Abstract
The purpose of our work is to evaluate the correlation between skeletal Class II malocclusion and temporomandibular disorders, by assessing potential different frequency scores compared with Class I and Class III skeletal malocclusion, and to evaluate associated etiological and risk factors. Fifty-five subjects were examined, 35 females and 20 males, with a mean age of 18 ± 1.3 years, divided into two groups: those with TMD and those without TMD, and prevalence was evaluated in the two groups of Class II subjects. Symptoms and more frequent signs were also examined in the TMD group. Regarding Group A (subjects with the presence of TMD), we found that 48% have a Class II, 16% have Class I, and 28% have Class III. In the totality of the group A sample, only 8% were male subjects. In Group B (subjects without TMD), we found that 40% were females, with 26.7% in Class I, 10% in Class II, and 3.3% in Class III; the male subjects in this group (60%) were distributed with 33.3% in Class I, 16.7% in Class II, and 10% in Class III. Class II malocclusion is not a causal factor of TMD but may be considered a predisposing factor.
Highlights
The second skeletal class represents a widespread disdain in the population and a very frequent problem for orthodontists
The factors that can affect the balance of the stomatognathic apparatus and lead to a dysfunctional pathology of the temporomandibular joint can be classified into predisposing, triggering, and perpetuating factors
The purpose of our work is to evaluate the correlation between a skeletal Class II and an articular dysfunction, researching the different frequency compared with the Class I and Class III etiology
Summary
The second skeletal class represents a widespread disdain in the population and a very frequent problem for orthodontists. This disdain is usually diagnosed based on occlusion, the relationship between the first molars, facial esthetics, and joint and chewing function. It is estimated that in patients in the second skeletal class, the position of the condyle in the time pit, in habitual occlusion, can be normal, posterior, or anterior. The evaluation of this position is very important, and an altered position of the condyle can cause joint dysfunction [2]. The factors that can affect the balance of the stomatognathic apparatus and lead to a dysfunctional pathology of the temporomandibular joint can be classified into predisposing, triggering, and perpetuating factors
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