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Teeth Whitening Instructions

You have now been provided with your tooth whitening kit. The following information will ensure that you use it correctly to obtain the best results. Please refer to our FAQs - Tooth Whitening.

Instructions for use

You should have been provided with your upper bleaching tray with a box of four syringes of whitening agent. The lower tray and a further four syringes will be provided at your next review appointment in two weeks.

Some individuals suffer from recurrent oral ulceration (aphthous) and occasionally multiple ulcers may be caused by the Herpes virus.

Dispense a small amount of whitening agent into the inside of the tray as instructed by your dentist. Do not overfill as it will only be expelled into your mouth and wasted.

Place the loaded tray over the teeth before retiring in the evening. Ensure that your teeth have been cleaned prior to this. Wear the tray overnight.

In the morning, remove the tray and wash out the contents with warm water, using your toothbrush if necessary. Clean your teeth as normal. Keep the trays safe in the box provided.

Repeat this process every night until you have used up the solution.

Stop the bleaching if you have any concerns and contact your dentist.

Do's & Don'ts


  • keep a log of the number of nights you have worn the trays as you will need to repeat this for the lower arch;
  • keep the whitening agent in a cool place.
  • stop the process if you have reached the desired level of whitening before the four syringes have been used;
  • stop the process if you notice any patches or bands appearing on your teeth.


  • drink tea, coffee or red wine or eat berries, curries or any other foods with intense colouring during treatment and preferably for up to a

    month following treatment;
  • smoke during treatment;
  • bleach your teeth if you are pregnant;


  • Sensitivity: this is common and will pass. You can try bleaching on alternate days or place a densitising toothpaste into the tray and wear

    for an hour each day.
  • Sore gums: slight irritation is normal. If you are experiencing severe discomfort, contact your dentist.
  • Swallowing: the whitening agent is harmless but to avoid ingestion do not overfill the trays.
  • Patches: These will disappear during the whitening process, however notify your dentist.


Below are some frequently asked questions relating to tooth whitening. If you have any further questions, please do not hesitate to ask.

What is Tooth Whitening?

Tooth whitening or dental bleaching is a safe, effective and inexpensive way to whiten and brighten the colour of your teeth. The procedure involves wearing a custom made tray that fits over your teeth into which the special bleaching solution is placed. The tray is usually worn during the night although it can be worn during the day if desired.

Signs/Symptoms - The roof of the mouth, beneath the denture, may be red and uncomfortable, a condition called denture sore mouth. Otherwise a white layer may be present which can be rubbed off leaving a sore red area.

Treatment/Advice - The upper denture should be removed, its surface brushed and then left overnight in Chlo-hexidine Gluconate. The mouth should also be rinsed with 10ml of Chlo-hexidine Gluconate for one minute, twice daily. Continue this schedule for a further 48 hours after the condition has resolved. If it persists for more than one week, consult your dentist. If you do not wear dentures and a white plaque is present, consult your dentist for advice and treatment with anti-fungal drugs.

Inflamed, Bleeding Gums

Causes - Bleeding from the gums on brushing or eating is an indication that they are inflamed. This is caused by inadequate removal of bacterial plaque by toothbrush.

Treatment/Advice - You will need to see your dentist or hygienist for removal of the plaque and calcium deposits. Once resolved good oral hygiene should be maintained coupled with regular visits to the hygienist. Flossing tape and/or the use of interproximal brushes may also be necessary.


Causes - In the most instances halitosis or bad breath is caused by poor oral hygiene and consequent accumulation of plaque bacteria and development of gum disease. The bacteria produce sulphides which result in bad breath.

Treatment/Advice - Brush your teeth effectively and use floss and interproximal brushes to clean between the teeth. Cleaning the tongue is also necessary as many bacteria are present on the back of the tongue. See your hygienist for advice on tongue cleaners.

Trauma to Teeth

Unfortunately, a high proportion of children damage one or more of their teeth in accidents. You should see a dentist as soon as possible

However, if the tooth is completely knocked out, there are certain things that you can do to improve the chances of it being saved.

Firstly, rinse the tooth under a running tap, but do not attempt to scrub it with a brush or your fingers. Then store the tooth in some milk.

Thirdly, see your dentist within 3 hours of the accident.


A dull, throbbing pain usually indicates that a tooth is dying or is already dead and infected. Apart from using analgesics such as paracetamol, the best thing to do is seek an early dental appointment.

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