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How long does Invisalign take?

Are you considering Invisalign to straighten your teeth, but wondering how long the treatment will take? 

At Bishopsgate Dental Care, we understand that the duration of your orthodontic treatment is a crucial factor in your decision-making process. 

Find out more about the Invisalign process and treatment timelines, as well as tips to minimise your treatment duration, right here.

What is Invisalign & the process?

Invisalign is a modern orthodontic treatment that uses clear custom-made aligners to move your teeth into the desired position gradually. 

Unlike traditional braces, Invisalign aligners are virtually invisible, removable, and comfortable. 

The process begins with a consultation at Bishopsgate Dental Care, where we assess your dental needs and create a personalised treatment plan using advanced 3D imaging technology. This plan outlines the movement of your teeth and estimates the treatment duration.

Here’s a summary of the different Invisalign options and their typical treatment lengths:

Bishopsgate Invisalign Timelines

Invisalign compared to traditional braces

When it comes to orthodontic treatment, Invisalign and traditional braces each have their advantages. 

Traditional braces use metal brackets and wires to move teeth, which can be effective, but often uncomfortable and highly visible. Invisalign aligners are clear, making them a more discreet option. They are also removable, allowing for easier cleaning and eating. 

However, the success of Invisalign depends significantly on patient compliance – wearing the aligners for the recommended 20-22 hours per day.

Why do treatment timelines differ for each person?

The duration of Invisalign treatment is not a one-size-fits-all timeline. Various factors contribute to how long it will take for each individual to achieve their desired results. Understanding these factors can help you set realistic expectations and maximise the effectiveness of your treatment. Treatment times differ due to:

Severity of misalignment

The main factor influencing the duration of Invisalign treatment is the severity of the dental issues being addressed. Mild cases, such as minor crowding or small gaps between teeth, can often be corrected in a shorter time frame. 

However, more complex cases with significant misalignments, like overbites, underbites, or crossbites, take longer to correct.

This is because severe misalignment requires more substantial and gradual tooth movement to achieve the desired alignment safely and effectively.


Age plays a significant role in determining the speed of treatment. Younger patients, particularly teenagers, often experience faster results compared to adults. 

This is because their teeth and bones are still developing and are more responsive to the pressure applied by the aligners. 

Adults may have denser bone structures and more rigid dental tissues, making tooth movement slower and leading to extended treatment periods.

Patient compliance

The success and duration of Invisalign treatment heavily depend on patient compliance. Invisalign aligners need to be worn for 20-22 hours per day to be effective. 

Failing to wear the aligners as recommended can prolong the treatment. Patients who diligently follow their treatment plan and wear their aligners consistently will see faster and more predictable results. 

In comparison, inconsistent wear can lead to delays, and may even compromise the results of the treatment.

Biological response

Individual biological factors also play a crucial role in determining the length of treatment. Each person’s teeth and bones respond differently to orthodontic pressure. 

Factors like bone density, the health of the periodontal ligaments, and the rate of bone remodelling can vary significantly from one person to another. 

Some patients naturally experience quicker tooth movement, while others may need more time for their teeth to adjust and settle into new positions.

Invisalign treatment time

How to minimise your treatment timeline

To achieve the best results in the shortest time, follow these tips:

Wear your aligners: Ensure you wear your aligners for the recommended 20-22 hours per day.

Follow your dentist’s instructions: Adhere to the guidelines provided by your dentist for switching aligners and maintaining oral hygiene.

Attend regular check-ups: Regular visits to Bishopsgate Dental Care will help to monitor your progress and make any necessary adjustments.

Maintain good oral hygiene: Healthy teeth move more efficiently, so brush and floss regularly.

At Bishopsgate Dental Care, we are here to support you throughout your Invisalign journey, ensuring you receive the best care and guidance every step of the way.

Start the Invisalign process with Bishopsgate dental care

At Bishopsgate Dental Care, we are dedicated to helping you achieve a beautiful, confident smile. Our experienced team will guide you through every step of the Invisalign process, from your initial consultation to the final results.

For more information on Invisalign and to read success stories from our patients, visit our website.

Ready to start your journey to a straighter smile? Contact Bishopsgate Dental Care today!

Book your free no-obligation Invisalign consultation by calling us on 020 7377 6762 or booking online. Let us help you transform your smile with Invisalign.