What Causes Malocclusions (Bad Bites)?

 
What Causes Malocclusions (Bad Bites)?
 

About 56% of people worldwide experience some form of malocclusion, or bad bite. The most common causes are genetics, childhood habits, tooth loss, and airway issues. Understanding the cause of a malocclusion can help determine the most effective treatment approach.

Genetics

 Many malocclusions are hereditary. Inherited traits that can contribute to bite problems include:

  • Mismatched upper and lower jaw size

  • Large teeth that contribute to overcrowding

  • Small teeth that create large gaps

  • Cleft lips or palates

Childhood Habits

Certain habits during childhood can affect the development of the mouth and jaw. Prolonged thumb-sucking, pacifier use, and bottle feeding may alter the shape of the palate and lead to bite alignment issues later in life.

Teeth grinding, also known as bruxism, can wear down the teeth and affect how the jaw closes over time.

Tooth Loss

When a tooth is lost, the surrounding teeth may begin to shift into the empty space. This movement can change the alignment of the bite and even affect the surrounding bone and jaw structure.

Airway and Breathing Issues

Chronic mouth breathing caused by obstructed airways can impact jaw and facial development. Conditions such as enlarged tonsils, allergies, or nasal obstructions may contribute to improper oral posture and bite problems.

Poorly Fitted Dental Work

Dental restorations such as crowns, bridges, and fillings that do not fit properly can interfere with how the teeth come together, leading to bite misalignment.

Common Types of Malocclusions

These issues can result in several different types of bad bites, including:

  • Crossbite: The upper teeth fit inside the lower teeth

  • Open bite: The upper and lower teeth do not touch when the mouth is closed

  • Overbite: The upper teeth significantly overlap the lower teeth

  • Underbite: The lower front teeth extend past the upper front teeth

Fix Your Malocclusion

Not all malocclusions require treatment; Your dentist or orthodontist can determine whether intervention is necessary. Treatment often involves orthodontic solutions such as braces or clear aligners to improve bite alignment and oral function.

At Oasis Kids Dental and Orthodontics, we can help correct your bite and prevent future oral health complications. Contact our office today to schedule a consultation.