Dr Righardt van Huyssteen

SCALING AND POLISHING

SCALING AND POLISHING

Dr Righardt van Huyssteen

What are dental cleanings (scale and polish) and why have them?

Dental cleanings involve removing plaque (soft, sticky, bacteria infested film) and tartar (calculus) deposits that have built up on the teeth over time. Your teeth are continually bathed in saliva which contains calcium and other substances which help strengthen and protect the teeth. While this is a good thing, it also means that we tend to get a build-up of calcium deposits on the teeth. This chalky substance will eventually build up over time, like limescale in a pipe or kettle. Usually it is tooth coloured and can easily be mistaken as part of the teeth, but it also can vary from brown to black in colour.

If the scale, or calculus (tartar, as dentists like to call it) is allowed to accumulate on the teeth it will unfortunately provide the right conditions for bacteria to thrive next to the gums. The purpose of the cleaning and polishing is basically to leave the surfaces of the teeth clean and smooth so that bacteria are unable to stick to them and you have a better chance of keeping the teeth clean during your regular home care.

Also it leaves your teeth feeling lovely and smooth and clean, which is nice when you run your tongue around them. Actually, come to think of it, there’s nothing worse than someone you fancy running their tongue around your teeth and finding a piece of spinach or something! Still, if they’re hungry…

The professional cleaning of teeth is sometimes referred to as prophylaxis (or prophy for short). It’s a Greek word which means “to prevent beforehand” – in this case, it helps prevent gum disease.

How are dental cleanings done?

The dental hygienist or dentist uses specialized instruments to gently remove these deposits without harming the teeth. The instruments which may be used during your cleaning, and what they feel like, are described below.

Ultrasonic instrument

Commonly used first is an ultrasonic instrument which uses tickling vibrations to knock larger pieces of tartar loose. It also sprays a cooling mist of water while it works to wash away debris and keep the area at a proper temperature. The device typically emits a humming or high pitched whistling sound. This may seem louder than it actually is because the sound may get amplified inside your head, just like when you put an electric toothbrush into your mouth.

The ultrasonic instrument tips are curved and rounded and are always kept in motion around the teeth. They are by no means sharp since their purpose is to knock tartar loose and not to cut into the teeth. It is best to inform the operator if the sensations are too strong or ticklish so that they can adjust the setting appropriately on the device or modify the pressure applied.

With larger deposits that have hardened on, it can take some time to remove these, just like trying to remove baked-on grime on a stove that has been left over a long time. So your cleaning may take longer than future cleanings. Imagine not cleaning a house for six months versus cleaning it every week. The six-month job is going to take longer than doing smaller weekly jobs.

Fine hand tools

Once the larger pieces of tartar are gone, the dental worker will switch to finer hand tools (called scalers and curettes in dental-speak) to remove smaller deposits and smoothen the tooth surfaces. These tools are curved and shaped to match the curves of the teeth. They allow smaller tartar deposits to be removed by carefully scraping them off with a gentle to moderate amount of pressure. Just like taking a scrubbing brush to a soiled pot, the dental worker has to get the areas clean and smooth.

Polishing

Once all the surfaces are smooth, the dental worker may polish your teeth. Polishing is done using a slow speed handpiece with a soft rubber cup that spins on the end. Prophylaxis (short for prophy) paste – a special gritty toothpaste-like material – is scooped up like ice cream into the cup and spun around on the teeth to make them shiny smooth.

Fluoride


Your dentist may also apply fluoride after the dental cleaning!

SCALING AND POLISHING

Dr Righardt van Huyssteen

There's more to a smile than meets the eye. Oral hygiene is the starting point to good overall health which means that regular visits to your dentist are a top priority. Dr Righardt van Huyssteen is a local dental practitioner with more than 15 years of dental experience. He specialises in the field...

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