Abstract
The aim of this study was to investigate the possible relationship between malocclusion and body posture anomalies. The original sample involved 127 children (45 males and 82 females) with mixed dentition. Clinical examination of oral cavity was performed by an orthodontist, who recorded molar and canine relationship, cross-bite, lower middle-line deviation, and centric relation (CR) considering mono or bilateral contacts in CR. Orthopedic examination of the body posture was clinically carried out by an orthopedist who detected anomalies such as scoliosis, false scoliosis or paramorphism, kyphosis and lordosis. Of the 127 subjects of the sample, 18 children were orthopedically normal, 80 patients had false scoliosis, 22 scoliosis and 7 showed kyphosis. In our study, we don’t consider the 7 patients with kyphosis for the exiguity of the sample; so, our analysis was performed on 120 children (42 males and 78 females). The results obtained revealed that the cross-bite was more frequent when scoliosis became worse. We also found that the relationship between left cross-bite and contralateral side of deviation of the curve of the spine in subjects with scoliosis is statistically significant (p = 0.002). Furthermore, the relationship between lower midline and contralateral side of deviation of the curve of the spine in patients with false scoliosis is statistically significant (p = 0.003). In conclusion, it seems that posture anomalies are correlated to cross-bite and mandible abnormal position.
Highlights
Malocclusion and incorrect body posture are two very common issues in growing subjects and especially in patients with mixed dentition, where it is still possible to intervene to modify and correct both conditions
The aim of this study is to search for possible correlations between malocclusions, which could lead to the onset of Temporomandibular Joint (TMJ) disorders [6,7,8,9,10,11,12,13,14] and incorrect body posture
From statistical analysis of the data, we found that the cross-bite was more frequent when scoliosis became worse, and the Pearson chi-square test was significant with a value of 0.003
Summary
Malocclusion and incorrect body posture are two very common issues in growing subjects and especially in patients with mixed dentition, where it is still possible to intervene to modify and correct both conditions. Scoliosis is a three-dimensional disorder of the spine. The fulcrum of this pathology is the torsion of the vertebrae. Idiopathic scoliosis is a complex structural deformity of the spine that is modified on the three planes of space, and is defined as lateral curvature of the spine in the frontal plane greater than 10 degrees with vertebral rotation in the horizontal plane on a standing radiography. It mainly affects young subjects and is four times more frequent in females than in males. Depending on the age of appearance it has been classified into three types: infantile (presenting from birth to 3 years), juvenile (presenting from 3 to 10 years) and adolescent (presenting from 10 years to skeletal maturity) [3,4]
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