Underbite and overbite

Many people with bite problems refer to an orthodontist. There are different types of bite problem such as overbite and underbite. Generally, misalignment of teeth and bite refer to a malocclusion. The bite problems don’t limit to oral health and it can affect breathing, speech as well as facial appearance.

What is an underbite?

When your jaws are closed, if the lower teeth place in front of the upper teeth, it called an underbite. In a normal condition, the lower front teeth should be land behind the upper teeth. There are different factors that cause underbite including:


In many cases, underbite caused by genetic. If one of your family members has underbite you are at the risk of developing underbite.

Childhood habits

Children may have some childhood habits such as thumb sucking, using pacifiers above age 3, pushing teeth with the tongue and long-term feeding from a bottle beyond infant years. These habits can cause underbite or other dental misalignment.


The facial injury also can damage jawbones and cause bite problems. A broken jawbone may not fit properly even after the surgery and causes underbite.


There is a risk of underbite for people who have tumors on the jawbones or in the mouth.

What is an overbite?

What is an overbite?

When the upper teeth overlap the lower teeth 2 mm more than the standard bite, it called an overbite. About 70 percent of dental disorders in children caused by overbite.

Same as the underbite, an overbite can be caused by childhood habits such as thumb sucking, extensive pacifier use, tongue thrusting at a young age and also genetic. An overbite can be inherited from the parents.

The main symptoms of overbite are visible and people have difficulty while chewing especially for chewy foods such as pizza. Overbite also causes headaches and increase over time. More addition it makes extra stress over the temporomandibular joint that may lead to damage and wear of the jaw bone joint.

What problems caused by underbite and overbite?

Generally, bite problems and malocclusions greatly affect the appearance of the smile and jawline and cause self-conscious same as crooked teeth. But more than cosmetic issues, overbite and underbite cause serious health problems depending on the severity of the problem and how is the gap between lower and upper jaws and teeth including:

  • Eating and speaking problems
  • Sleep apnea, snoring and other breathing problems while sleeping
  • Head and earaches
  • Problem with opening and closing the mouth fully
  • Excessive wearing of tooth enamel that can lead to tooth decay
  • Chronic jaw or joint pain

How to treat underbite and overbite?

Invisalign braces are the traditional treatment for overbite and underbite that contain a treatment plan of wearing clear aligners. The Invisalign aligners should be replaced every two weeks and depending on the severity of the problems the treatment process can take months to years. Invisalign is the best treatment for a mild or moderate overbite or underbite. In the case of a severe condition, a combination of Invisalign treatment and surgery should be applied.

General speaking many people may suffer from dental disorders that most of them may be related to genetic such as overbite, underbite, and crossbite. You should know that a bite problem can greatly affect your overall health. In case of any teeth or bite problems your breathing, speech and even your appearance will be affected.

Bite problems that refer to malocclusion can cause your teeth to become crooked, worn down or protrude over time. In this condition, orthodontic treatment is the best treatment method to correct the issue. You should find an expert orthodontist who has many experiences in this field and can guide you for the best treatment method.

For a free consultation, you can contact us now.


این مطلب چقدر برایتان مفید بود؟

امتیاز از راست به چپ افزایش میابد

میانگین امتیازات 0 / 5. تعداد امتیازات 0

تاکنون کسی امتیازی نداده، شما اولین نفر باشید