Q:

Why are my teeth moving?

A:

Teeth may shift out of place for several reasons, some of which include periodontal disease, temporomandibular joint dysfunction, faulty dental work and missing teeth, explains Daxon & Grundset Dentistry. Habitually biting pens or other small objects can also cause the teeth to change position over time, notes Everyday Health.

The jawbone underneath the gum line is responsible for holding the teeth in place, explains Daxon & Grundset Dentistry. When an advanced form of gum disease known as periodontal disease develops, gum and bone tissue are lost over time. The teeth begin shifting and become loose once a significant amount of supportive bone tissue erodes away.

Sufferers of temporomandibular joint dysfunction, or TMD, have unbalanced jaw joints, making them more susceptible to muscle strain and inflammation in the mouth region. This results in abnormal pressure on the teeth, which can cause the teeth to change position, notes Daxon & Grundset Dentistry.

Poorly constructed dental restorations, such as crowns and fillings, can also place abnormal pressure on the teeth that causes them to move over time, according to Daxon & Grundset Dentistry. If a poor-quality filling results in an abnormally high bite, the amount of pressure on the filled tooth and its ligaments increases. Spaces between a crown and its neighboring teeth allow room for the crowned tooth to shift as well.

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