Abstract
Objetive: This study was to compare the effectiveness of arthrocentesis versus the insertion of anterior repositioning splint (ARS) in improving the mandibular range of motion (MRM) for patients with the temporomandibular joint (TMJ) anterior disc displacement with reduction (ADDwR). Methods: 36 patients diagnosed as ADDwR were recruited and divided randomly into two groups. The first group (G1) was treated by arthrocentesis, and the second (G2) was treated using ARS. All patients were reexamined after six months. Results: Except that for protrusive movement, there were significant differences between the two groups for the percentage changes of the MRM as measured by the amount of pain free opening, unassisted opening, maximum assisted opening, right lateral and left lateral movements (p < 0.05). Conclusion: Within the context of the current study, the non-invasive, lower cost ARS, provided better results in improving the MRM when managing ADDwR cases. Keywords Arthrocentesis; Anterior repositioning splint; TMD; Internal derangement; Anterior disc displacement; Mandibular range of motion.
Highlights
A merican Academy of Orofacial Pain, temporomandibular disorder (TMD) can be defined as a collection of disorders linking the masticatory muscles, the temporomandibular joint (TMJ), and the related structures
All patients diagnosed to have unilateral anterior disc displacement with reduction (ADDwR) using Research Diagnostic Criteria for Temporomandibular Disorders clinical protocol Axis I (RDC/TMD: Axis I) and MRI, and who had a minimum of 20 teeth, were asked to participate in the study [10,26]
All subjects were free from having other RDC/TMD Axis I diagnosis, such as ADDwoR, myofascial pain, history of TMJ treatment or surgery, history of jaw or facial trauma, systemic diseases or symptoms of symptomatic disease that possibly affecting masticatory system as rheumatic arthritis and epilepsy
Summary
A merican Academy of Orofacial Pain, temporomandibular disorder (TMD) can be defined as a collection of disorders linking the masticatory muscles, the temporomandibular joint (TMJ), and the related structures. The common TMJ illnesses are associated with pain and intra-articular complaints. Temporomandibular disorders” (TMDs) is a combined term for situations that include pain and /or dysfunction of the temporomandibular joint (TMJ), and the associated structures. 3-10% of men and 8–15% of women presently suffering from TMD [1,2]. The prevalence of TMD was reported to be 40-60 % in epidemiologic studies, and it is more prevelantin females, with a peak incidence at 20 to 40 years of age [3,4]. TMD is one of the most common of orofacial pain. The most common disease entities of TMD include myofascial pain, internal derangement (ID) and degenerative arthritis [5]
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