How Aligners Move Teeth: The Science Behind It

clear aligners

A self-assured smile can brighten any space, and because of recent developments in orthodontics, getting that brilliant grin is now easier than ever. The innovative orthodontic procedure clear aligners have become well-known for their discreet and pleasant teeth straightening method. Ever wonder how clear aligners straighten teeth without causing damage to them? This post will examine the intriguing science of clear aligners and how the aligners gradually realign teeth to produce a gorgeous smile.

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Understanding the Clear Aligner: The Fundamentals

Modern orthodontics has developed a new procedure called clear aligners, which uses a set of clear, removable aligners in place of traditional braces. For those looking for a more discreet method of straightening their teeth, these custom-made aligners are an appealing alternative because they fit securely over your teeth and are nearly unnoticeable.

Clear Aligners
Hand holding Clear Aligners

The Science of Tooth Movement

Clear Aligners and traditional braces both work based on applying controlled force to the teeth to induce movement. Fundamental to the physics of tooth movement, this controlled force starts a process called bone remodeling. When mechanical pressures are applied, bone cells respond biologically by breaking down and rebuilding bone tissue. This process is known as bone remodeling.

An aligner applies a mild yet constant push to certain parts of your teeth when it is put over them. The stress exerted on the surrounding bone of the teeth induces deposition (rebuilding) on one side and resorption (breaking down) on the other. The teeth can eventually grow in the desired orientation due to this ongoing remodeling of the bone.

How Do Clear Aligners Work?

Indeed, the procedure is both fascinating and simple to comprehend. Your orthodontist will examine your teeth, take digital scans, and build a personalized plan for your teeth alignment at your initial consultation.

Next, the precise movement of your teeth is mapped out using these digital scans. A set of customized aligners is created to fit your teeth. Each set of aligners you receive is intended to be worn for around two weeks. Wearing these aligners for at least 20 to 22 hours a day, you will only take them out to eat, drink (well, water only), brush, and floss.

Every new pair of aligners is a little bit different than the last, to apply mild, precise pressure on particular teeth. The teeth are progressively moved into the correct locations by this pressure. You will move on to the following set of aligners in the series after wearing one set for the recommended amount of time. This procedure keeps going until you've used every aligner prescribed in your treatment plan.

Your orthodontist will see you for check-ups at regular intervals during your treatment to assess your progress and make sure your teeth are progressing according to plan. If necessary, your treatment plan may need to be adjusted. Your teeth should be in the desired positions once you've worn all of the aligners. Your orthodontist may suggest a retainer to help you maintain the results. You must wear the retainer as instructed to keep your teeth from moving back.

The Step-by-Step Custom Treatment Plan for Clear Aligners

Here is a thorough explanation of the sequential steps in a customized treatment plan for clear aligners.

Custom Treatment Plan

A thorough examination, along with digital impressions of your teeth and X-rays, is the first step in the clear aligner process. A personalized treatment plan is developed to precisely map out the movements of your teeth using cutting-edge 3D imaging technology.

Aligner Fabrication

Using cutting-edge computer-aided design and manufacturing methods, a series of customized aligners is created based on your treatment plan. Your teeth will progressively reposition themselves with each pair of aligners, which is slightly different from the last.

Sequential Wear

Before moving on to the next set of aligners, you will wear each set for one to two weeks. Throughout the series, your teeth will progressively move by the predetermined movements.

Frequent Check-ins

Your orthodontist will see you regularly during your treatment to assess your progress and make any required modifications to your treatment plan.

Attaining Your New Smile

Your new, exquisitely aligned smile will be yours after the aligner series is finished.

Benefits of Clear Aligners

Nowadays, most people still associate orthodontics with the more conventional metal brace approach. This makes sense because the majority of individuals have most likely seen or used traditional braces. However, transparent aligners are superior to traditional braces in many ways when it comes to correcting flawed smiles. With the given list, you will gain some understanding of why an increasing number of people are selecting clear aligners over traditional braces.

Nearly Invisible

Since there are no visible metal parts on the teeth, clear aligners are nearly invisible and produce a far more aesthetically pleasing result. Patients now find it easier to wear them socially or even just go about their daily activities.


The detachable nature of clear aligners is another important advantage. There are no dietary restrictions while undergoing treatment because patients can take out their aligners before meals and snacks. They don't have to worry about breaking wires or pushing out brackets when they eat anything they want.

Improved Oral Hygiene

Effective brushing and flossing become difficult when wearing traditional braces. People may brush and floss normally with clear aligners because there are no metal brackets or wires involved, which is one of their main advantages. In addition to lowering the risk of gum disease, this can shield teeth against cavities during treatment.

To learn more about Clear Aligners or a smile transformation call us at (888) 861-1884

Through the use of innovative technology and biomechanics, clear aligner treatment effectively adjusts teeth while causing the least amount of interruption to your normal routine. Visit an established dental practice in your area to speak with your dentist or orthodontist about the possibilities and develop a customized treatment plan if you’re thinking about getting Clear Aligners or any other orthodontic treatment.


1. Are teeth moved with aligners effectively?

When used as prescribed, aligners can be very effective. For many people, they provide an effective and reliable alternative to traditional braces for teeth straightening, with similar outcomes.

2. What is the duration required for teeth to shift with aligners?

The length of treatment depends on the complexity of the case as well as the patient's unique features.

3. What is the fundamental science of it?

The concepts of biomechanics and orthodontics form the basis of the science behind aligners. Aligners promote bone remodeling by continuously exerting mild pressure, which enables teeth to progressively shift into their new positions.

  • Haruki Tanaka

    Haruki Tanaka

    Content Contributor

    Hailing from New York City, Haruki Tanaka seamlessly blends his love for lifestyle blogging with a passion for oral health. A dedicated ALIGNER32 user, Haruki shares his experiences navigating the vibrant urban landscape of New York City while undergoing teeth alignment. His blogs capture the intersection of contemporary American lifestyles... Read More

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  • Dr. Harshil Patel

    Dr. Harshil Patel

    Medical Reviewer

    Dr. Patel has practiced in various dental clinical settings and has an extensive amount of experience in multiple phases of general dentistry in the Houston, TX area. He has a holistic approach to patient care and tries to be an approachable and compassionate dentist, all while providing high-quality and ethical... Read More

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