Scaling and polishing are often mentioned together, but they do two different jobs during a dental cleaning. Scaling removes plaque and hardened tartar from the teeth and around the gums, while polishing smooths the tooth surfaces and can reduce certain surface stains. You may have both during one visit, but one procedure does not replace the other.
Knowing what each procedure actually does can also explain why The dentist recommends one, the other, or both.
What Is Dental Scaling?
Dental scaling removes plaque and tartar that have built up on the teeth, particularly around the gumline and in areas that are difficult to clean at home.It is particularly useful when hardened deposits cannot be removed with routine brushing and flossing.
Plaque starts as a soft, sticky bacterial film on the teeth. With time, minerals in saliva can harden it into tartar, also called calculus. Unlike plaque, tartar attaches firmly to the tooth and cannot be removed effectively with a toothbrush or floss.
For more detail, see our guide to plaque vs tartar.
What Does Scaling Remove?
During scaling, your dental professional may remove buildup from several areas, including:
- Plaque buildup
- Tartar or dental calculus
- Bacterial deposits near the gumline
- Deposits between teeth
- Deposits below the gumline when clinically indicated
A dentist or dental hygienist may use hand instruments, an ultrasonic scaler, or a combination of techniques. The method depends on the amount and location of the buildup and the patient’s individual needs.
Why Is Dental Scaling Important?
Scaling helps remove deposits that can make it harder to keep the teeth and gums clean at home. Tartar also provides a rough surface where additional plaque can accumulate.
Without appropriate professional care, plaque and tartar buildup can be associated with:
- Red or swollen gums
- Bleeding during brushing or flossing
- Persistent bad breath
- Gingivitis
- Progression of gum disease
- Damage to the tissues and bone supporting the teeth in advanced periodontal disease
Professional cleaning is not a substitute for brushing and interdental cleaning, but removing accumulated deposits gives you a cleaner surface to maintain at home.
What Is Teeth Polishing?
Polishing is usually the finishing part of a cleaning. It smooths the tooth surfaces and can help remove some stains left by coffee, tea, tobacco, and other foods or drinks.
It is generally performed after scaling when polishing is appropriate for the patient’s oral health.
A dental professional typically uses a polishing cup or brush together with a polishing paste. Unlike scaling instruments, polishing equipment is not intended to remove firmly attached tartar.
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What Does Polishing Do?
Polishing can make teeth feel smoother and may improve their appearance by removing some superficial discoloration.
It can help with certain external stains associated with:
- Coffee
- Tea
- Tobacco
- Red wine
- Dark-colored foods and beverages
Polishing only works on stains sitting on the outside of the tooth. It does not bleach the tooth itself or produce the colour change associated with professional whitening.
Does Polishing Remove Tartar?
No. Polishing does not remove hardened tartar. Once plaque has mineralized and attached firmly to the tooth, it requires professional scaling for removal.
In other words, polishing can complement scaling, but it cannot take its place when tartar needs to be removed.
If tartar is present, polishing alone will not provide the same result as professional scaling.
Scaling vs Polishing: What’s the Difference?
The simplest way to tell them apart is to look at what they remove: scaling tackles plaque and tartar, while polishing deals mainly with the tooth surface and certain external stains. Scaling focuses on removing plaque and hardened deposits, while polishing focuses on smoothing tooth surfaces and removing certain surface stains.
| Feature | Scaling | Polishing |
|---|---|---|
| Main purpose | Removes plaque and tartar | Smooths tooth surfaces and removes certain surface stains |
| Removes hardened tartar | Yes | No |
| Removes some surface stains | Sometimes | Yes |
| Removes deposits near the gumline | Yes | No |
| Supports gum health | Yes | Indirectly |
| Changes natural tooth colour | No | No |
| May be performed by | Dentist or dental hygienist | Dentist or dental hygienist |
How Scaling and Polishing Work Together
Think of the two procedures as having different jobs within the same cleaning.
Scaling deals with deposits that have accumulated on the teeth and around the gums. Polishing can then smooth the cleaned tooth surfaces and remove certain stains that remain.
For example, a patient with visible tartar along the gumline may need scaling to remove those deposits. If coffee stains remain on the tooth surfaces afterward, polishing may help reduce that external discoloration.
If tartar is present, polishing alone will not remove it. And while scaling can take care of the buildup, polishing may still be useful for smoothing the cleaned tooth surfaces and reducing certain stains.
Is Scaling More Important Than Polishing?
When tartar is present, scaling is necessary to remove the hardened deposits because polishing cannot do this. Polishing may still be useful, but its role is different.
Whether polishing should be performed depends on the patient’s teeth, gums, staining, restorations, and other clinical considerations. A dental hygienist can determine which approach is appropriate during the cleaning.
Does Every Dental Cleaning Include Scaling and Polishing?
No. Not every dental cleaning requires both scaling and polishing. The procedures included in an appointment depend on the patient’s oral health and what the dental team finds during the visit.
Some patients have noticeable tartar and may need scaling. Others have minimal buildup but have external staining that could benefit from polishing. In some cases, polishing may be limited or omitted because it is not expected to provide a meaningful clinical benefit.
Can You Have Polishing Without Scaling?
Yes. Polishing can be performed without extensive scaling when there is little or no tartar that needs to be removed. However, polishing cannot substitute for scaling when hardened deposits are present.
That is why two patients sitting in the dental chair for a “cleaning” may not receive exactly the same procedures.
When Are Both Scaling and Polishing Used?
