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Invisalign Frequently Asked Questions


What are the Invisalign aligners made of?

Invisalign aligners are created from a thermoplastic material that is uniquely developed for this course of action and looks similar to teeth-whitening trays. A series of Invisalign aligners are custom-made for every patient in order to move teeth into the right position using a sequence determined by the doctor.


Invisalign Frequently Asked Questions


How will Invisalign effectively move my teeth?

This is achieved through the use of the braces’ thermoplastic design and moves the pearly whites through the appropriate placement of controlled force. The main difference is that Invisalign not only controls the force, but also the timing of the application.

During each stage, only certain teeth are allowed to move – and these adjustments are determined by a dental professional as he or she outlines a unique treatment plan.


How does Invisalign move teeth?

Patients will be provided with a series of special aligners throughout the treatment time, which are used to make slight adjustments to tooth position as part of a process that is mapped out in advance by our dentists.

After two weeks, patients will begin to use the next set of aligners to continue the straightening process. You will need to see our dentists every 6-8 weeks for a review.


What are the benefits of Invisalign?

The virtually invisible nature of Invisalign aligners means no one will notice that you are wearing them, which is ideal for those people who may have been worried about the stigma attached to wearing fixed braces.

In addition, the fact that the aligners can be removed is good news, giving you the freedom to take the appliances out to eat and drink as well as brushing and flossing in order to maintain your oral health.

Furthermore, the fact that there are no metal brackets or wires that can cause irritation and discomfort inside the mouth gives Invisalign an advantage over traditional fixed braces.

The innovative Clincheck technology utilised with Invisalign allows you to see how straight your teeth will look when the treatment is complete before you begin the Invisalign treatment, so there is no need to imagine the final results.


How long does the Invisalign treatment take?

The length of the Invisalign straightening process depends on the severity of each individual case and can only be determined by a medical professional. In most cases, patients are able to enjoy their new smile after approximately 9-12 months.


How often should Invisalign aligners be worn?

Between 20 and 22 hours every day – removing them only for eating, brushing and flossing.


Do I need to attend regular appointments for Invisalign?

Yes, between every 6-8 weeks – to ensure the treatment is progressing as planned.


Is the Invisalign treatment painful?

Some patients will experience a temporary feeling of discomfort for a few days at the beginning of each new stage of treatment, but this is not as severe as the pain felt when wearing metal-wire appliances. Although it may not be a pleasant sensation, you can rest assured the feeling means the aligners are working effectively.


Will my speech be affected by Invisalign?

Similarly to traditional orthodontic treatments, the aligners may affect the way a person talks for a short time and they may develop a slight lisp for a day or two. However, as the tongue gets used to having braces in the mouth, these signs should disappear.


Do I need to restrict my diet with Invisalign?

Thanks to the removable nature of Invisalign braces, patients can eat and drink whatever they like during this course of action.


Can I consume alcohol during Invisalign treatment?

Yes but you must remove your Invisalign aligners to drink alcohol.



Pearl Dental Clinic is open 7 days a week. Weekend and late evening Invisalign appointments are available. You can book a free consultation by calling us on 0203 750 5300 or emailing us or booking an appointment online


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