The goal of this clinical trial is to investigate the possible role of levonorgestrel intrauterine system use(LIU) in the pathogenesis of temporomandibular joint disorder (TMD). In this clinical trial, levonorgestrel intrauterine system patients (n=30) aged 25-50 and control group patients (n=30) with the same demographics and age range are used. The main questions it aims to answer are:
To compare the frequency of temporomandibular dysfunction in women using the levonorgestrel intrauterine system with the control group of the same demographic and age range.
The levonorgestrel intrauterine system use group consisted of 50 women who had previously a mirena implanted by a gynecologist at least 3 months ago due to menstrual bleeding and pelvic pain.
The control group included 50 randomised healthy women who had regular menstrual cycles and were not taking any medication.
Being a woman
Having used an intrauterine device for at least 3 months
Being between the ages of 18-50
Being in American Society of Anesthesiologists-1 and American Society of Anesthesiologists-2 systemic status
Patients with craniofacial syndrome
Patients with a history of head and neck trauma
Isolated muscle tenderness or previous surgery on TMJ
Patients with rheumatological disorders
Parallel
Examination of temporomandibular joint and masticator muscles
Diagnostic testThe TMJ and the masticatory muscles were evaluated by the same clinician. Patients described symptoms such as preauricular pain, limited mouth opening, deviation or deflection during mouth opening, and joint sounds. All patients were assessed using Okeson's Muscle and temporomandibular joint examination and treatment outcome form. This form records (for both TMJ) tenderness and pain in the masseter, temporalis, lateral pterygoid, medial pterygoid, sternocleidomastoid, trapezius, splenius capitis, and digastric muscles, as well as maximum interincisal distance, restriction of laterotrusion and protrusive movements, joint sounds, deviation or deflection during mouth opening, and the visual analogue score (VAS) for pain in the TMJ.
Evaluation of temporomandibular joint disorder and masticator muscle pain
To measure whether there is any difference in the incidence of temporomandibular joint disorders and masticator muscle pain between two groups.
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