HOSA Dental Terminology Practice

What is a ligature commonly used for in dentistry?

1. To separate molars

2. To hold the arch wire in its bracket

3. To assess occlusion

4. To provide panoramic views

The correct answer is: To hold the arch wire in its bracket

In dentistry, a ligature is primarily used to hold the arch wire in its bracket. This is crucial in orthodontics, where the arch wire, which is responsible for guiding tooth movement, needs to be securely attached to the brackets bonded to the teeth. Ligatures, typically made from elastic material or stainless steel, ensure that the arch wire remains in position during the treatment process, allowing for effective alignment and space closure. The use of ligatures is essential for maintaining the necessary tension and control over the movement of individual teeth. This helps in achieving the desired dental alignment while undergoing orthodontic treatment. The flexibility of elastic ligatures also allows for different colors to be used, which can add a fun element for patients, particularly children and adolescents, enhancing their overall experience in orthodontic care.