Dental Crowding: What Causes Crowded Teeth and How to Correct Them

Close-up view of a dental X-ray showing teeth and jaw structure

Feeling embarrassed when people notice your crooked teeth can affect your confidence. Dental crowding not only impacts your smile but also compromises your oral hygiene. Overlapping teeth can make brushing and flossing difficult, leading to tooth decay, jaw pain, bad breath, and other dental problems.

Approximately 50% of Americans experience some form of dental crowding. This issue arises when there isn’t enough space in the mouth to accommodate all the teeth or when trauma misaligns them. Crowding forces teeth to grow in unusual directions, resulting in overbites, underbites, or overlapping.

Understanding the causes of dental crowding is the first step toward finding the right treatment, which we’ll explore in this blog.

A person with Dental crowding
A person with Dental crowding

Causes Of Dental Crowding

Crowding occurs generally in children, and it gets worse over time. There are multiple possible causes of dental crowding, some of them are:

Genetics

One of the most common reasons for dental crowding is genetics. Some families have smaller jaws, spacing in teeth, or dental abnormalities in their blood. These dental issues are natural but they can be treated.

Thumb Sucking

The habit of thumb-sucking puts repetitive pressure on the upper teeth and roof of the mouth. This habit can push the front teeth forward which can lead to misalignment.

Dental Abnormalities

Dental abnormalities like large teeth, small-sized jaws, presence of extra teeth cause the same problem. Your mouth doesn't have enough space and teeth will compete with each other to make space. This will result in misalignment and overcrowding.

Teeth of Different Sizes

There must be a hierarchy in the size of your upper, and lower teeth and jaw. If you have different sizes of teeth, it will lead to dental crowding. Larger upper teeth, smaller lower teeth, or a couple of teeth larger or smaller than others, will put pressure on the nearby teeth. This pressure will compel them to grow in different directions to misalign your teeth.

Early Tooth Loss

Early tooth loss in childhood creates space in your mouth and surrounding teeth shift into this space. When permanent teeth grow, they don't get enough space to grow straight. So, they lose their shape and alignment.

Prolonged Baby Teeth Retention

When baby teeth stay for too long, it disturbs the growth of permanent teeth. This forces the permanent teeth to grow in odd directions, causing misalignment or crowding.

Why Treat Dental Crowding?

A young girl with crowded teeth
A young girl with crowded teeth

Addressing dental crowding promptly is essential to maintain oral hygiene and overall dental health. Misaligned teeth make cleaning difficult, allowing bacteria and plaque to accumulate. Over time, this leads to serious issues like tooth decay, gum disease, and jaw discomfort. Here are key reasons to treat dental crowding:

Oral Hygiene And Health Issues

A toothbrush can't reach some areas or teeth if you have dental crowding. Oral hygiene is the most important thing for your dental health. Lack of dental hygiene can cause serious dental problems over time. It will create bacteria, plaque, cavities, and sensitivity. This can lead to tooth decay or gum disease.

Jaw Pain

Crowded teeth create uneven bite, which means teeth don't meet properly while biting, chewing, or speaking. Or you have to put extra pressure on your jaws. This extra pressure can cause stiffness and pain in your jaws.

Improving Self-Confidence and Smile Aesthetics

Crowded teeth can make you feel embarrassed while smiling. People will notice your misaligned teeth. You will try to hide your teeth, and you will hesitate to speak in public gatherings. But when you get your teeth aligned, you will have a beautiful smile. You will be able to speak and smile confidently.

Treatment Options for Dental Crowding

There are multiple treatments available for dental crowding. Let's discuss them one by one.

Braces

Braces are one of the most famous methods to treat dental crowding. It is an old and traditional method to straighten the misaligned teeth. Braces were introduced in 1669, by a French dentist Pierre Fauchard. With the advancement of technology, it kept improving. They are still the most used technique to treat crowding.

