Daily Care
What actually happens during a scale and polish?
25 July 2026 · The Dentist, Al Qusais, Dubai
The short answer
A scale and polish has two parts: scaling, where a hygienist uses a small vibrating tool (and sometimes hand instruments) to break up and remove hardened plaque, called tartar, from the tooth surface and just under the gumline; and polishing, where a rotating rubber cup with gritty paste buffs the teeth smooth and lifts surface staining. The whole thing usually takes 30 to 45 minutes, isn't painful for most people, and leaves teeth feeling noticeably smoother against your tongue. It's a cleaning, not a whitening treatment, though teeth often look a shade brighter once staining is removed.
The scaling part: breaking up tartar you can't brush off
Once plaque sits on a tooth for a couple of days, it starts to harden into tartar (dentists call it calculus). Brushing and flossing can't shift it because it's essentially mineralised onto the enamel. That's the whole reason scaling exists. The hygienist uses an ultrasonic scaler, a slim metal tip that vibrates at a frequency you'll feel as a light buzzing, along with a fine water spray that washes debris away as it's loosened. For tartar sitting further under the gumline, they'll often switch to hand instruments called scalers and curettes, which have a curved tip designed to reach into that pocket between tooth and gum without damaging the soft tissue.
You'll hear scraping sounds and feel pressure in places, particularly along the inside of the lower front teeth and behind the upper molars, where tartar tends to build up fastest because those spots are harder to brush thoroughly. If your gums are inflamed from a build-up of plaque, this stage might cause some mild bleeding or tenderness. That's usually a sign the gums needed the clean, not that something's gone wrong. If you're anxious about sensitivity, mention it before starting. Numbing gel is available for anyone who needs it.
The polishing part: smoothing the surface and lifting stains
After scaling, the hygienist switches to a slow-speed handpiece with a small rubber cup on the end, loaded with a gritty polishing paste. This spins gently across each tooth surface, buffing away surface stains from coffee, tea, red wine or smoking, and smoothing out the microscopic roughness that scaling can leave behind. Smooth enamel matters because plaque sticks to rough surfaces far more easily than smooth ones, so polishing isn't just cosmetic.
Some clinics finish with a fluoride application, a quick paste or varnish left on the teeth for a minute to strengthen enamel against decay. You might get a rinse with water throughout to clear away paste and debris. By the end, teeth generally feel slippery smooth against your tongue in a way they haven't for months, and you'll likely notice they look a shade or two lighter simply because years of staining have been lifted off, not because any bleaching has happened.
How often you need one, and what to do next
For most people, a scale and polish every six months keeps tartar from building up to the point where it starts affecting the gums. If you smoke, have braces, or tend to build tartar quickly, your dentist might suggest every three to four months instead. It won't fix deeper gum disease on its own. If X-rays or a gum examination show bone loss or deep pockets, you'll likely be told you need a deeper clean, sometimes called scaling and root planing, which goes further below the gumline over more than one visit.
If it's been over a year since your last clean, or your gums bleed when you brush, it's worth getting a dentist to look before deciding what you actually need. At The Dentist in Al Qusais, new patients get a free first checkup, which includes an assessment of whether a routine scale and polish is enough or whether something more is going on. You can call or WhatsApp 056 349 8888 to book, and the clinic is open every day except Sunday.
This article is general information, not a diagnosis. If you are in Dubai, the free first checkup at our Al Qusais clinic is the fastest way to get an answer about your own teeth.