American Board of Orthodontics (ABO) Practice Exam 2026 - Free Orthodontics Practice Questions and Study Guide

Magnetic fields have been studied for their potential influence on tooth movement in orthodontics. Research indicates that exposure to certain types of magnetic fields can enhance the process of tooth movement by promoting cellular activity and reducing the effects of hyalinization, which is a condition where tissue necrosis occurs due to excessive force on the teeth. This could lead to a faster rate of tooth movement compared to traditional methods.

The true assertion here reflects the idea that magnets could have a beneficial effect on the biological response of the periodontal ligament, which plays a crucial role in tooth movement. Enhanced blood flow and increased fibroblast activity can lead to improved healing, allowing teeth to move more efficiently through the bone.

While some studies support these findings, it remains an area of ongoing research, and results can vary based on the strength, frequency, and type of magnetic fields used. Therefore, while the answer is deemed true based on the current understanding of magnetic fields’ effects on orthodontic tooth movement, the nuances and varying research outcomes are important to consider.