Different Types Of Braces

There are many different types of braces. All have their advantages and disadvantages. The most common of them are:

  1. Metallic Braces:
    Metallic braces are made of durable metal wires and brackets placed on the front of your teeth. They are highly effective for all types of misalignments but are the most visible, which may affect aesthetics.
  2. Ceramic Braces:
    Ceramic braces are made from tooth-colored materials, allowing them to blend in with your teeth. They are a popular choice for those seeking a less noticeable option. However, they can be more fragile and prone to staining.
  3. Lingual Braces:
    Lingual braces are placed on the inner surface of your teeth, making them virtually invisible from the front. While they preserve smile aesthetics, they may take longer to adjust to and can cause tongue discomfort.

How Does It Work?

A dentist will attach braces to your teeth, and you will wear them for a long time, depending on the severity of your crowding. Braces will apply gentle pressure to your jaws and teeth to gradually bring them to the right position.

How Long It Takes?

Usually, braces take a long time to straighten teeth, from a year to three years, depending on the severity of your misalignment.

Cost Of Braces

Different types of braces cost different. But generally, braces are an expensive method to treat dental crowding. They can cost from $3000 to $10,000 or even more.

Advantages

  • Correct misaligned teeth effectively.
  • Enhance oral hygiene by aligning teeth properly.
  • Improve smile aesthetics and boost self-confidence.
  • Braces will straighten your teeth over the period.

Disadvantages

Wearing braces is uncomfortable and has a lot of restrictions.

  • Wearing braces is uncomfortable and has a lot of restrictions.
  • Wearing braces can be uncomfortable, especially initially.
  • Certain foods, such as sticky or hard items, must be avoided to prevent damage.
  • Brushing and flossing require extra effort to maintain oral hygiene.
  • Frequent visits to the dentist are necessary for adjustments and monitoring.

Clear Aligners

Clear aligners are the modern way to treat dental crowding. Instead of metal wires glued to your teeth, invisible trays look way better. They apply gentle pressure to straighten your teeth, the same way as braces, but clear aligners are easy, comfortable, and more affordable.

Different Types of Aligners

There are two types of aligners:

  1. All-day aligners: As the name suggests, you have to wear these aligners all day.
  2. Night aligners: You just have to wear them at night, while sleeping.

How Does It Work?

Aligners work the same way as braces, they apply gentle pressure to your teeth and jaws to get into the right position. Instead of using wires, clear aligners are made of plastic trays that you wear for 22 hours a day and switch to a different tray every 2 weeks.

How long it takes?

All-day Aligners generally take 4 to 6 months, and Night aligners take 6 to 8 months to treat dental crowding. But it can vary if your teeth are overcrowded. Clear aligners are way quicker than traditional braces, they can straighten your teeth almost half of the time.

Cost of Aligners

Clear aligners typically range from $1,500 to $8,000. ALIGNER32 provides budget-friendly options, with All-day aligners starting at $749 and Night-only aligners at $899.

Tooth extraction

Tooth extraction is a common treatment for dental crowding. It means removing one or more teeth to create space for other teeth to grow in the right direction. This method is used in severe cases of overcrowding when it is not possible to treat it with only braces or aligners.

Different types of tooth extraction

There are two types of tooth extraction:

  • Simple extraction: When the tooth is fully visible in the mouth, the dentist can remove it using dental instruments like forceps.
  • Surgical extraction: It's needed when your tooth is not completely visible in the mouth (for example impacted) or broken below the gumline. A small surgery involving a small incision to the gum is required.

How Does It Work?

The dentist first needs a dental X-ray. Depending on that he will decide what kind of extraction to perform. Then the tooth is extracted using the suitable tooth extraction. You will have to deal with swelling and discomfort for 1-2 weeks. Your dentist will guide you to deal with them.

Tooth extraction doesn't fix crowding, it makes it possible to align your teeth. After the tooth extraction, aligners or braces will be used to treat dental crowding effectively.

Cost Of Tooth Extraction

Tooth extraction can cost $75-$4000 depending on various factors, such as type of extraction, severity of your case, and the dentist you choose.