Both procedures may be performed when a patient has a combination of plaque or tartar buildup and external staining.
For example, a routine cleaning may involve:
- Removing plaque and tartar through scaling.
- Polishing the tooth surfaces when appropriate.
- Cleaning between the teeth.
- Reviewing home-care habits.
- Providing fluoride or other preventive care when clinically indicated.
If you are due for preventive care, a dental cleaning in Newmarket can help your dental team assess buildup and provide care based on your individual needs.
When Might Polishing Be Limited or Skipped?
Polishing is not automatically required at every cleaning. A dental professional may modify or avoid polishing when it is unlikely to provide a useful benefit or when specific clinical factors need to be considered.
These factors may include:
- The condition of the tooth enamel
- Certain types of dental restorations
- The type and location of staining
- Existing oral health concerns
- The patient’s individual treatment plan
A professional cleaning should be based on clinical findings rather than treating polishing as a mandatory step for every patient.
What Happens During a Typical Dental Cleaning?
A dental cleaning does not follow exactly the same sequence for everyone, but a routine visit often includes several familiar steps.
Oral Examination
The visit usually starts with a look at the teeth and gums. Your dental team checks for buildup, gum changes, and other areas that may need attention.
Scaling
Scaling removes plaque and tartar from the teeth and along the gumline. If deposits extend below the gumline or there are signs of periodontal disease, additional treatment may be needed rather than a routine cleaning alone.
Polishing
When appropriate, the teeth are polished to smooth the surfaces and remove certain external stains.
Interdental Cleaning
Floss or another interdental cleaning method may be used to remove debris and plaque from areas between the teeth.
Oral Hygiene Advice
Your dental team may discuss brushing technique, flossing, interdental cleaning, or other home-care measures based on what they see during the appointment.
Fluoride Treatment
Depending on your risk of tooth decay and other clinical factors, your dentist may also recommend a fluoride treatment.
The cleaning can be adjusted to your oral health, the amount of buildup, existing dental work, and other findings from the visit.
The cleaning process can be adjusted according to the condition of the teeth and gums, the amount of buildup, existing dental work, and other clinical findings.
For a more detailed explanation, read What Happens During a Professional Teeth Cleaning?
How Can You Reduce Plaque and Tartar Buildup?
Regular brushing, cleaning between the teeth, and routine dental care can help control plaque and reduce the buildup that can eventually harden into tartar. Once tartar has formed, however, professional removal is needed.
Helpful daily habits include:
Brush twice a day with fluoride toothpaste.
Clean between your teeth regularly.
Pay attention to the gumline when brushing.
Follow your dental professional’s recommendations for oral hygiene.
Keep regular dental appointments based on your individual needs.
Daily brushing and interdental cleaning help control plaque between appointments, while professional cleaning takes care of hardened deposits that home care cannot remove.
Scaling vs Polishing: Which One Do You Need?
There is no single cleaning routine that fits every patient. If tartar has formed, scaling is needed to remove it. Polishing may then be added when surface stains or tooth-surface texture make it useful.
Many patients receive both during a professional cleaning, but the combination is not identical for everyone.
Your dentist or dental hygienist can assess your teeth, gums, deposits, staining, and restorations before deciding which cleaning techniques are appropriate.
If you need a dentist in Newmarket for a lost or loose crown, contact Copperhills Family Dentistry at (905) 235-2222 to arrange an assessment.
Medically Reviewed by Dr. Reza Sartipi
Frequently Asked Question
Scaling is the procedure used to remove tartar. Tartar is hardened plaque that adheres to the tooth and cannot be effectively removed with regular brushing, flossing, or polishing. Polishing can smooth the tooth surface and remove some external stains, but it is not designed to remove hardened calculus.
Polishing can make teeth look cleaner by removing certain external stains from substances such as coffee, tea, tobacco, or dark-coloured foods. It does not bleach the tooth or change its natural internal colour. If you want to change the overall shade of your teeth, talk with your dentist about whether professional teeth whitening is appropriate.
When performed properly by a trained dental professional, scaling is designed to remove plaque and calculus without unnecessarily damaging healthy tooth structure. Your dental professional selects appropriate instruments and techniques based on the deposits present and your oral health.
There is no single schedule that applies to everyone. The appropriate frequency depends on factors such as plaque and tartar buildup, gum health, oral hygiene, periodontal history, and other individual risk factors. Your dentist or dental hygienist can recommend an interval based on your specific needs rather than a fixed routine.
Yes, polishing can be performed when little or no tartar requires removal. However, polishing cannot remove hardened calculus. If tartar is present, professional scaling is needed to remove it. Your dental team can determine whether polishing, scaling, or both are appropriate during your appointment.
Scaling can remove some deposits and may improve the appearance of teeth when staining is attached to plaque or tartar. However, polishing is generally better suited to removing certain superficial external stains. Neither procedure is the same as teeth whitening, which is designed to lighten the natural colour of teeth.
No. Polishing is not necessarily required after every cleaning. Your dental professional may recommend it when it can provide a useful benefit, such as reducing certain external stains or smoothing the tooth surfaces. The decision can depend on your teeth, gums, restorations, staining, and overall treatment needs.
Bleeding gums can be associated with plaque-related gum inflammation, although other causes are possible. If bleeding happens repeatedly, is significant, or is accompanied by swelling, tenderness, persistent bad breath, or other changes, discuss it with a dental professional. An examination can help determine the underlying cause and appropriate treatment.
