On which teeth are brackets most commonly bonded?

Brackets are most commonly bonded to the anterior teeth and premolars because these teeth are strategically important for orthodontic treatment. Anterior teeth, which include the incisors and canines, are primarily responsible for aesthetics and proper alignment to improve both function and appearance. Bonding brackets to the anterior teeth allows for effective movement to correct malocclusions and enhance the smile's esthetics.

Premolars also play a crucial role in orthodontics, particularly as anchor points within the dental arch for the movement of other teeth. They help distribute the forces applied during orthodontic treatment and are essential for achieving a well-aligned bite.

In contrast, while molar teeth can have brackets applied, they are less frequently chosen for initial bonding because they are typically not the focus of aesthetic improvement. Additionally, the mechanics of treatment often do not require brackets on all teeth equally, as specific movements and alignments can be primarily achieved through the anterior teeth and premolars.