Treatment FAQ

how much force can be applied in orthodontic treatment

by Lelia Wiegand Published 3 years ago Updated 2 years ago
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On average, the orthodontists considered an ideal force for tipping of canines and premolars to be mean 62.5 cN (range 30-100 cNy and mean 56.1 cN (range 30-100 cN) respectively. They also reported that a strain gauge was not often used in everyday clinical practice.

How much force is required for orthodontic tooth movement?

Nov 11, 2019 · I was always taught that we needed to apply a 150gm force to make a tooth move. A cN is a decimal fraction of a Newton. It is equal to 1.01 gram force. Therefore, this paper shows that we need to apply between 50 and 100 gram force for optimal tooth movement. Which is less than I thought…and is nice.

Is orthodontic treatment stable over the long-term?

Animal studies have suggested that the key factor may be the duration of force application, with forces for about one quarter of the time being effective, although other animals studies have shown that jiggling forces of extremely short duration can stimulate large numbers of osteoclasts and the tooth mobility characteristic of orthodontics. 55,56 This may be the case because …

What are the risks of orthodontic treatment?

Strong evidence suggests that comprehensive orthodontic treatment causes increased root resorption, and heavy forces have especially harmful effects. 2 It is fervently recommended to apply light forces in orthodontic treatments and to leave longer intervals between activations. 2 Serial radiographs obtained after 6–12 months might help to detect early root resorption, and if …

What are the challenges of orthodontic treatment for mandibular excess growth anomaly?

The general aim of this series of clinical investigations was to study the association between applied force, achieved tooth movement and related root resorptions. In 144 adolescents, the maxillary first or second premolar was buccally moved with a fixed orthodontic appliance. The variables studied were duration, magnitude and type of force.

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What is optimal force in orthodontics?

The optimal orthodontic force can be interpreted as the force field that, when exerted on the tooth, causes the most areas of the PDL to be covered by both good stress and good strain.Jul 31, 2017

How much force does it take to move teeth?

Your teeth are well-equipped to deal with the bite pressure itself. Actually, teeth are able to resist a compressive force of about 30,000 pounds.Mar 19, 2014

Can the pressure of braces break your teeth?

Excessive force in orthodontic treatment with Invisalign or braces can cause severe damage to the root and pulp of teeth as well as the supporting bones. This can cause tooth movement or fallout. However, this shouldn't worry if you get treatment from an experienced orthodontist.Aug 2, 2021

What kind of orthodontic movement requires the least amount of force?

Intrusion: It is defined as the axial movement of the tooth along the long axis towards the apex of the root. It is the type of tooth movement which requires least amount of force.

What is orthodontic torque?

Torque is a shear-based moment that causes rotation. Clinically, in orthodontics, it represents the buccopalatal crown/root inclination of a tooth, and it is an orthodontic adaptation used to describe rotation around an x-axis.Jan 1, 2010

How many mm Does your teeth move with braces?

Teeth move about one millimeter per month, so depending on what needs to be fixed, most patients need braces for somewhere between 6 months and 3 years. Average is about two years. 6) This all makes sense but what is that thing called a “retainer”?Apr 24, 2017

What are the disadvantages of braces?

Complications With Braces
  • Tooth decay or gum disease. ...
  • Allergic reactions. ...
  • Soft tissue injuries and canker sores. ...
  • Root Resorption. ...
  • Decalcification and Cavities. ...
  • Ankylosis. ...
  • Relapse. ...
  • They're still worth it!
Jan 27, 2017

Can braces change your face?

Yes, undergoing orthodontic treatment can bring changes to a person's face. Don't worry though – the changes that braces will make are purely positive! Braces will fix alignment issues with your face and give you a more symmetrical, natural look to both your mouth and your jawline.Feb 28, 2018

Do braces make your lips bigger?

Do Braces Change Your Lips and Make Them Look Bigger? Yes, braces can change the position of your lips, but only as much as the teeth immediately behind them change. It has nothing to do with braces changing your lips as far as fullness or shape.

What is tipping in orthodontics?

Root tipping is tilting the root of the tooth without moving the apex of the crown.Apr 19, 2022

Can braces stimulate bone growth?

During treatment, your immune system triggers a chain reaction that stimulates new bone growth. This bone growth is designed to repair the small holes and restore the integrity of your bone structure. However, this process takes several weeks, during which time your teeth are able to shift more easily.

What is orthodontic care?

Orthodontic care is a complex specialty branch of dentistry that requires additional education beyond general dentistry. If you’re a candidate for orthodontics, you may find that a successful treatment plan improves your self-confidence by improving your beautiful smile.

Why is it important to get orthodontic treatment?

If your teeth and/or jaw are misaligned, it’s important to get orthodontic treatment in order to straighten your bite. Whether by traditional braces, Invisalign, or a mouthguard, all orthodontic appliances help straighten teeth or keep them straight.

What do people think of when they hear orthodontics?

Most often, people think of one thing when they hear “orthodontics”: braces. However, both metal braces and clear aligners like Invisalign are just two of the many appliances an orthodontist may create for you.

What is the gold standard in orthodontics?

The gold standard in orthodontics for many decades was metal braces. Utilizing metal wires and brackets, metal braces are fixed appliances that push and pull teeth into their proper position over time.

Can crooked teeth cause TMJ?

TMJ: Bite problems like one tooth hitting first can cause major pain in the TMJ and lead to chronic TMD. Cavities, bad breath, and gum disease: Because misaligned or crooked teeth make it much harder to floss or brush your teeth, the oral microbiome can become overrun and lead to oral health problems like these.

What is orthotropics for kids?

Orthotropics is a philosophy of orthodontic care for children that aims to correct growth issues as early as possible without tooth extractions. It goes against some traditional views of Phase 1/Phase 2 treatment, where many dentists don’t typically recommend an orthodontic assessment before age five.

Why are braces so effective?

Braces are most effective for incredibly aggressive movements, where a great deal of space must be made. Once childhood is over, there is very rarely a justification for metal braces to be used instead of clear aligners, other than the more affordable cost.

What are the benefits of orthodontic treatment?

Other benefits include an enhanced and better functioning bite, improved long-term health as well as improved cosmetics (smile, speech and social acceptance). It also provides easier maintenance of periodontal (gum) tissue health.

Why do braces have white spots?

Another risk is “de-calcification” of the teeth surfaces, which is a loss of the mineral calcium due to acid attack. It is the beginning phase of tooth decay and is seen as white spots that form around the braces.

How does the periodontal ligament change?

The periodontal ligament is very dynamic and is constantly remodeling. This process of change is mediated through the cells of the ligament, cementum and bone. Together, they continually form and reform in response to the normal forces of the bite. Biting produces tension and compression transmitted through the fibers of the ligament. Tension causes the cells to respond by depositing bone and cementum, while compression causes resorption or melting away/dissolving of bone and cementum. As with most bodily systems, balance maintains the status quo, and as a consequence, it maintains teeth in their position and in health.

Why Does Orthodontic Relapse Happen?

The reason orthodontic relapse occurs is because the underlying oral myofunctional disorders that caused the orthodontic issues in the first place have never been corrected.

Jaw Surgeries Can Relapse As Well

Even jaw surgeries can relapse, which seems completely counter-intuitive given that the structure of the jaw is physically being altered. This is a testament to the power of the tongue and the other oral and facial muscles.

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