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.