The most common tooth affected by ankylosis is the maxillary incisor, specifically the upper central incisor. This is because the maxillary incisors are the most prominent teeth in the mouth and are therefore the most likely to be affected by ankylosis. Ankylosis is a condition in which the roots of the teeth become fused to the jawbone, preventing them from moving and leading to a loss of function. The maxillary incisors are particularly vulnerable to this condition because they are the most exposed of the teeth and are most likely to be affected by trauma or infection. Additionally, the maxillary incisors are the most frequently used teeth in the mouth and therefore are more likely to be worn down over time.
The primary cause of ankylosis is trauma to the tooth, such as a blow to the jaw or contact with a hard object. Infection of the tooth can also lead to ankylosis, although this is less common. Ankylosis can also be caused by certain medical conditions, such as diabetes or autoimmune diseases. In some cases, ankylosis can be a congenital condition, in which the teeth are fused to the jawbone before eruption.
The treatment for ankylosis depends on the severity of the condition. In mild cases, the dentist may be able to remove the tooth without disturbing the ankylosed tissue. However, in more severe cases, surgery may be required to remove the ankylosed tissue and restore the normal movement of the tooth. After surgery, the patient may need to wear a retainer or other appliance to maintain the new position of the tooth.