can cause brown surface stains, so use them only as directed by your dentist or dental hygienist, and for limited periods.
3. Cut down on staining drinks
Drinking less coffee, black tea, red wine and cola, or at least using a straw to limit contact with the teeth, helps prevent surface stains. Rinsing your mouth with water right afterwards shortens the time pigments stay on the enamel. Smoking is one of the most harmful habits, not only for the look of your teeth but also for your gums, and quitting is a major step in keeping their natural shade. Watch out too for white spots on teeth, which can be an early sign of demineralization or fluorosis.
How is the right treatment for yellow teeth chosen?
A dental examination is the first step before any whitening or cosmetic treatment. At the clinic, the assessment compares your tooth color with a standard shade guide, checks how translucent the enamel is to judge how well whitening could work, looks at how your teeth relate to your lips and checks the gums and supporting tissues. This helps understand your expectations and propose a plan that takes both the clinical and the esthetic sides of your smile into account.
At the clinic, a 3D intraoral scanner records your teeth digitally, and when a cosmetic restoration is planned, digital smile design (DSD) shows you the expected result in advance.
At-home whitening trays are made to fit your own teeth, so the gel spreads evenly and stays off the gums.
At the consultation, held in English, the different whitening and cosmetic options are presented with the advantages and limits of each, and you receive a detailed written quote. The clinic's approach puts the emphasis on preserving as much natural tooth structure as possible.
Natural teeth whitening, whose effectiveness and safety are limited, can complement professional treatment but does not replace it when the discoloration is significant.
The clinic is at 12 HaTnufa Street in Talpiot, south Jerusalem; hours: Sun 8:00–19:00 · Mon 9:00–19:00 · Tue–Wed 9:00–21:00 · Thu 8:30–21:00 · Fri 8:00–14:00. Read patient reviews or learn more about Dr Haim Aseriel.
Yellow teeth: frequently asked questions
Whitening toothpaste mainly removes surface stains, using mild abrasives, and does not change the internal color of the tooth, such as the yellowing that comes with age. According to the American Dental Association (ADA), changing the shade of the tooth itself requires peroxide-based whitening, at the clinic or at home under your dentist's supervision.
Not every kind of discoloration responds to whitening. Surface stains from coffee, tea or smoking usually respond well, but internal discoloration (tetracycline, fluorosis, a damaged nerve) responds less and sometimes needs longer whitening, internal whitening or veneers. Crowns, veneers and fillings do not lighten with whitening.
Teeth whitening often causes temporary sensitivity: according to the American Dental Association (ADA), mild to moderate sensitivity affects up to two thirds of patients at the start of treatment and usually goes away. A lower concentration of whitening agent is associated with less sensitivity.
A tooth that darkened after damage to the nerve or after a root canal has internal discoloration, which responds less to ordinary whitening. In such cases your dentist may suggest internal whitening of the tooth, a veneer or a crown, depending on the examination.
Yes. Smoking cigarettes or other tobacco products leaves stubborn tar and nicotine stains that penetrate the porous structure of the teeth and are particularly hard to remove. Quitting is a major step in keeping the natural shade of your teeth, and it also protects your gums.
Sources
- American Dental Association, Whitening (Oral Health Topics), 2022 – View the page
- American Dental Association, Home Oral Care (Oral Health Topics), 2024 – View the page
- ADA MouthHealthy, Brushing Your Teeth – View the page
