Rugilė Nedzinskaitė, Ieva Perednytė


Aim and objectives: the aim of this work is to investigate prevalence of subjective and objective factors in patients with TMJ disorders.

Material and methods: this investigation is a part of a prospective study which was started in autumn of 2018. The investigation was performed in Hospital of Lithu­anian University of Health Sciences Kaunas Clinics in the Department of Maxillofacial surgery and in the De­partment of Orthodontics. Investigation comprised of three parts – extraoral and intraoral investigation and two questionnaires about the patient’s symptoms and health. There were 14 questions in patient’s symptoms ques­tionnaire about self-reported pain. In the questionnaire about health there were 9 questions about stress which was felt by the patient. Statistical analysis was performed using “Microsoft Office Excel” and “IBM SPSS Statis­tics 25” software programs. To determine the statistical relationship between independent variables t-test and χ2 test were used.

Results: from October 4th, 2019 to February 4th, 2020 72 subjects were reffered to the Department of Maxillofacial surgery, Hospital of Lithuanian University of Health Sci­ences Kaunas Clinics. 50 eligble subjects were included into this research. Other data of additional 50 subjects was taken from the available earlier database. 80% of the subjects were female and 20% were male. 49% of the subjects were younger than 30 years old. 86,60% of included subjects suffered from pain in the temporo­mandibular joint area, in 2/3 of them pain was chronic. 97% of the subjects were diagnosed with TMJ disorders, for 49,98% of them had disc dislocation with reduction was diagnosed and for 50,52% – disc dislocation without reduction. All patients experienced stress. For 82,47% of them stress did not have an effect or had only a small effect on their daily life, for 17,53% stress affected their daily life a lot. The most common malocclusion for all types of TMJ disorders was Angle class II malocclusion.

Conclusions: there was a wide range of subjective and objective factors in patients with TMJ disorders. Angle class II malocclusion was the most common in all TMJ disorders.

Keyword(s): temporomandibular joint disorders, orofacial pain, stress, malocclusion.

DOI: 10.35988/sm-hs.2022.008
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