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The research aims to identify predictors that correlate with successful mandibular manipulation therapy in anterior disc displacement without reduction.

April 17, 2026Journal of Oral Rehabilitation0 citations

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Clinical and MRI Predictors of Successful Mandibular Manipulation Therapy in Anterior Disc Displacement Without Reduction

CLCheng‐Ge LiuPeking University WMWei-yu MaoPeking University JDJie DengPeking University

Key Points

The research aims to identify predictors that correlate with successful mandibular manipulation therapy in anterior disc displacement without reduction.
Analyzed clinical and MRI data of patients with anterior disc displacement without reduction.
Measured disease duration of jaw lock, disc length, and intersection angle β.
Determined cut-off values for successful disc reduction.
Found that shorter jaw lock duration (≤2.75 months) predicts higher success rates.
Milder disc deformation and length (≤8.39 mm) also correlate with positive outcomes.
An intersection angle β of 96.7° serves as a critical cut-off for treatment success.

Abstract

Shorter duration of jaw lock, milder disc deformation, and less severe disc displacement indicate higher success rates of disc reduction using MM. The established cut-off values were 2.75 months for disease duration of jaw lock, 8.39 mm for disc length and 96.7° for the intersection angle β. Future development of a multivariate prediction model may help optimize clinical management strategies for ADDwoR.

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Clinical and MRI Predictors of Successful Mandibular Manipulation Therapy in Anterior Disc Displacement Without Reduction

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