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Research Review - OMD/SBD

Title: Orofacial Dysfunction Screening Examinations in Children with Sleep-Disordered Breathing Symptoms


Sleep-disordered breathing (SDB) is a common condition among children that can have significant impacts on their overall health and well-being. One aspect of SDB that often goes unnoticed is orofacial dysfunction, which refers to abnormalities in the structure and function of the mouth and face. Identifying and addressing orofacial dysfunction in children with SDB symptoms is crucial for effective treatment and improved quality of life. In this blog post, we will explore a recent article that discusses the importance of orofacial dysfunction screening examinations in children with SDB symptoms.

Understanding Orofacial Dysfunction:

Orofacial dysfunction encompasses a range of issues, including mouth breathing, tongue thrusting, abnormal swallowing patterns, and malocclusion (misalignment of the teeth). These dysfunctions can contribute to the development and progression of SDB in children. Mouth breathing, for example, can lead to a narrow upper airway, which increases the risk of airway obstruction during sleep. Identifying and addressing orofacial dysfunction can help alleviate SDB symptoms and improve the child's overall health.

The Study:

The article highlights a study conducted by Dao Anh Hoang, Van Nhat Thang Le, Tam Minh Nguyen, and Triin Jagomägi, which aimed to evaluate the prevalence of orofacial dysfunction in children with SDB symptoms. The researchers conducted orofacial examinations on a group of children diagnosed with SDB and compared the results with a control group of healthy children. The study utilized various assessment tools, including questionnaires, clinical examinations, and dental records.

Key Findings:

The study revealed a significantly higher prevalence of orofacial dysfunction in children with SDB symptoms compared to the control group. The most common dysfunctions observed were mouth breathing, tongue thrusting, and malocclusion. These findings emphasize the importance of early detection and intervention to address orofacial dysfunction in children with SDB symptoms.

Implications for Treatment:

Identifying orofacial dysfunction in children with SDB symptoms is crucial for developing an effective treatment plan. The article suggests that a multidisciplinary approach involving dentists, orthodontists, and sleep specialists is necessary to address both the orofacial dysfunction and the underlying SDB. Treatment options may include orthodontic interventions, myofunctional therapy, and continuous positive airway pressure (CPAP) therapy.


Orofacial dysfunction screening examinations play a vital role in the management of children with SDB symptoms. Identifying and addressing these dysfunctions can significantly improve the effectiveness of treatment and enhance the child's quality of life. Early detection and intervention are key to preventing the progression of orofacial dysfunction and its associated complications. Further research in this field is necessary to develop standardized screening protocols and treatment guidelines for children with SDB symptoms.


Hoang, D. A., Le, V. N. T., Nguyen, T. M., & Jagomägi, T. (2021). Orofacial dysfunction screening examinations in children with sleep-disordered breathing symptoms. Sleep Medicine, 82, 1-6.

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