Abstract
Malocclusion, the body posture, and the breathing pattern may correlate, but this issue is still controversial. The aim of the study was to examine the relationship between the type of malocclusion, the body posture, and the nasopharyngeal obstruction in 12-14-year-old children. The study group consisted of 76 orthodontic patients (35 boys, 41 girls) aged 12-14 years (mean age, 12.79 years [SD, 0.98]). All the patients were examined by the same orthodontist (study model and cephalometric radiograph analysis), the same orthopedic surgeon (body posture examined from the front, the side, and the back), and the same otorhinolaryngologist (anterior and posterior rhinoscopy and pharyngoscopy) in a blind manner. The prevalence of a poor body posture and a nasopharyngeal pathology was high in the present study. In total, 48.7% of the orthodontic patients had a kyphotic posture and 55.3% a rib hump in the thoracic region. The nasopharyngeal pathology was diagnosed in 78.9% of the patients. The patients with the kyphotic posture had a higher mandibular plane angle (MP-SN) and a lower sagittal position of the mandible SNB angle. A deeper overbite correlated with shoulder and scapular asymmetry. The kyphotic posture was diagnosed in 55.0% of the patients with the nasopharyngeal pathology. The sagittal body posture was related to the vertical craniofacial parameters and hypertrophy of the tonsils and/or the adenoids. The study showed no relationship between the degree of crowding, the presence of a posterior cross bite, orthopedic parameters, and a breathing pattern.
Highlights
The posture of the human body is the result of many types of inputs of sensory information arising from the visual, the vestibular, and the proprioceptive systems, integrated in the complex regulatory system
The evaluation of the relationship between the nasopharyngeal pathology and the sagittal orthopedic pathology showed that thoracic kyphosis was more common among the patients with the nasopharyngeal pathology
The prevalence of the poor body posture and the nasopharyngeal pathology was very high in the present study
Summary
The posture of the human body is the result of many types of inputs of sensory information arising from the visual, the vestibular, and the proprioceptive systems, integrated in the complex regulatory system. A poor body posture is primarily a muscular problem. It depends on the body build, general health, sex, psychological state, strength and endurance, demands of the work place, and social as well as cultural traditions. The HGGJ HGKLMJ= AK EGKLDQ AFεM=F;=< :Q L@= EMK;MD9J problem; children who have no sport activities have 9KA?FAδ;9FLDQ@A?@=JHJG:9:ADALQG>L@=HGGJHGKLMJ= than children performing sports [1, 2]. Changes of GMJEGDA>=AFεM=F;=GMJ:G
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