Orofacial Myofunctional Disorder Among Asthmatic Children

Orofacial Myofunctional Disorders

Orofacial myofunctional disorders, Bronchial Asthma, OMD

This study aims to evaluate orofacial myofunctional disorders among a group of children with bronchial asthma.

Scientific Background (Statement of the problem): Bronchial Asthma is a growing prevalent health problem among pediatric patients. The prevalence of Bronchial Asthma among children and adolescence in Cairo, Egypt was 9.4%. It is a chronic inflammatory disease that affects the lungs characterized by bronchial hyperactivity causing reversible airway obstruction and inflammation, and increased airway receptivity to stimuli. Bronchial Asthma classification, historically, depended on the severity of symptoms, but recently Bronchial Asthma was classified according to levels of control: controlled, partly controlled, or uncontrolled. That recent classification considers not only the disease's severity but also the responsiveness to medications. As a result of inflammatory response and airway obstruction, difficulty in breathing may cause discomfort to the patients. So oral breathing become an alternative to nasal breathing. This change in the way of breathing can affect craniofacial growth which in sequence affects facial muscles. The most characteristic features of mouth breathing are a long face, flat nose with narrow nostrils, hypotonic orofacial muscles, and open or semi-open mouth. Early diagnosis of mouth breathing can prevent the development of these features. The stomatognathic system is a functional complex with a highly adaptable complex of bones, muscles, joints, teeth, lips, tongue, cheeks, glands, arteries, veins, and nerves that act harmoniously. So, any change in this harmony causes imbalance and alteration in the function which is called Orofacial Myofunctional Disorders. Orofacial Myofunctional Disorders are multifactorial conditions common in many genetic and congenital disorders. As well it can be acquired as a result of mouth breathing, deviate swallowing, TMD, trauma, tongue thrusting, sucking, or chewing habits past the age of 3. Orofacial Myofunctional can be severely disabling as it affects chewing, swallowing, speech, facial expression, appearance and in conclusion affects oral health-related quality of life in children (OHRQoL). Symptoms of Orofacial Myofunctional Disorders may include facial asymmetry, mouth breathing, tongue thrusting, impaired speech, malocclusion, improper jaw growth, facial pain, drooling, dry mouth and sleeping disorder. Nordic Orofacial Test- screening (NOT-S) is a comprehensive screening instrument for the assessment of orofacial dysfunction. Nordic Orofacial Test- screening was first reported at the Second Nordic Conference on Orofacial Therapy in Gothenburg in 2002. Nordic Orofacial Test- screening has good reliability and gives a rough discrimination between normal orofacial function and various degrees of orofacial disability. Oral Health-Related Quality of Life in children (OHRQoL) is determined by social interactions, including speech, emotional communication, facial expression, and appearance. It can be measured by Child Perceptions Questionnaire (CPQ8-10). This study aims to evaluate orofacial myofunctional disorders among a group of children with Bronchial Asthms Review of Literature: Bronchial Asthma is a chronic inflammatory disease that targets millions of children and adolescence on an international scale. In 2006 was reported that the prevalence of Bronchial Asthma was 9.4% among school children and adolescence in Cairo, Egypt. According to the World Health Organization WHO, in 2005, the cost of asthma medication exceeded the cost of AIDS. In 2022, The recent Global Asthma Study (GAN) phase reported that worldwide prevalence of asthma among children reached 11% at age 6-7 years and 9.1 at age 13-14 years. Bronchial asthma is a lower respiratory tract infection that causes narrowing in bronchial tubes and airway obstruction. It was founded that as a result to airway obstruction, asthmatic patients choose oral breathing as an alternative to nasal breathing. An association was found between asthma onset and Orofacial Myofunctional Disorders observed in adults. In this study the authors reported that Orofacial Myofunctional Disorders are often observed in asthmatic patients that got affected by the disease before the age of 14. It was also reported that Orofacial Myofunctional Disorders and Malocclusion were found more among asthmatic children and adolescence when compared to healthy children. These children showed inadequate positioning of the jaw and during swallowing of water, tension in the facial muscles was reported Then it was verified that Orofacial Myofunctional Disorders were statistically higher in the asthma group. The highest facial disfunctions had been found were chewing and swallowing food with certain consistency and long mealtime more than 30 minutes. These results affected the Oral Health Quality of Life for the asthmatic patients.

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