Abstract
BackgroundThe aim of this study was to assess the Temporomandibular joint changes as a consequence of varying degrees of restricted mouth opening in Oral Submucous Fibrosis patients.Material and MethodsThe study Population was divided into 2 groups namely Group C- 40 TMJ’s of 20 age and gender matched healthy controls and Group P- 40 TMJ’s of 20 OSMF patients who were further subdivided into Group II,III,IV based on their restriction in mouth opening. MRI of bilateral TMJ was obtained in closed mouth position. Disc thickness, disc length, joint space and condylar changes were assessed. The collected data was subjected to statistical analysis.ResultsDisc thickness, disc length and joint space was significantly reduced in Group III and Group IV OSMF patients when compared to controls (P<0.05). Condylar flattening was seen in Group III (56.3%) and Group IV (50%) OSMF patients. One joint (2.5%) in Group IV had condylar flattening with erosion whereas no joints in Group II OSMF and controls had condylar flattening and erosion (P<0.05).ConclusionsThus the present study has revealed statistically highly significant changes in the components of Temporomandibular joint in OSMF patients with varying degrees of restriction in mouth opening when compared to controls. Also the severity of the changes increases with increase in severity of the disease, which was found to be statistically highly significant. Key words:Oral submucous fibrosis, temporomandibular joint, magnetic resonance imaging.
Highlights
Human beings have the capacity to produce a variety of movements that require the structures of the human body to both generate and respond to forces that produce and control movement at the body’s joints
The objectives of the study were to assess and compare the MRI findings of temporomandibular joint in Oral Submucous Fibrosis (OSMF) patients with restricted mouth opening with that of healthy controls and to find out if there any correlation exists between the restriction in mouth opening and changes in various components of TMJ
The present study consisted of 40 TMJs of 20 healthy controls and 40 TMJs of 20 OSMF patients
Summary
Human beings have the capacity to produce a variety of movements that require the structures of the human body to both generate and respond to forces that produce and control movement at the body’s joints. Keeping in mind the various degrees of immobilization of the temporomandibular joint and lack of functional stimulation to the TMJ, this study was tailored to assess the temporomandibular Joint changes in Oral submucous Fibrosis patients by Magnetic Resonance Imaging. The objectives of the study were to assess and compare the MRI findings of temporomandibular joint in OSMF patients with restricted mouth opening with that of healthy controls and to find out if there any correlation exists between the restriction in mouth opening and changes in various components of TMJ. The aim of this study was to assess the Temporomandibular joint changes as a consequence of varying degrees of restricted mouth opening in Oral Submucous Fibrosis patients. Conclusion: the present study has revealed statistically highly significant changes in the components of Temporomandibular joint in OSMF patients with varying degrees of restriction in mouth opening when compared to controls. The severity of the changes increases with increase in severity of the disease, which was found to be statistically highly significant
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