Overbite vs Underbite: What’s The Main Difference?

Two types of malocclusion are common among children which are: Overbite & Underbite.

Both of these refer to those teeth that are not properly arranged, some people consider that there are no differences in these conditions but in actuality, there are huge differences and have very less similarities. Let’s have a complete look at this topic.

Note: In normal proper arrangement the upper jaw fully covers the lower one.


Appearance: In this condition, the upper jaw is a little outward which pulls your upper lip and does not fully cover the lower jaw, that’s why also called “Buck Teeth”.Appearance: In this condition, the lower jaw covers the upper jaw and gives a protruding shape to the chin.
More commonly, 85% population have this.less common as only 10 percent of the population have this.
Causes: Thumbsucking habits, jaw growth discrepancy, tongue thrusting, Genetics.Causes:  jaw growth problems, Genetics, missing upper teeth, development of excessive teeth in the lower jaw.
Health Impact: Chewing Difficulty, tooth wear risk is high, TMJ issues, and gum disease. Health Impact: Jaw pain, Speech impediments, abnormal tooth wear, difficulty in biting & chewing, and sleep apnea.
Psychological Impact: Misalignment of teeth can result in less self-esteem and self-consciousness in individuals.Psychological Impact: It can also lead to anxiety, depression, or low self-esteem because of visible improper arrangement of teeth.
Long-Term Effects:  If we do not treat this malocclusion for a long time then it leads to worse oral health.Long-Term Effects: Long-term ignorance can cause an imbalance of the whole face.

Read Also: Pachisi vs Parcheesi – Are They Same or Different?

Is Treatment Available for Underbite or Overbite?

There are many treatments available that fix this condition which are:

  • Clear aligners
  • Braces
  • Headgear
  • Jaw surgery

What Happens If You Don’t Get Treatment for Underbite or Overbite?

Several health issues can occur if you don’t get proper treatment such as:

  • Jaw pain and dysfunction
  • Bruxism
  • Headaches
  • Speech issues
  • Mouth breathing
  • Earaches
  • Tooth wear
  • Trauma risk
  • Sleep-disordered
  • Bad smell
  • Gum disease

Note: Initial diagnosis, treatment procedure, and budget vary according to case change.

Read Also: Excemption vs Exception: Which One is Correct?


Which Words Are Tough to Speak for Overbiters and Underbiters?

“s” and “T” are tough for underbites whereas overbites feel difficulty while speaking “f” and “v” words.

Do overbite and underbite have the Same Treatment Duration?

No, overbiters take approximately 1-2 years whereas underbiter require 2-3 years for proper treatment.

What Should Do, if We Have Any Malocclusion?

Initial detection is very necessary for the best treatment that’s why at regular events you should visit a Dentist, have a proper examination, and follow the doctor’s instructions.


No doubt genetics is one of the major reasons for malocclusion but you need to avoid those causes that lead to underbite or overbite.

Monitor your child 24/7 and if you notice any symptoms immediately get an appointment with the doctor because initial care is better than later hospital bills.