Other Orthodontic Methods

Other methods, such as veneers or crowns, are typically used for cosmetic adjustments rather than correcting severe dental crowding. Dental implants may be an option if tooth loss has occurred due to crowding.

The Best Method To Treat Dental Crowding

Braces vs aligners, which one is the best to treat dental crowding? This is a big question. We can choose the best methods by comparing these factors.

Accuracy

Braces and aligners are both accurate, as they are custom-made for you, so fitting is not a problem. They will precisely align your teeth to give you a perfect smile.

Cost

Braces cost a lot more than aligners. Braces can cost from $3000 to $10,000, on the other hand, clear aligners by ALIGNER32 costs start at $749. You can even pay it in installments.

Time duration

Clear aligners can take around 6-8 months to treat dental crowding, and braces can take up to 3 years or even more. So aligners work quicker than braces.

Comfort

Aligners are comfortable to wear, as compared to metal braces in your mouth.

Restrictions

Braces come with so many restrictions, that you can't eat anything comfortably. Food gets stuck in the wires of your braces. You will find it hard to brush your teeth. You can't remove your braces anytime.

On the other hand, aligners give you the freedom to eat almost anything you want. You just have to remove the aligners before eating. Cleaning your teeth is also easier as aligners are removable.

Dental visits

Braces require frequent visits to the dentist for regular adjustments, whereas aligners typically minimize the need for in-person appointments. ALIGNER32 treats your dental crowding with aligners, under the supervision of an expert dentist. You can have a video session with your dentist if needed as well.

Considering all these factors, clear aligners by ALIGNER32 are the best way to treat your dental crowding.

Reason Braces/Aligner Winner
Accuracy 1/1 Both
Cost 0/1 Aligners
Time duration 0/1 Aligners
Comfort 0/1 Aligners
Restrictions 0/1 Aligners
Dental Visits 0/1 Aligners

Are Aligners For You?

Clear aligners are an excellent choice for mild to moderate crowding or spacing issues, provided you meet certain criteria. They’re ideal if you have good oral health, are free from cavities or gum disease, and can commit to wearing them for 20–22 hours a day (or 10 hours for night-only aligners).

However, aligners may not be suitable if you have severe crowding, rotated or missing teeth, cannot commit to the required wear time, or if you’re a child with growing jaws, as aligners may interfere with jaw development.

Final Thoughts

Dental crowding can impact your confidence, oral hygiene, and overall dental health. It can lead to difficulties in cleaning, tooth decay, gum issues, and jaw pain. Thankfully, there are effective treatment options like braces, clear aligners, and, in severe cases, tooth extraction. Among these, clear aligners stand out as a quick, comfortable, and affordable solution. If you’re ready to reclaim your smile and confidence, consult a dental expert to explore the best option for you.

FAQs

What causes dental crowding?

Dental crowding is caused by a lack of space in the jaw to accommodate all teeth properly. Common causes include genetics, bad oral habits, dental abnormalities, and more.

Can dental crowding get worse over time?

Yes, dental crowding can get worse over time. As teeth shift naturally with age or due to factors like tooth loss or continued pressure, it can lead to misalignment and related oral health issues.

Are clear aligners effective for crowded teeth?

Clear aligners are highly effective for mild to moderate dental crowding. They work by applying gentle pressure to straighten teeth over time.

How long does it take to fix dental crowding?

The duration of treatment depends on the severity of the crowding and the method you choose. Aligners typically take 4-6 months, while braces may take 1-3 years or longer.

Is tooth extraction always necessary for severe crowding?

No, tooth extraction is not always necessary for severe crowding. Some cases where braces or aligners alone can’t help, tooth extraction can be helpful.

  • Mei Lin

    Mei Lin

    Content Contributor

    Renowned as an orthodontic trailblazer, Mei Lin is a distinguished expert contributing her expertise to ALIGNER32. With a career dedicated to advancing orthodontic solutions, Lin's blogs explore the unique nuances of teeth alignment. As a trusted authority, she sheds light on how ALIGNER32 aligners cater to diverse dental needs, making... Read More

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