There are several reasons why some people’s teeth grow in crooked, overlapping, or twisted. Some people’s mouths are too small for their teeth, which crowds the teeth and causes them to shift. In other cases, a person’s upper and lower jaws aren’t the same size or are malformed, resulting in either an overbite, when there is excessive protrusion of the upper jaw, or an under bite, when the lower jaw protrudes forward causing the lower jaw and teeth to extend out beyond the upper teeth

Most often crooked teeth, overbites, and underbites are inherited traits just as the color of your eyes or size of your hands. Other causes of misaligned bites are early loss of baby or adult teeth; improper fit of dental restorations (for example, fillings or crowns); gingivitis (gum disease); undue pressure on the teeth and gums; misalignment of the jaw after an injury; tumors of the mouth or jaw; or common oral health problems in children such as thumb sucking, tongue thrusting, pacifier use beyond the age of three, or prolonged use of a bottle

What Problems Come With Crooked Teeth and Misaligned Bites

Crooked teeth and misaligned bites can

Interfere with proper chewing

Make keeping teeth clean more of a challenge, increasing the risk of tooth decay, cavities, and gingivitis

Strain the teeth, jaws, and muscles, increasing the risk of breaking a tooth

Make people feel self-conscious about their appearance and affect their self-esteem

reference

www.webmd.com

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