Risks of Orthodontic Treatment
Dec 15, 2021
Source: Cainiu Health
Dr. Fu Gang
Introduction
1. Tooth loosening: Under normal circumstances, each tooth exhibits a certain degree of physiological mobility to absorb masticatory forces and prevent dental trauma.
2. Effects on the tooth roots: During orthodontic treatment, root surfaces undergo remodeling activities—including both resorption and deposition.
3. Effects on alveolar bone height: Provided good oral hygiene is maintained, the alveolar bone height will gradually return to normal.
In daily life, some individuals prefer eating hard foods, which may lead to tooth loosening or tooth nerve pain. In such cases, the first step is to consult a dentist. Others, dissatisfied with the appearance of their teeth, seek orthodontic treatment purely for aesthetic reasons. However, after undergoing orthodontic correction, not only may their smile fail to improve—but a series of complications may arise instead. So, what are the potential risks associated with orthodontic treatment? Below, we address this question.
Potential Risks of Orthodontic Treatment
1. Increased Tooth Mobility
Under normal physiological conditions, each tooth exhibits slight natural mobility, which helps absorb chewing forces and prevents dental trauma. During orthodontic treatment, increased tooth mobility is a common and expected response. Tooth movement requires remodeling of both the alveolar bone and the periodontal ligament—since teeth are anchored within the alveolar bone by the periodontal ligament, temporary loosening occurs. Once teeth reach their intended positions and movement ceases, the periodontal ligament naturally reattaches through the body’s inherent regenerative capacity, restoring stability without causing permanent damage.
2. Effects on Tooth Roots
This is a relatively common risk associated with orthodontic treatment. During tooth movement, root surfaces undergo dynamic remodeling—including both resorption and deposition. Following treatment completion, roots typically recover fully via natural reparative processes. However, excessive or inappropriate orthodontic force may increase the risk of root resorption.
3. Effects on Alveolar Bone Height
This represents a more subtle, long-term risk. Patients undergoing orthodontic treatment often experience a slight reduction in alveolar bone height. This occurs partly because orthodontic appliances can make oral hygiene maintenance more challenging, thereby increasing susceptibility to gingivitis—which, in turn, may affect alveolar bone integrity. Importantly, once orthodontic treatment concludes, further alveolar bone resorption halts. With diligent oral hygiene practices, the alveolar bone gradually returns to its normal state.
4. Effects on the Dental Pulp
During the early phase of orthodontic treatment, mild and transient inflammatory changes may occur within the dental pulp. Patients commonly report mild pain or discomfort during the first few days following force application. However, experimental evidence confirms that this reaction is clinically insignificant. Understanding these potential risks helps foster a realistic and informed perspective on orthodontic treatment. Moreover, awareness of these risks underscores the importance of seeking care from qualified, reputable dental professionals—ensuring both safety and optimal outcomes.
The above outlines the potential risks associated with orthodontic treatment. We hope this information proves helpful to you.
