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

Question: 1 / 660

According to research, what duration of treatment break can aid in reducing root resorption?

1 month

2-3 months

A treatment break duration of 2-3 months has been identified in research as beneficial for reducing the risk of root resorption during orthodontic treatment. During active orthodontic treatment, the biologic processes involved in tooth movement can sometimes lead to unintended consequences, such as root resorption. By incorporating a treatment pause within this timeframe, it allows the periodontal tissues surrounding the roots to recover and the bone remodeling processes to stabilize, ultimately mitigating the likelihood of resorption.

Longer breaks, such as 4-5 months or 6 months, might not provide additional benefits and could unnecessarily prolong the overall treatment time, which may not be ideal for patient care. On the other hand, a shorter break of 1 month might not allow sufficient time for healing and recovery, which is why the 2-3 month window stands out as the optimal choice based on current evidence.

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4-5 months

6 months

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