A 17-year-old boy presented with a complaint of a progressive difficulty and deviation while opening the mouth. On examination, a slight facial deformity was observed at the zygomatic area while opening the mouth to the maximum. Medical history Two years ago, he had a facial trauma and was referred for a progressive development of a mandibular deviation while opening the mouth. Examination Mandibular range of motion : Active mouth opening: 60 mm Passive opening: 62 mm Right lateral movement: 11 mm Left lateral movement: 13 mm Protrusion: 6 mm.
No masticatory muscle pain/ temporomandibular joint pain/ facial pain- Spontaneous and at palpation Clicking noise was present during all mandibular movements. A small bump in the right malar zone was observed. Intraoral examination : Angle class I occlusion Overall body hyperlaxity with a Beighton index of 9 No facial or trigeminal nerve…
