What function does an orthodontic appliance primarily serve?

• A. Lingualizing teeth
• B. Alignment of teeth
• C. Tipping of teeth
• D. Palatal expansion

Answer: (C)

The primary function of an orthodontic appliance is the alignment of teeth. Orthodontic appliances, including braces and retainers, are designed to move teeth into the correct position over time, addressing issues such as crowding, spacing, and misalignment. Through controlled forces, these devices guide the movement of teeth to achieve a functional and aesthetic dental alignment.

While options like tipping of teeth and palatal expansion involve specific movements that can be achieved with orthodontic appliances, they do not encapsulate the overall primary purpose of these devices. Lingualizing teeth also refers to a specific adjustment. However, the overarching goal of any orthodontic treatment is to align the teeth properly, which is crucial for both function and appearance.