Abstract
To investigate the association between oral parafunctions, personality traits, anxiety and signs and symptoms of temporomandibular disorders in the adolescents. Two hundred and seventy adolescents were examined clinically for the signs and symptoms of temporomandibular disorders. Participants completed questionnaires about demographic variables, medical history, symptoms of temporomandibular disorders, parafunctional oral habits, Minnesota Multibasic Personality Inventory, and Spielberger State-Trait Anxiety Inventory. Logistic regression analyses revealed that bruxism was associated with joint tenderness (Odds ratio (OR)=6.38, p < 0.01), joint noises (OR=6.02, p < 0.01) and masticatory muscle tenderness (OR=4.19, p < 0.05) to palpation. State anxiety showed increased risk of joint tenderness (OR=2.47, p < 0.05) and muscle tenderness (OR=3.25, p < 0.05) to palpation. Within the limitations of this study, it was concluded that oral parafunctions, especially bruxism, state anxiety, depression and hysteria were associated with signs and symptoms of temporomandibular disorders in adolescents.
Highlights
It is generally accepted that the temporomandibular disorders (TMDs) are of multifactorial etiology in nature
Within the limitations of this study, it was concluded that oral parafunctions, especially bruxism, state anxiety, depression and hysteria were associated with signs and symptoms of temporomandibular disorders in adolescents
Several epidemiological studies have shown that the signs and symptoms of TMDs are common among adolescents and parafunctional oral habits are often seen in this age group[1,2]
Summary
It is generally accepted that the temporomandibular disorders (TMDs) are of multifactorial etiology in nature. Personality characteristics of patients with TMDs, especially with myofascial pain (MFP), were shown to have higher scores on hypochondriasis, hysteria, and/or depression within the normal range[15,17,18,19,20]. Several epidemiological studies have shown that the signs and symptoms of TMDs are common among adolescents and parafunctional oral habits are often seen in this age group[1,2]. The role of parafunctional activity and mental state as a predisposing factor of TMDs is still contradictory and little is known about their association with signs and symptoms of TMDs in adolescents. The aim of the present study was to investigate the association between oral parafunctions, personality traits, anxiety and signs and symptoms of TMDs in the adolescents
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